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GE B22 User's Manual

1. STANDARD MEASURMENT UNITS METRIC IN PARENTHESES 50411 Figure 10 5GEB22 Drive End DE Bearing Assembly 5 3 INSPECTION AND REPAIR PROCEDURES 5 3 1 Rotor Shaft Inspection Check dimensions as shown in Figure 16 located in section 6 3 1 Rotor Shaft Inspection Data in this publication 5 3 2 Stator Coils and Bus Rings Connection Inspection Inspect the stator coils and bus rings as follows 1 Examine the bus rings for damaged or loose connections 2 Observe the condition of the coil insulation and varnish Evidence of burned or charred insulation or varnish may indicate an overheating condition from a defective connection or defective coils 25 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 5 3 2 1 Repairing Stator Coils to Bus Ring Connection Cleaning and Breaking the Connection The connection of the stator coils to the bus ring can be repaired when the connection shows signs of overheat ing The connections are exposed by cutting and stripping the insulation around the connection requiring the use of a hammer knife chisel screwdriver pry bar and slip joint pliers To expose the connections for repair NOTE Read this entire procedure first to become familiar with these steps 1 2 Position the stator frame to obtain the best working position for the connections to be cleaned Remove any mounting hardware bolts
2. ROTOR LOCK FOR SHIPMENT GROUNDING STUD E 50414 Figure 2 5GEB22 Drilling Motor Without Cooling Blower or Connection Box 1 4 INSTALLATION AND OPERATIONAL INSTRUCTIONS WARNING Installation shall be in accordance with the instruction as defined in EN 60079 14 2008 Electrical apparatus for explosive gas atmospheres Part14 Electrical installation in hazardous areas other than mines Guard for couplings belts or chains should be installed as needed to protect against accidental contact with moving parts Machines accessible to the public should be further guarded by screens guard rails etc to prevent the public from coming in contact with the equipment Failure to observe these precautions may result in injury or death 1 This machine is suitable for operation in typical oil well drilling industry rig environments including offshore platforms and mobile drilling units Use the motor in the correct ATEX category only as indicated in Figure 3 For other types of applications and environments please conta
3. MEASUREMENT IN INCHES MILLIMETERS IN PARENTHESES 9 Figure 30 Clamp 6733346P6 Item 10 Table 12 60 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 0 562 14 275 DRILL THROUGH 3 HOLES EQUALLY SPACES ON 5 80 BOLT CIRCLE lt e to 29 Kel La k N 2 8 THREAD 0 75 19 05 BLANCHARD GRIND BOTH SIDES MAKE FROM B4A8A STEEL 250 FINISH ALL SURFACES REMOVE ALL SHARP EDGES MEASUREMENT IN INCHES MILLIMETERS IN PARENTHESES 50421 Figure 31 Clamp Plate Item 15 Table 12 6 4 3 Other Special Tools and Materials 6 4 3 1 DE Hub Removal Tool Assembly The Table 13 describes the components that make up the 41B535703G1 Hub Removal Tool Assembly The fig ures in this section depict the assembly and significant components TABLE 13 HUB REMOVAL TOOL 41B535703G1 ITEM PART NUMBER DESCRIPTION QUANTITY FIGURE REFERENCE 8843947P20 MANUAL HYDRAULIC PUMP 10000 PS 1 8864170P1 HYDRAULIC FITTING ADAPTER Figure 34 41B535119G1 BACKING PLATE Figure 33 41A230939P14 FELT RING 0 125 THICK X3 9 1D X5 5 00 1 fi 61 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 41B535703G1 HUB REMOVAL TOOL ASSEMBLY EM 1 8843947P20 MANUAL HYDRAULIC PUMP 8864170P1 HYDRAULIC FITTING ADAPTER 41B535119G1 BACKING PLATE 41A230939P14 FELT N22P39040 BOLT 1 8X2 5 Figure 32 41B535703G1 Hub Removal Tool Assembly 62 GEK 91696D 1150 HP AC Drilling Motor Mod
4. NOTE Numbers in parenthesis refer to item numbers in Figure 15 located in section 6 2 DRILL MOTOR COMPONENT IDENTIFICATION of this publication unless otherwise noted WARNING The CE frame head weighs approximately 220 Ibs 100 kg Use appropriate lifting devices for this weith Failure to do so may result in injury or death To assemble the connection end frame head 27 align the frame head on the motor frame Install and hand tighten the eight bolts and hardened flat washers 28 holding the frame head 27 to the motor frame 21 Then torque the bolts evenly in a diametrically opposite sequence to 468 28 Ib ft 634 38 Nm 5 6 3 Connection End CE Bearing Assembly To assemble the CE bearing onto the 5GEB22 rotor NOTE Numbers in parenthesis refer to item numbers in Figure 15 located in section 6 2 DRILL MOTOR COMPONENT IDENTIFICATION of this publication unless otherwise noted WARNING When using compressed air loosened debris may make the surrounding area dangerous for per sonnel Ensure all personnel are clear and wear appropriate safety equipment Follow all local regulations and procedures for compressed air use Failure to do may result in injury or death 1 2 Using clean dry compressed air blow debris from CE bearing mounting area on the rotor shaft 5 Inspect all CE bearing assembly components to ensure parts are clean and free of damage or burrs The rotor assembly must be in
5. CHAM FINISH MACHINE AS SHOWN 0 375 9 525 0 375 9 525 REMOVE ALL SHARP EDGES MEASUREMENT IN INCHES MILLIMETERS IN PARENTHESES E 50423 Figure 28 Clamp 6734765P2 Item 8 Table 12 58 0 5 1 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 0 0625 1 5875 0 5 13 TAP THRU 45 CHAM BOTH SIDES F 0 5 12 7 n 0 000 12 5 317 5 DIA Q o o o 70 o o N o vet 280 1920 0 3962 1 0 25 4 CLAMPING RI LOCKING BOLT IXLINCH BLANCHARD GRIND BOTH SIDES MAKE F 250 FI ROM STEEL ISH ALL SURFACES REMOVE ALL SHARP EDGES MEASU REMENT IN INCHES MILLI ETERS IN PARENTHESES E 50425 Figure 29 Ring 6727110G1 Item 9 Table 12 59 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 0 0625 1 5875 45 CHAM BOTH SIDES 2 25 57 15 usd 0 0125 3 175 SAW CUT I 9 00 228 60 DIA gt 0 2187 0 000 0 0156 5 5550 0 000 0 3962 8 480 0 005 0 000 DIA 215 392 0 127 0 000 11 000 0 000 0 016 DIA 279 400 0 00 0 406 NNNNNNNNSS nome THREADED HOLES SHOWN 0 625 11 THREADED THRU ON CENTER FOR CLARITY 0 062 1 575 COUNTERSINK 4 HOLES AS SHOWN ON 10 0 254 0 B C MAKE FROM B5Y8A STEEL OR B50E124A STEEL 250 FINISH ALL SURFACES MAKES TWO 6733346P2 PARTS 0 25 6 35 45 CHAM M l FINISH MACHINE AS SHOWN REMOVE ALL SHARP EDGES
6. from the oven and immediately slide the assembly onto the CE end of the rotor shaft Press the assembly tightly against the shaft shoulder Secure the assembly in position until cool 10 Securing the CE bearing assembly on the rotor shaft 5 depends on the 5GEB22 model Select the appro priate process for the 5GEB22 model a For 5GEB22 models manufactured prior to September 2001 the CE bearing assembly is secured on the rotor shaft with a bearing retaining nut 33 Refer to Figure 8 for grease application during assembly process To secure the bearing assembly on the rotor shaft thread the nut into the tapped end of the rotor shaft until hand tight Insert a spanner wrench tool number 9945228 into the holes on the outside flat of the bearing nut Using a brass sledgehammer strike two or three sharp blows driving the nut clockwise approximately one quarter turn from hand tightened Thread the two locking set screws 40 into the bearing retaining nut 33 and torque the set screws to 40 2 Ib ft 54 3 Nm Using a heavy center punch stake or peen each set screw in two places to prevent loosing b For 5GEB22 models manufactured after September 2001 the CE bearing assembly is secured on the rotor shaft with a bearing clamp 41 Refer to Figure 9 for grease applications during assembly process To secure the bearing assembly on the rotor shaft Inspect the rotor shaft bore 5 and clamp 41 to ensure the components are free of damage
7. mm 0 001 0 0254 Rotor drive end bearing grease lubrication capacity ounce gram 32 5 921 37 Rotor connection end bearing grease lubrication capacity ounce gram 10 25 29 06 Bearing lubricant for additional information refer to section 6 1 3 Drill Motor GE Spec D6A2C10 Lubricant D6A2C10 Data in this publication Rotor balance each end gram inches 44 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 6 1 3 Drill Motor Lubricant D6A2C10 Data D6A2C10 grease is a lithium soap base grease with added antioxidant It contains an oil of heavy viscosity and is especially suitable for high speed high temperature open or shielded bearings in drilling motors D6A2C10 grease specifications are listed in Table 10 TABLE 10 5GEB22 LUBRICANT DATA Free Alkali Percent Max Free Acid Percent Max Base with Antioxidant Approved Vender 45 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 6 2 DRILL MOTOR COMPONENT IDENTIFICATION VIEW OF PRODUCTION AFTER SEPTEMBER 2001 NOTE ALL PARTS SAME EXCEPT THOSE SHOWN DESCRIPTION DESCRIPTION 2 5 D E SHAFT COLLAR TATOR CORE FLINGER 23 ROTOR CORE ROLLER BEARING
8. run the jam nuts down to the bearing cap and tighten 4 Secure the bag containing the two removed bearing cap bolts and washers to the rotor locking bolts as shown in Figure 2 5 After motor shipment the rotor locking bolts must be removed prior to the motor going into service To remove the rotor locking bolts a Back the jam nuts away from the bearing cap Remove the bearing cap bolts from the attached bag on the rotor locking bolts Thread the bearing cap bolts and washers into the bearing cap holes Torque the bearing cap bolts to 115 15 lb ft 156 20 3 Nm Place the removed rotor locking bolts and jam nuts into the bag and store for future motor ship ment 0 625 11 X 4 54 IN YELLOW HEAD LOCK BOLT TORQUE TO 30 LB FT 40 7 NM RUN LOCK NUT DOWN AND TIGHTEN WRAP BAG TIES TO LOCK BOLT AFTER TORQUE E 50416 Figure 6 Rotor Lock Bolts 17 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 5 1 2 Motor Packaging for Shipment After locking the rotor for shipment the motor should be securely packaged to avoid damage during shipment To package the motor for shipment 1 Prepare wood stock of sufficient length to skid the motor as shown in Figure 7 The yellow pine wood stock must be able to support the approximate 5700 Ibs 2585 kg weight of the motor not including the blower and
9. 24 BUS RING SUPPORT SLEEVE 25 TAP BLOCK ROTOR SHAFT 26 BUS RINGS PIPE PLUG 27 C E FRAME HEAD BEARING CAP OUTER 28 BOLT AND HARD WASHER BOLT AND HARD WASHER 29 BUS RING CLAMPS GASKET 30 BOLT AND INSULATING SLEEVE BOLT AND HARD WASHER 31 BOLT AND HARD WASHER D E FRAME HEAD 32 C E BEARING CAP BEARING CAP INNER 33 BEARING RETAINING NUT STATOR AIR BAFFLE 34 ROLLER BEARING FELT AIR DAM 35 C E BEARING HOUSING TIE RING 36 COLLAR ROTOR LOCKING STATOR COIL 37 SHAFT NUT ROTOR END RING 38 SHAFT WASHER BALANCE WEIGHT 39 GASKET ROTOR BAR 40 SET SCREW ROTOR CAGE STOP RING 41 BEARING CLAMP STATOR FRAME 42 BOLT AND HARD WASHER W lO IN O U IW IP Figure 15 5GEB22 Drill Motor Component Identification 46 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 6 3 INSPECTION DATA 6 3 1 Rotor Shaft Inspection Data DRIVE END CONNECTION END 5 7537 0 0000 0 0008 4 600 0 000 0 001 146 1390 0 0000 0 03032 116 8400 0 000 0 0254 5 9077 0 0000 0 0008 BRG FIT 4 481 0 000 0 003 150 0560 0 0000 0 02032 113 8170 0 000 0 0762 6 0335 0 0000 0 0011 3 9389 0 0000 0 0007 BRG FIT 153 2510 0 0000 0 0294 100 04800 0 00000 0 01778 MEASUREMENT IN INCHES MILLIMETERS IN PARENTHESES E 50417 Figure 16 Rotor Shaft Dimensional Checks 6 4 SPECIAL TOOLS AND MATERIALS The following section det
10. 35 Do not thread the guide studs into the rotor locking ring 36 The studs must move freely to align with the CE frame head 27 mounted on the stator frame 21 Screw a 1 in 8 X 2 62 steel lifting eyebolt GE Tool N672P39 into the threaded hole in the Drive End DE of the rotor shoft WARNING The partial rotor assembly weighs approximately 1887 Ibs 856 kg Use appropriate lifting devices for this weight Failure to do so may result in injury or death CAUTION Exercise extreme care when turning the rotor from the horizontal position to avoid damage to the core and the bearing and frame head fits A suitable turning fixture or two hoists should be used to position the rotor vertically 8 10 11 Carefully lift the rotor assembly from the horizontal position attaching a hoist hook to the lifting eye Align the hoist cable with the center line of the stator frame 21 and slowly lower the rotor into the motor frame guiding the long studs through the appropriate connection end frame head 31 holes Install and hand tighten the eight bolts and hardened flat washers 10 holding the DE frame head 11 to the stator frame 21 If the DE frame head 11 does not seat into the frame fit then tighten the bolts evenly in a diametrically opposite sequence until the DE frame head is mated to the stator frame Following the same diametrically opposite sequence torque the bolts to the value of 472 24 Ib ft 640 32 N
11. C 99 86 F TABLE 3 5GEB22 DUTY CYCLES Duty Reference Specification 120 seconds on at 800 rpm 1400 HP 9200 Ib ft torque followed by 90 seconds on at 80 rpm no load S9 duty 144 seconds on at 669 rpm 1150 HP 9025 Ib ft torque followed by 116 seconds on at 80 rpm no load S9 duty C 32 seconds on at 800 rpm 1400 HP 9200 ft Ib torque followed by 30 seconds on at 800 rpm no load S9 duty 1 4 5 Drive Systems Used with the 5GEB22 The 5GEB22 motor shall be used with one of the drives indicated in Table 4 or as listed in the ATEX certification The drive outputs shall be limited to 1800 amps maximum MANUFACTURE GE National Oilwell Varco Offshore amp Marine ASA TABLE 4 DRIVE SYSTEM LIST Ta Ross Hill Model 6000 Ross Hill Model ABB ACS800 manufactured by NOV ABB ACS600 manufactured by ABB BB Com Com Com Com pact AC Drive P1030 with pact AC Drive P1180 with pact AC Drive P1300 with pact AC Drive P1500 with Omron Siemens or with or with or with or with GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 out a sm out a sm out a sm out a sm ooth ooth ooth ooth ing fi ing fi ing fi ing fi ABB ACS800 manufactured by ABB ter ter ter ter GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 SIEMENS DRIVE IDENTIFICATION 6SE7041 RATED CURRENT INDICATOR 0 1000A
12. FOR ASSEMBLING FRAMEHEAD BOLTS IN INNER BEARING CAP BEARING PILOT USED TO GUIDE FRAMEHEAD WITH OUTER RACE AND ROLLERS OVER THE INNER RACE E 50559 Figure 11 DE Bearing pilot and Guide Studs Installed 34 5 7 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 BEARING PLOT Te p t b NM GUIDE STUD NN A s E 50560 Figure 12 DE Frame Head Installed Over DE Bearing on Rotor Shaft ROTOR INSTALLATION INTO THE STATOR FRAME NOTE Numbers in parenthesis refer to item numbers in Figure 15 located in section 6 2 DRILL MOTOR COMPONENT IDENTIFICATION of this publication unless otherwise noted The rotor assembly is installed by lowering the rotor into the vertical stator frame The rotor assembly consists of the CE bearing with inner bearing cap 35 the rotor shaft 5 and core 23 the DE frame head 11 and the DE bearing assembly 3 with the DE dummy bearing cap To install the rotor assembly into the stator frame 1 TheCE frame head 27 must be mounted on the stator frame 21 prior to rotor installation If the CE frame head is not installed install the CE frame head as follows a Ensure the stator frame 21 CE frame head fit is free of damage and burrs b Ensure the CE frame head 27 stator frame fit is free of damage and burrs c Align the CE frame head 27 on the stator frame 21 so that the largest gap on the CE frame head bearing cap mounting holes is toward the stator frame
13. Figure 19 DE Bearing Inner Race Removal Tool Assembly 6751547G5 50 E 50427 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 ITEM PARTNUMBER DESCRIPTION QNTY 1 6733347G1 CLAMP PLATE 2 8806566P1 BOLT 3 8806567P1 PRESS CAP 7 1 N203P33 NUT 0 625 11 3 6717243P1 STUD 0 625 11x16 75 E 50428 Figure 20 DE Inner Bearing Cap Removal Too Assembly 6751547G6 51 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 PART NUMBER DESCRIPTION QNTY 1 6733347G1 CLAMP PLATE 8806566P1 BOLT 8806567P1 PRESS CAP N203P33 NUT 0 625 11 6727110G1 RING 6733346P6 CLAMP 6717243P1 STUD 0 625 11x16 75 E 50429 8806566P1 BOLT 8806567P1 PRESS CAP UNASSIGNED CLAMP PLATE UNASSIGNED STUD 0 5 13X8 75 UNASSIGNED NUT 0 5 13 E 50419 Figure 22 CE Inboard Rotor Lock Sleeve Removal Tool Assemblv 6751547GX 52 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 6 4 2 Individual Components of Tool Assemblies The following list of components in Table 12 are used to create the tool assemblies listed in the previous section Detail figures for significant individual components follow Table 12 in this section Item numbers within the fig ures of tool assemblies identify individual components in Table 12 TABLE 12 TOOL ASSEMBLIES INDIVIDUAL COMPONENT LISTING P 2 sss Jsomzsemmeou 1 Haan 3 see mesoe a os Ta ese quan 2 re
14. M CHASSIS 2 1200A L OR M CHASSIS 5 1500A M CHASSIS DC LINK VOLTAGE INDICATOR V 930V 690V LINE LINE U 780V 600V LINE LINE CHASSIS INDICATOR M L DIGIT 2 OR6 E 50871 Figure 5 Siemens Drive Nomenclature 1 4 4 Grounding Instructions Grounding motor frames is required to safeguard personnel from electric shock in the event of an insulation failure in the machine WARNING Failure to properly ground electrical equipment may expose personnel to a potentially hazardous condition in which serious or fatal injury from electrical shock is possible Grounding conductors must be provided between the machine frame and the supporting structure to avoid hazardous potential voltage difference between the machine frame and the adjacent surface on which a person may be standing while touching the machine NOTE This type of ground connection is referred to in electrical standards as equipment ground or en closure ground which is not to be confused with system or circuit grounding Drilling drive systems normally do not have an intentional circuit ground connections except through high impedance detectors Grounding conductors must be provided on drilling units on which the construction on the unit and or instal lation of the machines does not inherently ensure positive grounding of the equipment Examples are those portable modular platform rigs and land rigs which do not already have ground cables
15. When the hub is nearly in engagement with the taper fit not in actual contact snap it forcibly into place with a quick push It is important that the hot hub be instantly snapped into position before it has cooled otherwise it will freeze to the shaft and cannot be adjusted further 9 Check the hot or shrunk on position of the hub on the shaft The advance from cold to hot position along the axis of the shaft must be held within the limits indicated Check the actual advance with an indicator gauge located in the same relative position as used to measure the cold position in Step 3 as shown in Figure 14 10 If the advance is not within specified limits remove the hub and repeat the assembly procedure 43 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 6 SUMMARY DATA 6 1 DRILL MOTOR DATA 6 1 1 Drill Motor Application Data TABLE 8 5GEB22 APPLICATION DATA SPEED RPM TORQUE LB FT NM HORSE VENTILATION TIME POWER SCFM 9025 12236 1150 3000 1270 144 seconds load 116 seconds no load 800 7550 10236 1150 3000 1120 800 9200 12474 1400 3000 1380 120 seconds load 90 seconds no load 800 9200 12474 1400 3000 1380 32 seconds load 30 seconds no load 1600 3773 5116 1150 3000 1095 1800 3351 4543 1150 3000 1125 6 1 2 Drill Motor General Data TABLE 9 5GEB22 GENERAL DATA Stator field resistance each pair of terminals at 25 C 77 F ohms Runout measured from shaft to outer race each end in
16. X THREAD 85 725 o LM 0 062 1 575 457 CHAM 3 375 0 000 0 001 DIA BUSHING j 0 0254 0 75 19 05 87 725 0 000 0 0254 21 25 53 975 MAKE FROM B5F4C2 STEEL MEASUREMENT IN INCHES MILLIMETERS IN PARENTHESES E 50424 Figure 23 Clamp Plate 6733347G1 Item 1 Table 12 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 2 8 CUT OR 0 375 9 525 RAD ROLLED THREAD use 0 062 1 575 xT 459 CHAM JMUT III HII 1 34375 1 344 0 437 11 112 Fi 34 1313 34 138 5 75 146 05 HEX 1 75 DIA 6 25 158 75 14445 MAKE FROM B50E86B STEEL MEASUREMENT IN INCHES MILLIMETERS IN PARENTHESES ceme Figure 24 Bolt 8806566P1 Item 2 Table 12 1 125 28 575 0 875 22 225 0 375 9 525 H 1 875 DIA c N lt 6 So lt e G Lm S N Lm N oo Nel o Q lt N in pm 3 5 88 9 DIA l MAKE FROM B5F4A STEEL 250 FINISH ALL SURFACES MEASUREMENT IN INCHES MILLIMETERS IN PARENTHESES E 50431 Figure 25 Press Cap 8806567P1 Item 3 Table 12 55 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 0 625 11 THREADED THRU 0 062 1 575 COUNTERSINK 4 HOLES AS SHOWN ON 6 9375 176 213 B C 142 875 0 406 0 000 M 5 625 0 016 0 000 DIA E 0 125 3 175 SAW CUT 6 0 152 4 DIA 0 2187 0 000 0 016 5 555 0 000 0 406 NN 5 016 0 016 0 000 DIA 127 406 0 406 0 000 lt as in do On Tc So 8
17. c Ifrunout remains excessive disassemble the motor to check the CE frame head 27 bearing fit and the CE bearing housing 35 bearing fit and inspect all parts for burrs debris or component wear to determine cause of excessive bearing runout Reassemble the motor and repeat runout check Drive End DE Bearing Runout Check To check the DE bearing 3 runout 1 2 Raise the DE end of the motor 4 to 6 in 102 to 152 mm and force the rotor toward the Connection End CE Clamp a dial indicator on the face of the Drive End DE of the rotor shaft 5 Zero the dial indicator reading on the face of the DE rotor bearing 3 outer race Rotate the rotor to determine the bearing runout a If runout is within allowable limits for runout as shown in section 6 1 2 Drill Motor General Data in this publication proceed to the next bearing check procedure b If runout is outside allowable limits retighten the DE bearing cap bolts 8 and DE frame head bolts 10 Repeat the runout check c Ifrunout remains excessive disassemble the motor to check the DE frame head 11 bearing fit and the DE inner bearing cap 12 bearing fit and inspect all parts for burrs debris or component wear to determine cause of excessive bearing runout Replace any worn components Reassemble the motor and repeat runout check Drive End DE Bearing Radial Clearance Check To check the DE bearing 3 radial clearance 1 With Drive End DE of th
18. fans Ti aasan lt 7 wmm Jmresnemes lt s ee ce 2 re qan o 2 roma Tu jen Pwammnmwti jw 2 sesaria lt Lu porer Jmremmewes a a men ae unassieneo 3 Par mso T Imrssewes fr C L p p T PRP Me 53 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 54 0 6875 17 4625 DRILL 4 HOLES AS SHOWN ON 1 25 31 75 14 0 355 6 DIA B C n 15 0 6875 17 4625 DRILL 4 HOLES AS SHOWN M e ON 13 75 338 836 DIA B C 0 5 12 7 DRILL 4 HOLES AS SHOWN ON 6 375 161 925 DIA B C SSS 0 6875 17 4625 DRILL 4 HOLES AS SHOWN ON 10 254 DIA B C 3 375 0 001 0 000 DIA 85 725 0 0254 0 000 WA EWWA 15 25 387 35 DIA 5 75 146 05 DIA 225 0 6875 17 4625 DRILL 4 HOLES AS SHOWN ON D 9 5 241 3 DIA B C 0 125 3 175 X 45 CHAM 0 6875 17 4625 IL DRILL 4 HOLES 0 6875 17 4625 tl 0 625 15 875 AS SHOWN ON DRILL 4 HOLES 6 9375 176 213 DIA B C AS SHOWN ON 13 5 342 9 DIA B C MAKE FROM B5A8G2 1 25 31 75 THICK PLATE 250 FINISH ALL SURFACES MEASUREMENT IN INCHES MILLIMETERS IN PARENTHESES ASSEMBLE COMPONENTS BUSHING 0 062 1 575 RAD PLATE TACK WELD 0 125 3 175 45 CHAM 4 PLACES lt FA 2 8 3 375 DIA
19. feet as shown in Figure 13 d Thread the CE frame head eight mounting bolts and hardened flat washers 28 through the CE frame head into the tapped holes of the stator frame 21 e Tighten the bolts to draw the CE frame head into the stator frame fit evenly f When the CE frame head is fully seated against the stator frame torque the mounting bolts to 468 27 Ib ft 634 36 Nm 35 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 36 LARGEST BEARING CAP BOLT SPACE TO BE AT 6 O CLOCK POSITION WHEN FRAME HEAD 27 IS ASSEMBLED TO FRAME 21 E 50831 Figure 13 CE Frame Head and CE Bearing Cap Alignment Mount the stator frame in a heavy duty stand with the Drive End DE up Level the stator frame so that the rotor can be lowered vertically into the frame with a hoist without damaging the bearings or bus rings Allow enough clearance for the guide studs on the rotor assembly to extend approximately 8 inches 203 mm beyond the CE frame head 27 Ensure the DE of the stator frame 21 is free of damage and burrs in the frame head fit Ensure the DE frame head 11 mounted on the rotor shaft is free of damage and burrs Remove the CE outer dummy bearing cap from the end of the rotor shaft The inboard CE gasket must remain aligned on the inner bearing cap 35 6 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 Thread two long guide studs 625 11 X 10 into opposite holes of the inner bearing cap
20. motor frame ground while leaving the second lead of the megohmmeter connected to one of the RTD leads red white or white Apply a 500V megohmmeter test to the circuit If the reading is greater than 2 megohms proceed to Step 14 If the reading is less than 2 megohms check the RTD cable for cracked scuffed or open insulation Repair or replace the cable if damage is found If no cable damage is found then the RTD is defective and should not be used Repeat Steps 7 through 13 until all the RTD cables have been checked against the stator motor leads and the motor frame Remove the megohmmeter leads and return all components to operating condition Motor Mounting Hardware Check the motor mounting bolts nuts and associated hardware Ensure the hardware is not missing or loose Replace missing hardware and tighten loose bolts 15 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 4 2 CLEANING THE MOTOR Cleaning the motor is essential to long term motor life When the drilling motor is removed from its machinery accumulated dirt and oil buildup can be removed The external motor surfaces can be cleaned by steam clean ing The internal motor components should not be sprayed with a steam cleaner To clean the motor 1 Clean the motor only when the drilling motor is removed from its machinery and power is removed from the motor WARNING Personnel performing cleaning procedures must wear protective clothing gloves and eye
21. protec tion Follow local practices and procedures for cleaning Failure to do so may result in injury or death CAUTION Alkali and chlorinated hydrocarbon cleaning solutions are not recommended for cleaning drill motors due to the adverse affects on motor insulation Use of these solutions may cause motor failure or reduced motor life CAUTION Do not spray the internal components of the motor with a steam cleaner Moisture contamination may cause motor failure or reduced motor life 2 Cover the motor air inlet and outlet with heavy plastic and tape Ensure the interior motor components are protected from spray during cleaning 3 Steam clean the external surfaces of the motor Do not direct the spray at motor openings or the plastic covers Recommended cleaning solutions are CHEMICAL METHODS INC 809 or GE BETZ KLEEN SBC120 4 When steam cleaning is complete let excess fluid drain from the motor 5 Remove the plastic covers or protective covers and tape from the motor WARNING When using compressed air for cleaning purposes flying debris and particles may present a hazard to personnel in the immediate area Personnel should be provided with and trained in the use of protective equipment as specified by applicable federal or state regulators Failure to do so may result in injury or death 6 Using compressed air blow out the interior of the motor to remove all dirt dust and moisture If necessar
22. publication unless otherwise noted 1 Remove the two set screws 40 from the rotor bearing nut 33 Attach the spanner wrench GE Tool 9945228 to the rotor bearing nut Using a dead blow hammer tap the wrench handle in a counter clockwise CCW direction to loosen the nut Remove the spanner wrench and remove the bearing nut from the rotor 2 Assemble the bearing puller GE Tool 41D736059G3 and use the hydraulic jack to pull the connection end bearing housing 35 and bearing 34 from the rotor shoft 3 Position the bearing housing with the bearing down on a flat surface Reassemble the bearing puller to GE Tool 41D736059G4 and use the hydraulic jack to push the bearing from the bearing housing GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 GASKETS TORQUE TO 117 6 LB FT 158 8 NM FILL BEARING COMPLETELY WITH 5 OZ 142 G OF GREASE T a APPLY SEALANT TO PIPE PLUG FILL CAVITY WITH 2 2 OZ FILL CAVITY WITH 2 8 OZ 79 4 G OF GREASE 62 4 G OF GREASE TORQUE TO 40 2 LB FT 54 3NM TORQUE TO 500 LB FT 678 NM MIN COAT RUNNING SURFACES WITH 0 25 7 G OF GREASE STANDARD MEASURMENT UNITS METRIC IN PARENTHESES MOTOR MODELS PRODUCED PRIOR TO SEPTEMBER 2001 50410 Figure 8 Connection End CE Bearing Assembly for Models Manufactured Prior to September 2001 22 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 GASKETS FILL BEARING WITH 5 OZ 142 G OF G
23. the end of the shaft Take measurements with a micrometer advance gauge similar to that shown in Figure 14 Zero the gauge Refer to Figure 39 in section 6 4 5 6 Hub Installation Advance Gage in this publication for advance gage information 41 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 ADVANCE GAGE E 50962 Figure 14 Using Advance Gage for Hub Installation 4 Mark points of measurement and mark across the end of shaft and hub face so that the hub when heated can be mounted in exactly the same angular position and so the advance measurement can be made from the same point CAUTION Zero settings of advance gauge must not be disturbed until all readings on the hub are completed 5 Mountthe hub hot onto the shaft so asto secure an advance from the cold position to the hot position along the axis ofthe shaft as indicated in this section The ESTIMATED difference between shaft temperature and hub temperature temperature rise that will provide this advance is also given The temperature difference is only an estimate and should be adjusted if necessary to provide the advance within prescribed limits Refer to Table 7 CAUTION The temperature of the hub must not exceed 250 C 482 F otherwise the hub may become annealed NOTE For rise or change in temperature from ambient room or part only compare the ratio of change between Celsius and Fahrenheit Every 5 degrees of change in Celsiu
24. 11 0 Approximately a 1096 solution of the cleaning agent and heated water should achieve the pH level The 1096 solution should be used on the rotor and stator of the motor If needed a 5096 solution of the cleaning agent and heated water can be used on the motor frame externally Do not allow the stronger solution to leak internally to the motor To control the cleaning agent in solution a steam cleaner with an adjustable soap cleaning agent valve should be used GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 To clean the motor 1 Using the 50 solution spray the external motor frame with the cleaning solution Let the cleaning solution soak the motor frame five to twenty minutes depending on the contaminant to penetrate the accumulated contaminants 2 If deposits of contaminants are too heavy to be steam cleaned off manually scrap the debris off and steam clean 3 Rinse the cleaning solution off motor with steam and hot water 4 Blow the motor frame dry with clean dry compressed air 5 After motor disassembly during the overhaul process clean the internal motor components using a 10 cleaning solution 6 Rinse of the cleaning solution off with hot water heated to a minimum 194 F 90 C NOTE The internal motor components must be thoroughly rinsed Cleaning solutions may form a crystalline compound if left on the motor components The motor insulation systems may be affected by the crystalline deposits which m
25. ALL WARRANTIES OF ACCURACY MERCHANTABILITY OR FITNESS FOR ANY PURPOSE IN CONNECTION WITH THIS PUBLICATION AND USE THEREOF If you are not an authorized recipient of this publication you are hereby notified that any perusal use distribution copy ing or disclosure is strictly prohibited If you have received this publication in error please immediately return to GE at the following address GE Transportation Technical Publications Department Building 14 2901 East Lake Rd Erie PA 16531 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 CONTENTS Page 1 GENERAL INFORMATION orte ec catches oe et AR B 4 1 1 INTRODUCTION S s cic tp a an Oa e hE NUS MU M ELA Clare a MAS ADULT UT 4 1 24 SAR esee A aa sr ar a 4 1 5 ATEA CERTMEICATIQI inune tt Gud GEES LM ua SSS TIE 4 14 INSTALLATION AND OPERATIONAL INSTRUCTIONS nnne ttt ttt ttt ttt ttt tette nne 5 1 52 MODELDBIEFERENGES br S tl etin tetti teo Latet ital Sa teenie AL NOM OCA E 22 GONTROLS AND INBICATORS ctt tcc dde a an ces ce eel cael Led er dE FUNCTIONAL DESCRIPTION sx 22 2 ho E o EE teme im a Se t ER Ln ee H e 4 SOHEDUEEDIMAINTENANGE x t ott tete debetis dmt at ted dites oet 4 1 MONTHLY SCHEDULED MAINTENANCE PROCEDURE 42 CLEANING THE MOTOR etm esM Dum cec AN te 5 REMOVAL AND REPLACEMENT PROCEDURES t tue a O N D dem tnn bz MOTOR PREPARATION FOR SHIPMENT skin eet bat EN ei Dn ee eed hoe 5 2 DISASSEMBLY PROCEDURES
26. AMER PART 1 amp 2 2 OPPOSITE HOLES REAM ASSEMBLED 53125 13 4938 DRILL THRU 8125 20 6375 2 OPPOSITE HOLES C BORE HANDLE 8125 20 6375 1875 4 7625 DEEP 1 105 005 28 067 127 BLANCHARD GRIND 75 19 05 2 OPPOSITE HOLES i DRILL 5625 14 287 8125 20 6375 C BORE C BORE 8125 20 638 5625 DEEP 125 3 175 DEEP C SINK 2 OPPOSITE HOLES 031 794 2 OPP HOLES 5 5 139 7 DIA 3 FO Da SI oU dz 4 a 75 19 05 DIA 6255 000 001 DIA 15 8877 0000 0254 3 125 79 375 DIA i BOLT CIRCLE s Ob tes RAD 2 3125 58 7375 DIA 79375 THRU PARTS 1 2 6255 000 001 DIA 15 887 0000 0254 0625 RAD 1 5875 0312 7925 RAD PR 11 90 63 DIA PART 3 PIN 9945228 SPANNER WRENCH 1 i ROCKWELL C 45 50 PIN ENLARGED FOR DETAIL PART DESCRIPTION HANDLE 4140 MEASUREMENTS IN INCHES MILLIMETERS IN PARENTHESES PART 2 PLATE NITRIDE HARDEN fa N e RC 52 54 3 a Nn N E 50833 Figure 35 Bearing Nut Spanner Wrench 9945228 65 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 6 4 3 3 CE Dummy Bearing Cap 1 125 28 575 50 12 70 180 000 010 5625 14 287 DRILL THRU 4 572 000 254 4 HOLES ON 9 5 241 3 BC 8 465 004 000 DIA 215 011 1016 0000 10 5 266 7 DIA 5 48 oe 2l s ER ae et o 38 5 s ao R o s 250 FINISH ALL SURFACES MEASUREMENT IN INCHES MILLIME
27. GE Transportation 1150 HP AC Drilling Motor Model 5GEB22 imagination at work GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 2009 General Electric Company All rights reserved The information contained in this publication is the property of General Electric Company and is disclosed in confidence This publication is intended for use by GE customers solely for purposes of operating and performing routine maintenance of purchased or licensed GE products and it shall not be reproduced redistributed retransmitted translated abridged adapted condensed revised or otherwise modified in any form in whole or in part or used for any other purpose or disclosed to third parties without the express written consent of GE GE and Customer agree that the information contained herein does not purport to cover all details or variations in GE products or to provide for every possible contingency with installation operation or maintenance Should further infor mation be desired or should particular problems arise that are not covered sufficiently for the user s purposes the matter should be referred to General Electric Company Any applicable Federal State or local regulations or company safety or operating rules must take precedence over any information or instructions given in the Technical Documentation GE has no obligation to keep the material up to date after the original publication GENERAL ELECTRIC COMPANY EXPLICITLY DISCLAIMS
28. ION This publication provides basic instructions for inspection maintenance and overhaul procedures the drilling motor model 5GEB22 Figure 1 represents the 5GEB22 motor with cooling blower and connection box Figure 2 depicts the 5GEB22 grounding block and rotor lock for shipment Also included in this publication are special tools and materials required to perform the procedures For general drilling motor information refer to Table 9 in section 6 1 2 Drill Motor General Data in this publication For drilling motor application data refer to Table 8 in section 6 1 1 Drill Motor Application Data in this publication This publication has significant changes since the last release Due to major changes there are no revision bars E 43806 Figure 1 5GEB22 Drilling Motor with Blower and Connection Box SAFETY INFORMATION Safety precautions which must be observed when working on this equipment appear throughout this publica tion WARNINGS indicate the potential for personal injury and CAUTIONS indicate the potential for equipment damage ATEX CERTIFICATION ATEX certification applies only to those motors with the increased safety nameplate shown in Figure 3 NOTE In order to maintain ATEX approval only GE Transportation original parts shall be used as replace ment parts Due to format changes revision bars are not used GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22
29. ONENT IDENTIFICATION of this publication unless otherwise noted 1 2 6 7 Place the motor in a horizontal position Remove the eight bolts and flat washers 31 securing the connection end bearing housing to the connec tion end frame head Remove the connection end bearing cap Screw two long guide studs 625 11 X 10 through the frame head and into the connection end bearing inner cap 35 in opposite holes of the six just emptied These studs will help to guide the rotor out of the motor frame Place the motor on a heavy duty stand with the drive end up Level the motor so that the rotor can be lifted vertically with a hoist without damaging the bearing or bus rings Remove the eight bolts 10 and flat washers holding the drive end frame head to the motor frame Screw a 1 in 8 steel lifting eyebolt into the threaded hole in the drive end of the rotor shaft 5 Align the hoist cable with the center line of the rotor and attach the hoist hook to the lifting eye NOTE The connection end bearing and housing and the drive end frame head bearing and housing are rem 20 oved with the rotor as an assembly GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 CAUTION Use extreme care when turning the rotor to the horizontal position to avoid damage to the core and the bearing and frame head fits Use two hoists when positioning the rotor horizontally 5 2 3 8 Carefully lift the rotor assembly out of th
30. REASE R FILL CAVITY WITH 2 2 OZ AVITY WITH 2 4 F 62 4 G OF GREASE kwa FILL CAVITV WITH 2 8 OZ 79 4 G OF GREASE TORQUE TO 117 6 LB FT 158 8 NM me TINI mA TORQUE TO 58 2 LB FT 78 3 NM COAT RUNNING SURFACES WITH GREASE APPLY SEALANT TO PIPE PLUG STANDARD MEASURMENT UNITS METRIC IN PARENTHESES MOTOR MODELS PRODUCED AFTER SEPTEMBER 2001 E 50409 Figure 9 Connection End CE Bearing Assembly for Models Manufactured After September 2001 5 2 3 2 Connection End Bearing Assembly Removal Procedure for 5GEB22 Models Manufactured After September 2001 The following procedure details the removal procedure for 5GEB22 drill motor models manufactured after to September 2001 To remove the CE bearing assembly NOTE Numbers in parenthesis refer to item numbers in Figure 15 located in section 6 2 DRILL MOTOR COMPONENT IDENTIFICATION of this publication unless otherwise noted 1 Remove the four bearing clamp 41 retaining bolts and hardened washers 42 2 Thread two bolts into the bearing clamp 41 jack out holes Tighten the bolts alternately until the bearing clamp 41 is free of the rotor shaft fit Remove the bearing clamp and remove the jack out bolts from the bearing clamp 3 Assem
31. ST be replaced after 25 000 hours of operation which is 9096 of calculated bearing life All maintenance must be carried out in accordance with a EN 60079 17 2003 Electrical apparatus for explosive gas atmospheres Part 17 Inspection and maintenance of electrical installations in hazardous areas other than mines GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 b IEC 60079 19 2006 Electrical apparatus for explosive gas atmospheres Part 19 Repair and over haul for apparatus used in explosive atmospheres other than mines or explosive industry 4 Safe electrical parameters are defined in Figure 3 and Figure 4 defines the safe environmental parameters for the drilling motor model 5GEB22 The drilling motor may be operated in the presence of typical vibration levels encountered on land and offshore rigs O GE Increased Safety Motor CERTIFIED Ex ell T3 Tap 40 C to 55 C IEC 60034 1 SIRA O9ATEX3077X Year of Construction CE 1180 Motor Model Number 5GEB22 Maximum Current 1800 AMPS RMS Ratio Max Nom lA In Current 1 36 Safe Stall Time 37 Seconds Temperature Protection Devices Must Be Set At 190 C maximum DO NOT OPEN WHEN ENERGIZED GE Transportation Systems Q Made in U S A O E 50985 Figure 4 Safe Environmental Parameters for the 5GEB22 Motor 1 4 1 Drilling Motor Model 5GEB22 Operational Requirements The drilling motor requires 1 The cable fitted
32. TE When using brazing material in strip form the strip should be sandwiched between the two pieces being brazed which must be flat along the entire length of the joint 3 Insert a brazing strip between the two connecting straps being brazed 4 Position the brazing tongs on the area to be brazed and clamp in place WARNING Observe all government and shop safety regulations when using compressed air Failure to do so may result in injury CAUTION Power is to be applied in pulses ONLY This enables the heat to spread out gradually providing a more even heating of the connection area and eliminating any intense hot spots that may damage the ring or coil material 5 Apply power to the brazing tongs in pulses ONLY and heat until the brazing solder flows freely Using an air nozzle blow air on the surrounding area while heating to dissipate heat from the area being brazed NOTE When brazing silver solder in rod form will be required to fill areas where the strip may have dripped out or to fill voids 6 Remove power from the tongs but do NOT release the tongs until the silver solder has cooled enough to hold the connection Blowing compressed air on the brazed area will speed the cooling 7 Insulate the connection area using Micamat part number 41A239176P215 and half lap insulating tape part number 41A239176P15 or other appropriate insulation material specific to the connection area 8 Varnish application ov
33. TERS IN PARENTHESES E 50834 Figure 56 CE Dummy Bearing Cap 41C689896 66 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 6 4 3 4 DE Bearing Guide 2 75 0 FLAT 25 4 6 25 DIA 158 750 5 781 DIA 146 837 5 758 4 001 000 DIA 146 2530 4 0254 0000 6 00 DIA 152 400 7 474 000 001 DIA 189 8400 0000 0254 250 FINISH ALL SURFACES BREAK ALL SHARP CORNERS WITH 062 1 575 RAD CARBURIZE HARDEN AND GRIND G SURFACES AS SHOWN MEASUREMENT IN INCHES MILLIMETERS IN PARENTHESES E 50835 Figure 37 DE Bearing Guide 67 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 6 4 3 5 DE Dummy Bearing Cap 0625 1 5875 RELIEF 3 0 76 20 lt a o o o 9 4 m wn N N 11 50 292 10 DIA 14 75 374 65 DIA 140 3 556 eile 6875 17 4625 DRILL THRU 1 125 28 575 4 HOLES ON 13 5 342 9 BC 250 FINISH ALL SURFACES MEASUREMENT IN INCHES MILLIMETER IN PARENTHESES E 50836 Figure 38 DE Dummy Bearing Cap 6796493P3 68 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 6 4 3 6 Hub Installation Advance Gage E 50961 Figure 39 Hub Installation Advance Gage GE 41D790941G1 69 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 NEW 06 98 GAS REV 09 98 MGC DGK REV 12 01 GMD REV 10 02 GMD REV 03 09 PAB 70
34. a and eliminating any intense hot spots that may damage the ring or coil material 8 Apply power to the brazing tongs in pulses ONLY until the heat melts the brazing material in the joint then shut off the power 9 Quickly remove the brazing tongs and using the screwdriver or pry bar spread the connection joints before the solder cools and resolidifies 10 When the bus ring and stator coil connections are separated repair or replace damaged bus rings straps or stator coil leads prior to brazing the connection together 11 Before brazing together ensure the material is clean parts being brazed are flat against each other to pre vent voids 5 5 2 2 Repairing Stator Coils to Bus Ring Connection Brazing and Insulating To braze and insulate the connection after repairs have been made 26 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 NOTE The brazing median can be used in strip form GE Part 41A231281P46 or rod form GE Part 41A330300P2 It is recommended that strips 0 010 in 0 25 mm thick cut into squares or rectangles 0 06 in 1 6 mm larger than the conductors be used for the initial connection Use the brazing rod to fill voids after the initial connection Use of this material eliminates the need for flux 1 The connection area of the material to be brazed must be clean and free of dirt oil and insulating materials 2 If necessary bend the soft copper connecting straps to align the connection NO
35. a rust inhibitor on the exposed components Motor Coupling and Alignment CAUTION Be sure to align or check alignment carefully on either motors or MG sets Misalignment can cause excessive vibration and damaging forces on shaft and bearings Time taken to assure good alignment will be returned in reduced downtime 1 4 6 1 Coupled Drives On coupled drives when a motor and a driven unit together have four or more bearings flexible couplings should be used to facilitate alignment Three bearing construction requires a rigid coupling CAUTION Careful alignment of machines when using either solid rigid or flexible couplings is essential to prevent excessive vibration hot bearings or shaft failures Couplings must be properly sized to be capable of driving maximum machine torque Interference fits should be used between motor shaft and coupling 1 4 6 2 V Belt Drives On V belt drives the driving and driven shafts should be located so that they are parallel and the sheaves aligned If properly aligned there is minimum wear on the belts and no excessive thrust on the machine bearings The sheave should be mounted as close as possible to the motor bearings The following recommendations should be followed concerning the minimum sheave pitch diameter which can be used for the particular motor The belt manufacturer should be consulted for the maximum speed ratio and belt for the particular application The fo
36. ail special tools and materials recommended for 5GEB22 overhaul 6 4 1 Standard Removal Tool Assemblies The following tool assemblies listed in Table 11 are used to aid disassembling the 5GEB22 Tool assemblies de scriptive figures follow Table 11 The tool assemblies consists of various individual components that are detailed in the section following this TABLE 11 TOOL ASSEMBLIES 6751547G7 DE INNER SLEEVE REMOVAL TOOL ASSEMBLY Figure 21 6751547GX CE INBOARD ROTOR LOCK SLEEVE REMOVAL TOOL ASSEMBLY Figure 22 6751547G6 DE INNER BEARING CAP REMOVAL TOOL ASSEMBLY Figure 20 47 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 CT B 6733347G1 CLAMP PLATE 8806566P1 BOLT 8806567P1 PRESS CAP 6734764P2 CLAMP 6727124G1 RING 41A235078P1 STUD 1 2 3 4 5 6 7 48 N203P33 NUT 0 625 11 Eie Figure 17 CE Bearing Inner Race Removal Tool 6751547G1 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 6733347G1 CLAMP PLATE 8806566P1 BOLT 8806567P1 PRESS CAP 6717242P1 STUD 0 4375 14x11 N203P27B13 NUT 0 4375 14 E 50430 Figure 18 DE Outer Sleeve Removal Tool Assembly 6751547G4 49 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 ITEM PART NUMBER DESCRIPTION QNTY 6733347G1 CLAMP PLATE 8806566P1 BOLT 8806567P1 PRESS CAP N203P33 NUT 0 625 11 6734765P2 CLAMP 6727110G1 RING 8806337P1 STUD 0 625 11x12 5
37. and burrs Lightly coat the rotor shaft bore with GE specification D6A2C10 grease to facilitate assembly Insert the bearing clamp into the rotor shaft bore Thread the clamp bolts 42 through the clamp into the tapped holes of the rotor shaft Tighten the clamp bolts alternately to evenly to draw the clamp into the rotor shaft bore When the clamp is fully seated in the rotor shaft torque the clamp bolts to 58 2 Ib ft 78 3 Nm 11 Apply the gasket and assemble the dummy CE bearing cap 41C689896 Figure 36 with four bearing cap bolts and hardened washers 31 Thread the bolts through the dummy bearing cap into the inner bearing cap 35 to secure the bearing assembly 5 6 4 Drive End DE Bearing Assembly NOTE Numbers in parenthesis refer to item numbers in Figure 15 located in section 6 2 DRILL MOTOR COMPONENT IDENTIFICATION of this publication unless otherwise noted To assemble the DE bearing WARNING When using compressed air loosened debris may make the surrounding area dangerous for per sonnel Ensure all personnel are clear and wear appropriate safety equipment Follow all local regulations and procedures for compressed air use Failure to do may result in injury or death 1 Using clean dry compressed air blow any loose debris clear of the DE rotor shaft 5 2 Inspect the DE bearing assembly and rotor shaft to ensure parts are free of damage and burrs 3 The rotor should be in the horizontal position a
38. ay shorten the insulation life WARNING When using compressed air loosened debris may make the surrounding area dangerous for per sonnel Ensure all personnel are clear and wear appropriate safety equipment Follow all local regulations and procedures for compressed air use Failure to do may result in injury or death 5 5 7 Using clean dry compressed air blow excess water off internal motor components 8 Bake the motor electrical parts in a ventilated oven at 257 F to 320 F 125 C to 160 C for 8 to 12 hours 9 Allow parts to cool to room temperature and visually inspect for defects 10 Perform the Megohmmeter and High Potential tests described in section 5 5 1 Static Electrical Testing In troduction of this publication 11 If the stator assembly does not meet specifications in tests bake an additional two hours in the oven and retest STATIC ELECTRICAL TESTING Static Electrical Testing Introduction Static electrical tests include a Megohmmeter test and High Potential Hi Pot test Both tests check motor insu lation systems Always perform the Megohmmeter test prior to the Hi Pot test High voltage used in the Hi Pot test may be destructive to insulation if water or debris is present If the Megohmmeter test indicates moisture or debris is present clean the stator as described in section 5 4 1 Steam Cleaning Introduction of this publication Once the Megohmmeter test specification is met proceed to the Hi Pot te
39. ble the bearing puller GE Tool 41D736059G3 and use the hydraulic jack to pull the connection end bearing housing 35 and bearing 34 from the rotor shaft 4 Position the bearing housing with the bearing down on a flat surface Reassemble the bearing puller to GE Tool 41D736059G4 and use the hydraulic jack to push the bearing from the bearing housing GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 5 2 4 Driv The e End Bearing Assembly Removal following procedures details the drive end DE bearing assembly Figure 10 removal To remove the DE bearing assembly NOTE Numbers in parenthesis refer to item numbers in Figure 15 located in section 6 2 DRILL MOTOR COMPONENT IDENTIFICATION of this publication unless otherwise noted 1 2 5 2 5 Con Remove the eight bolts and the flat washers 8 from the outer bearing cap 7 Support the weight of the DE frame head 11 with a hoist taking care not to lift the rotor off its support Assemble the bearing puller and use the hydraulic jack to pull the frame head 11 roller bearing 3 and inner bearing cap 12 from the rotor Use an arbor press and fixtures to separate the bearing assembly 3 from the DE frame head 11 Remove the inner shaft collar 1 only if damaged if outside of inspection limits or if the shaft must be re moved from the rotor If necessary use a puller to remove the sleeve nection End Frame Head Removal Removal of t
40. bus eut IM d DL D ILU EN LII ILLU EDUC a 5 5 INSPECTION AND REPAIR PROCEDURES sid a 5AA STEAM CLEANING fues erret tto n tct ame ce itn a 5 5 STATIC ELEETRICAD TESTING inue eduntur NL Nee D HEELS eut Dad 5 6 ROTOR SUBASSEMBLY PROCEDURES snai node aee beet NND eo ene TE Via sjal k ta Baa tS LE ta a 5 7 ROTOR INSTALLATION INTO THE STATOR FRAME e e N aan ttti 5 8 MOTOR BEARING CHEGCKS AF TER ASSEMBLY tbt CN eee e oben cede bec ana a ponite 5 9 FINAL ASSEMBLY OF ROTOR DRIVE END DE 5 39 5 10 FINAL ASSEMBLY OF ROTOR CONNECTION END CE 39 5 11 EEECTRICAL RUNNING TESTS cce Na te eee tit aad tate e tte te a 39 Bele AUB INSTALLATION S t ot la Neo s US M de n t muu M c tun AK A de 40 b SUMMARY DATAS ctetur e ANE oed er ea cee messe M 44 61 IDRILE MOTOR ONSE cess anne 44 6 2 DRILL MOTOR COMPONENT IDENSIRIQATION e s D BB VA Ha VAR AVIS HA ASS HST E aAA er Ree 46 Ox INSPECTION DATA sis bina ANNA h uuu Mexa ete oe ea riu acta Ten en A oes aS ola de 47 6 4 SPECIAL TOOES AND MATERS BS ipretali 47 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 1 1 1 2 1 3 GENERAL INFORMATION INTRODUCT
41. connection box 2 Drill 1 62 in 41 2 mm clearance holes in the wood stock to fit the holes in the motor mounting feet four holes WARNING The drill motor weighs approximately 5689 Ibs 2580 kg Use appropriate lifting devices when lifting the motor Failure to do so may result in injury or death 3 To avoid damage to the motor during handling a Do not lift the motor by the rotor shaft b Do not allow the motor to impact another object when lifted c Donot wrap the rotor with straps or banding for shipment Any securing straps or banding should be wrapped around the motor frame 4 Lift the motor onto the wood frame and align the motor foot holes with the wood frame holes 5 Install four 1 5 6 in bolts and washers through the motor mounting feet and wood stock frame Tighten the bolt into position 6 Slush the machined surfaces with a rust inhibitor before enclosing the motor for shipment 5 1 3 Motor Storage The motor should be prepared for storage to prevent damage 1 When preparing the motor for storage a Construct a platform to secure the motor as described in section 5 1 2 Motor Packaging for Ship ment in this publication b Slush the exposed machined surfaces with a rust inhibitor c Install wire leads to the anti condensation heater that allow the heater leads to be connected to an external power source d Install cover and side panel to crate the motor e Apply power to the anti conde
42. ct your GE representative to determine suitability GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 GE Drilling Drives DRILLING MOTOR MODEL NO 5GEB22 SERIAL NO COOLING 3000 SCFM AIR SUPPLIED BY BLOWER UNIT CLOSED COOLING SYSTEM IP56 TO MAINTAIN MAX INTERNAL AIR TEMPERATURE OF 45 C RATINGS S9 CONTINUOUS AMBIENT AIR MAX 45 C 55 C PHASE 3 AC VOLTS L L 587 AMPS AC 1380 1120 1048 RATER RPM 800 SHAFT HP 1400 1150 1075 MAX FREQUENCY HERTZ 153 MAX OPERATING RPM 3000 CONSTANT HP 800 1800 RPM 600 VOLT L LINE SUPPLY WITH 600 VOLTS MAINTAINED ABOVE 820 RPM CONSTANT HP 800 2400 RPM 690 VOLT L LINE SUPPLY WITH 690 VOLTS MAINTAINED ABOVE 940 RPM INSULATING CLASS H CONNECTION WVE INGRESS PROTECTION IP44 6424 LBS 2914 Kg IP56 7124 LBS 3238 Kg GE Transportation Systems Erie Pa Made in U S A E 50984 Figure 3 Safe Electrical Parameters for the 5GEB22 Motor 2 It is the end user s responsibility to ensure that the motor with steel components including shaft stator frame stator core and rotor core along with the blower and variable speed drive are installed in the correct designated area and will not be subjected to existing lor foreseeable aggressive destructive substances 3 Periodic lubrication is not required on model 5GEB22 drilling motor between scheduled overhaul intervals because the bearings are grease packed and permanently sealed Motor bearings MU
43. d against the inner race of the DE bearing 3 c Secure the sleeve in place until cool FINAL ASSEMBLY OF ROTOR CONNECTION END CE COMPONENTS Install the remaining CE component parts as follows NOTE Numbers in parenthesis refer to item numbers in Figure 15 located in section 6 2 DRILL MOTOR COMPONENT IDENTIFICATION of this publication unless otherwise noted 1 Remove the dummy CE bearing cap 2 Apply 2 8 oz 79 4 g of GE Specification D6A2C10 grease to the CE bearing cap 32 3 Align the CE bearing cap 32 with the largest gap between holes toward the mounting feet as shown in Figure 13 Assemble the bearing cap 32 to the CE frame head 27 and inner bearing housing 35 with eight bolts and hardened flat washers 31 and torque the bolts to 115 5 Ib ft 155 7 Nm ELECTRICAL RUNNING TESTS After the motor has been reconditioned and reassembled perform the following tests to ensure that the motor will operate satisfactorily WARNING Electrical tests are performed at high voltage Electrical shock can cause serious or fatal injury Proper precautions should be taken and observed by personnel performing testing to avoid injury 39 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 5 12 1 40 NOTE Numbers in parenthesis refer to item numbers in Figure 15 located in section 6 2 DRILL MOTOR COMPONENT IDENTIFICATION of this publication unless otherwise noted 1 Using stiff putty secure therm
44. e damaged Inspect the power cables for 1 Inspect the cable terminals for discoloration from heat arc damage cracks or fractures Replace terminals and or cable if damage is found 2 Ensure terminal connections are tight and arcing is not present 3 Inspect cable insulation for cracked worn cut bubbled or burnt insulation Replace the cable if damage is found 4 Checkcable connection bushings and mounting hardware such as cable cleats Replace damaged or miss ing hardware 5 Checkthe ground cable connection to the motor frame Ensure the connection is tight on the ground stud 4 1 53 Megohmmeter Test The insulation condition of the motor and cables can be determined by a megohmmeter test When the high voltage of the megohmmeter test instrument is applied to the power components of the motor circuit a high ohm reading indicates good insulation quality Low ohm readings indicate insulation breakdown moisture de bris contamination or carbon tracking To test the power circuit insulation with a megohmmeter 1 Ensure all the components in the power circuit are not affected by a megohmmeter test Check the drive system for megohmmeter test procedures or disconnect power cables from the drive system If cables are 14 10 11 12 13 14 15 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 disconnected for the megohmmeter make sure the cables are insulated from touching any surrounding surfaces Conn
45. e motor raised 4 to 6 in 102 to 152 mm force the rotor toward the Connection End CE Select a feeler gage thickness equal to the minimum radial clearance given in section 6 1 2 Drill Motor Gen eral Data of this publication for the drive end rotor bearing Place the feeler gage flat against the rolling surface of the inner race of the DE rotor bearing 3 just in front of the uppermost bearing roller Hand turn the rotor shaft just enough to roll the top bearing roller over the minimum radial clearance feeler gage Repeat the minimum clearance check for each bearing roller in the drive end rotor bearing Reject the bear ing if one or more bearing rollers will not roll over the minimum radial clearance feeler gage Select a feeler gage thickness equal to the maximum radial clearance given in section 6 1 2 Drill Motor General Data of this publication for the drive end rotor bearing Place the feeler gage flat against the rolling surface of the inner race of the drive end rotor bearing Hand turn the rotor shaft to check that none of the bearing rollers will roll over the maximum radial clearance feeler gage Reject the bearing if one or more bearing rollers will roll over the maximum radial clearance feeler gage Rotor Shaft End Play Check To check rotor shaft 5 end play 1 With the motor horizontal force the rotor to seat at the Drive End DE 5 9 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 2 Clamp a dial ind
46. e motor stator and place the rotor in a horizontal position on a wooden cradle supporting the core assembly 9 With the rotor in the horizontal position remove the two long guide studs 625 11 X 10 from the connec tion end bearing housing 10 Remove and service the rotor bearings according to instruction in section 5 2 3 Connection End CE Bearing Assembly Removal of this publication Connection End CE Bearing Assembly Removal There are two Connection End CE bearing assemblies used for the 5GEB22 models Models of the 5GEB22 man ufactured prior to October 2001 use the original design CE bearing assembly as shown in Figure 8 5GEB22 models manufactured after September 2001 Figure 9 use an enhanced performance CE bearing assembly Refer to section 6 2 DRILL MOTOR COMPONENT IDENTIFICATION in this publication for details of differences in the CE bearing designs The following sections describe the CE bearing removal for both designs of CE bearings Select the removal procedure appropriate for the bearing design on the drill motor 5 2 3 1 Connection End Bearing Assembly Removal Procedure for 5GEB22 Models Manufactured Prior to October 2001 The following procedure details the removal procedure for 5GEB22 drill motor models manufactured prior to October 2001 To remove the CE bearing assembly NOTE Numbers in parenthesis refer to item numbers in Figure 15 located in section 6 2 DRILL MOTOR COMPONENT IDENTIFICATION of this
47. e or used stator apply 2250 VAC rms 3 If the stator windings show significant current leakage to ground clean the stator as described in section 5 4 1 Steam Cleaning Introduction in this publication After cleaning retest the stator windings ROTOR SUBASSEMBLY PROCEDURES Rotor Balancing Dynamic balance of the rotor assembly is required for smooth operation and low vibration If not corrected an out of balance rotor will lead to complete motor failure The rotor must be balanced to within 50 gram in at both ends of the rotor These instructions pertain only to the location and method of attaching the balance weights The set up fixtures to hold components in the balance machine and the procedures required to obtain a balance within specified limits is dependent on the type of balance machine Therefore follow the operating procedures for the balance machine used CAUTION Use ONLY the specified welding rod Use of other types may result in poor welds leading to motor failure 30 NOTE Keep weld splatter out of the rotor core vent holes when welding balance weights to the end plate Attach the balance weights as needed by welding to the rotor end plates at a diameter of 13 75 in 276 9 mm Use welding rod GE Spec G50E37 BRONZE AWS E Cu Sn C Weld the balance weights using GE weld process P8B EP55 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 5 6 2 Connection End CE Frame Head Installation
48. ect a lead from the megohmmeter instrument to the motor TA lead Connect the second lead of the megohmmeter to a cleaned ground connection Apply a 500 volt megohmmeter test to the power circuit If the reading is above 2 megohms the power circuit insulation is satisfactory and proceed to Step 7 If the reading is below 2 megohms the power circuit insulation is degraded or bad Perform the following procedures to attempt to raise the ohm reading a Check the power cables for cracks scuffed or open insulation Repair or replace the cables if dam age is found b Water or dirt debris contamination may be adversely affecting the ohm reading Disconnect the power cables from the motor and retest just the stator leads If the reading is still below 2 megohms the motor will have to be removed for cleaning or repair Refer to 4 2 CLEANING THE MOTOR in this publication for cleaning instructions Connect one lead of the megohmmeter to the motor lead TA Connect the second lead of the megohmmeter to one of the RTD leads red white or white Apply a 500V megohmmeter test to the circuit If the reading is greater than 2 megohms proceed to Step 11 If the reading is less than 2 megohms check the RTD cable for cracked scuffed or open insulation Repair or replace the cable if damage is found If no cable damage is found then the RTD is defective and should not be used Move the first lead of the megohmmeter from the motor TA lead to a cleaned
49. el 5GEB22 1 0625 26 9875 DIA THRU 40 10 16 7 lt a o px N gt wn 2 M L CEMENT FELT RING WITH 497A806P12 4375 11 1125 DRILL THRU 2 HOLES MAKE FROM B4C1B 250 FINSH ALL SURFACES MEASUREMENT IN INCHES MILLIMETERS IN PARENTHESES E 50832 Figure 33 Hub Removal Tool Backing Plate 41B535119G1 63 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 3 125 79 375 0 5625 0 875 14 287 22 225 0 625 15 875 0 5625 18 UNF 2B 0 50 0 25 RAD 0 4375 BOTTOM TAP 11 1125 0 750 19 05 TA 0 375 24 0 900 0 005 DIA 22 86 0 127 0 125 DRILL 31 75 0 375 DIA 9 525 0 2187 DIA lt Oi P on om 65 Vost e Sn 440 e 0 285 0 002 DIA 7 239 0 0508 MAKE FROM B5F4M STEEL ALTERNATE MATERIAL B4C1A 125 FINISH ALL SURFACES MEASUREMENTS IN INCHES MILLIMETERS IN PARENTHESES E 50542 Figure 34 8864170P1 Hydraulic Fitting Adapter 6 4 3 2 Bearing Nut Spanner Wrench Bearing nut spanner wrench 9945258 Figure 35 Jis used to remove and tighten the CE bearing nut 64 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 1 105 005 28 067 127 PART 1 HANDLE NITRIDE HARDEN 4 000 007 DIA RC 52 54 101 600 1778 3 1 25 4 BOLT CIRCLE RAD 7 L 1 105 005 28 067 127 N e 3 1 5 38 1 RAD 1 105 005 ig 26 961 puted 17 0 431 8 20 75 527 05 DRILL FOR 625 15 875 RE
50. er the new insulation is required either by PSD EP25 VPI process or hand application Stator Rotor Reconditioning The stator and rotor must be reconditioned during the overhaul procedures before being returned to service These process help ensure long operating life for the components The stator assembly should be treated by Vacuum Pressure Impregnation VPI with an approved varnish VPI will seal and secure the stator coils VPI only after cleaning inspection and testing of the stator assembly The VPI process is GE Process P5D EP25 The rotor assembly should be treated by a powder coating process Powder coat the rotor after cleaning and inspecting The powder coat treating is GE Process P6C EP45 Due to changing technology contact your local GE representative or Drill Product Service Center for current instruction processes at time of overhaul Drill product Service Center contact information as follows 27 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 5 4 5 4 1 GE Transportation Attention Drill Product Service 2901 East Lake Road Erie PA 16531 www GEtransportation com STEAM CLEANING Steam Cleaning Introduction WARNING Cleaning agents may be toxic and or flammable Cleaning agents can cause serous or fatal injury if used without proper precautions For safety do not inhale fumes use only in adequately ventilated areas avoid contact of cleaning agents with the skin do not expose cleaning agent to fla
51. he connection end frame head may be required to gain access to the bus rings and stator coil connections To remove the CE frame head NOTE Numbers in parenthesis refer to item numbers in Figure 15 located in section 6 2 DRILL MOTOR COMPONENT IDENTIFICATION of this publication unless otherwise noted 1 Remove the eight bolts and flat washers 28 halding the frame head 27 to the stator frame 21 2 Thread three 1 8x3 jack out bolts into the threaded holes of the CE frame head 27 Evenly tighten the jack out bolts until the frame head is free of the stator frame 21 fit WARNING The CE frame head weighs approximately 220 Ibs 100 kg Use appropriate lifting devices for this weith Failure to do so may result in injury or death 3 24 Lift the frame head 27 from the stator frame 21 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 TORQUE BOLT TO 115 5 LB FT 156 7NM GASKETS FILL CAVITY WITH FILL CAVITY WITH 8 CZ 8 OZ 227 G OF GREASE 227 G OF GREASE E Lj L FILL CAVITV WITH 1 16 OZ 454 G OF GREASE USE THREAD SEALANT ON PIPE PLUG 0 1 LH COAT RUNNING SURFACE COAT RUNNING WITH GREASE SURFACES WITH GREASE
52. hould now show on the shaft If at least 75 percent of shaft surface shows traces of blueing the fit is satisfactory If however only a few spots of blueing show on the shaft the fit is not satisfactory Dress down the blue spots on the shaft very lightly with a fine emery cloth such as No 400A Triemite Blue the hub bore again refer to Step 1 and repeat Steps 2 4 5 and 6 Be sure to place the hub onto the shaft in the same position as marked Generally the fit will be improved but the foregoing procedure may have to be repeated several times to obtain a 75 percent fit Under no circumstances use a lapping compound since lapping will produce a shoulder at the large end of the tapered fit A shoulder will prevent a perfect fit when the hub is mounted hot i e when it is mounted in the advanced position After a good fit has been obtained thoroughly clean the shaft and the hub bore to remove all blueing oil or grease Then mount the hub 5 12 2 Hub Mounting 1 Thoroughly clean the hub fit on the shaft and bore of the hub referto the procedure in section 4 2 CLEANING THE MOTOR in this publication Remove any scoring on the shaft or hub bore Spot the cold hub on the shaft by hand and check for at least 75 percent fit Refer to section 5 12 1 Hub Fitting in this publication If necessary dress the shaft to obtain this fit Trial mount the cold hub onto the shaft Measure and record the position of the hub with respect to
53. icator to the motor frame at the Connection End CE of the motor or the dummy CE bear ing cap Zero the indicator ball on the face of the rotor bearing nut 33 for models manufactured prior to September 2001 or the rotor bearing clamp 41 for models manufactured after September 2001 3 Force the rotor back to seat at the Connection End CE The amount of rotor shaft end play indicated must not exceed the end play given in section 6 1 2 Drill Motor General Data of this publication FINAL ASSEMBLY OF ROTOR DRIVE END DE COMPONENTS If the rotor bearings pass the bearing runout and radial clearance checks install the remaining DE component parts as follows NOTE Numbers in parenthesis refer to item numbers in Figure 15 located in section 6 2 DRILL MOTOR COMPONENT IDENTIFICATION of this publication unless otherwise noted 1 Remove the dummy DE bearing cap 2 Packthe DE outer bearing cap 7 with 8 0 oz 227 g of GE Specification D6A2C10 grease Ensure the gasket 9 is in place between the bearing cap and frame head 3 Assemblethe bearing cap 7 insert to the DE frame head 11 and inner bearing cap 12 with eight bolts and hardened flat washers 8 and torque the bolts to 115 5 Ib ft 155 7 Nm 4 Install the DE outer sleeve 4 onto the rotor shaft 5 To install the sleeve a Heat the DE outer sleeve 4 to 110 C 230 F in an oven b Remove the sleeve from the oven and press it onto the DE rotor shaft until seate
54. inst the shaft collar 1 Secure the flinger in position until cool d When the flinger has cooled coat the flinger with GE specification D6A2C10 grease 7 Install the DE bearing 3 inner race onto the rotor shaft 5 drive end To install the bearing inner race a Heat the inner race to 212 F 100 C in an oven b With the rotor in a horizontal position remove the inner race from the oven and press onto the rotor shaft drive end until the inner race is seated against the flinger 2 Secure the inner race in position until cool c When the inner race has cooled coat the race with GE specification D6A2C10 grease 8 Fillthe DE bearing rollers and outer race with 16 oz 454 g with GE specification D6A2C10 grease as shown in Figure 10 9 Assemble the DE frame head 11 the DE inner bearing cap 12 and DE bearing 3 louter race and rollers together To assembly these components a Cold press the DE bearing 3 outer race and rollers into the DE frame head 11 Refer to Figure 10 for approximate position of the bearing in the frame head b Install the DE bearing pilot tool 8849499P7 Figure 37 on the rotor shaft as shown in Figure 11 NOTE Without the use of a rotor drive end bearing pilot the upper most rollers will drop toward the center making the assembly of rollers over the inner race difficult Refer section 6 4 SPECIAL TOOLS AND MATERI ALS in this publication for the bearing pilot guide stud and dumm
55. llowing formula and data can be used to select the MINIMUM allowable sheave diameter from the stand point of bearing life and shaft stress A larger sheave will further reduce the shaft stress and bearing loading This data is based upon the belts being tightened to a maximum total pull of 1 5 times the required transmission load used in the sheave diameter calculation Belts should never be tightened more than necessary to transmit this torque D HP RPM X 189000 W 11 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 Where D Minimum sheave pitch diameter in inches for V belt application HP RPM Maximum ratio of horsepower including overloads to the speed which that power occurs W Maximum allowable radial load Belt driven machines may be equipped with sliding rails Proper and constant belt tension is easily maintained and the replacement of belts is simplified This reduces the operating cost and increases the efficiency Sliding rails are to be used for floor mounting only Belt idlers reduce the life of the belts and should not be used if any other method is available The belts should never be forced over the sheaves When the drive is started and operating at full speed and full load thetake up should be adjusted until only a slight bow appears in the slack side If slippage occurs after the belt tension has been correctly adjusted the belts and pulleys have not been chosen properly for the job CAUTION Over tighteni
56. m Rotate the motor to the rotor shaft horizontal position Align the dummy bearing cap Figure 36 on the CE frame head using the two guide studs protruding through the CE frame head Thread two bearing cap bolts and hardened washers 31 into the open holes of the dummy bearing cap Remove the two guide studs and thread two bearing cap bolts and hardened washers 31 into the open holes Torque the bolts to 115 5 Ib ft 155 7 Nm 5 8 MOTOR BEARING CHECKS AFTER ASSEMBLY NOTE Numbers in parenthesis refer to item numbers in Figure 15 located in section 6 2 DRILL MOTOR COMPONENT IDENTIFICATION of this publication unless otherwise noted 5 8 1 Connection End CE Bearing Runout Check To check the CE bearing 34 runout 1 2 Raise the CE end of the motor 4 to 6 in 102 to 152 mm and force the rotor toward the Drive End DE Clamp a dial indicator on the face of the Connection End CE of the rotor shaft 5 Zero the dial indicator reading on the face of the CE rotor bearing 34 outer race Rotate the rotor to determine the bearing runout a If runout is within allowable limits for runout as shown in section 6 1 2 Drill Motor General Data in this publication proceed to the next bearing check procedure b Ifrunoutis outside allowable limits retighten the CE bearing cap bolts 31 and CE frame head bolts 28 Repeat the runout check 37 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 5 8 4 38
57. me or sparks and observe cautions and warnings issued by the manufacture of the cleaning agent Care must be taken in the selection and strength of cleaning agents or detergents used in conjunction with steam cleaning Typical cleaning agents pH alkalinity are alkaline and not chemically neutral Check the pH level with a pH monitor or pH test paper strips to ensure of the cleaning solution is in an acceptable range If pH test paper is used Table 6 depicts the pH test paper color and corresponding alkalinity level TABLE 6 CLEANING AGENT PH DATA F J x p 28 Cleaning processes in which heavy dirty greasy mechanical equipment is cleaned should not be used to clean electrical equipment Due to chemical make up and high concentrations of cleaning agents in solution utilizing the mechanical equipment cleaning processes on electrical equipment can have a significant impact on the life of the electrical insulation systems used in motors A suggested cleaning agent for use in steam cleaning processes for electrical equipment is CM 809 S or equiv alent This cleaning agent is available at Chem Methods Inc 12703 Trisket Road Cleveland OH 44111 Chem Methods Inc telephone number is 216 476 8400 This cleaning agent is Potassium Phosphate based and does not contain caustic materials or silicate The mixed steam cleaning solution should be heated to 158 F to 194 F 70 C to 90 C and have a pH of 10 5 to
58. nd blocked to prevent movement and rotation WARNING Components heated in ovens may be hot enough to cause injury Use appropriate safety equipment and follow shop procedures for handling heated components Failure to do so may result in injury 4 fremoved install the inboard DE shaft collar 1 onto the rotor shaft 5 to install the rotor shaft 52 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 a Heat the shaft collar 1 to 212 F 100 C in an oven b With the rotor in a horizontal position remove the collar from the oven and press onto the rotor shaft 5 drive end until seated against the rotor shaft shoulder Secure the collar in place until cool c After the collar has cooled coat the rotor shaft collar s running surfaces with GE specification D6A2C10 grease as shown in Figure 10 d Pack approximately 8 oz 227 g with GE specification D6A2C10 grease into the DE inner bearing cap 12 as shown in Figure 10 Coat the inner bearing cap running surfaces with the same grease 5 Place the inner bearing cap in position over the DE shaft collar 1 6 Install the flinger 2 onto the rotor shaft drive end To install the flinger a Heatthe flinger to 212 F 100 C in an oven b Ensure the inner bearing cap 12 is in position on the rotor shaft drive end c With the rotor in a horizontal position remove the flinger from the oven and press onto the rotor shaft drive end until the flinger is seated aga
59. ng in place to the end of the shaft as tight as possible by hand Back off the backing plate to line up the slot with the tapped hole in the end of the shaft This is to provide sufficient clearance for the hub to pop off Screw the pressure fitting adapter into the hole in the shaft until it seats at the bottom Attach the pump by screwing the connector on one end of the pressure tube into the adapter and the other end into the pump Close the hand relief valve and work the pump handle to force oil into the groove in the armature shaft under the hub When sufficient pressure has been built up the hub will pop off the shaft and be stopped by the felt washer and backing plate NOTE Capacity of the pump is 40 000 psi 275800 kPa It holds sufficient oil to remove eight to ten hubs check at each use Periodically remove the filling plug and refill with SAE 10 lubricating oil 6 Open the relief valve disconnect the pump from adapter remove the adapter and backing plate from the shaft and lift off the hub Reinsert the plug to prevent clogging the hole 5 2 2 Rotor Removal To remove the rotor from the motor assembly CAUTION lifting the Special precautions should be taken to avoid damage to the rotor bearings or bearing fits when rotor in the vertical position or turning the rotor to a horizontal position NOTE Numbers in parenthesis refer to item numbers in Figure 15 located in section 6 2 DRILL MOTOR COMP
60. ng to avoid this slippage may result in early failures of belts shafts and bearings Belt tension should be checked and adjusted following the belt manufacturer s recommendations There is normally a drop in tension during the first 24 to 48 hours of operation During this run in period the belts seat themselves in the sheave grooves and initial stretch is removed Belt tension should be rechecked after a day or two of operation Matched belts run smoother look better and last longer Longer belt life results if the belts and sheaves are kept clean and the belts are prevented from rubbing against the belt guards or other obstructions 1 4 6 3 Grouting On concrete foundations a minimum of one inch 25 mm should be allowed for grouting A rich non shrink grout should be used High grade grout mixtures are available commercially If the grout is to be prepared at the site a cement sand ratio of 1 2 is recommended Just enough water should be used to give a stiff mixture The clean but rough surface of the foundation should be wet and the grout rammed or puddled under the base 1 4 6 5 Flexible Coupling Alignment Procedure 12 Level all mounting base supports before setting the base in position Before grouting the base the alignment should be checked as follows 1 Remove all coupling bolts and slide the shells back so the hub faces are exposed 2 Checkthe coupling hub spacing is in accordance with the outline dimensi
61. nsation heater while motor is stored 18 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 ALLOW CONTAINER CLEARANCE FROM MOTOR ON BOTH ENDS 1 5 6 BOLTS NUTS AND WASHERS 4 PLACES APPROXIMATE WEIGHT OF MOTOR 5689 LBS 2580 KG BETA Figure 7 Shipment Preparation for the SGEB22 Motor 2 When removing the motor from storage a Disconnect power from the anti condensation heater b Remove the crating material from the motor c Remove the rust inhibitor from the machined surfaces d Visually inspect the motor for excessive rust or other defects e Megger the stator leads as described in section 4 1 3 Megohmmeter Test in this publication f Ifthe motor has been in extended storage the grease in the bearing should be replaced Follow the overhaul instructions in the following sections to disassemble the motor for bearing access 5 2 DISASSEMBLY PROCEDURES 5 2 1 Hub Removal When removing a hub use a suitable puller similar to Part 41B535703G1 Figure 32 This is a simple efficient hydraulic puller employing the float method of removal A complete unit consists of a pump kit a backing plate an adapter a felt ring and a bolt 19 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 NOTE Do not heat the hub before pulling it and do not use steel wedges between the hub and bearing cap 1 2 Remove the set screw plug from the tapped hole in the end of the shaft Screw the backing plate with felt ri
62. nt units may affect those already checked After the set has been aligned within the specified limits the coupling shells may be bolted together 1 5 MODEL DIFFERENCES TABLE 5 5GEB22 MODEL DIFFERENCE INFORMATION 2 CONTROLS AND INDICATORS Not Applicable to drill motor model 5GEB22 Refer to drive system instruction publications for controls and indi cators 3 FUNCTIONAL DESCRIPTION The Model 5GEB22 drilling motor is a force ventilated three phase alternating current induction motor de signed for use in the oil and gas industry to power offshore and land based drilling rigs The normal function of the horizontally mounted 5GEB22A motor is to provide power for the mud pumps and drawworks The 5GEB22D motor has an oversized shaft and is designed for belted horizontal applications such as mud pumps Motor speed is controlled by varying the frequency of the alternating current in the motor stator windings The direction of rotation of the motor rotor is changed by reversing the phase rotation in the motor stator The motor is force ventilated by a blower assembly meeting IP44 It can also be provided with a closed loop cooling system meeting IP56 4 SCHEDULED MAINTENANCE Periodic maintenance should be performed to ensure successful motor operation The following procedures de tail the procedures for Scheduled Maintenance The motor bearings do not require lubrication between overhaul intervals due to packed grease and permanen
63. nuts insulating blocks etc from the area of the brazed connection Use the knife chisel and hammer to cut the insulation Cut the insulation down to the copper the full length of the connection After cutting the insulation the full length pry the insulation away from the connection using the slip joint pliers pry bar screwdriver or knife Brazing tool heat can be used to soften the insulation for final cleaning Alternately heat the insulation and scrape off all material until reaching bare copper NOTE Use the resistance brazing machine GE Tool 41D780746 1 or equivalent and tongs GE Tool 41D780746 11 or equivalent to produce the heat necessary to separate the connection Passing current through the brazing tongs carbons and the metal to be separated produces heat 6 The area of the joint to be disconnected must be clean and free of dirt oil and insulating material such as varnish and tape WARNING Observe all government and shop safety regulations when using compressed air Failure to do so may result in injury 7 Position the brazing tong on the connection that is to be opened Keep an air supply nozzle on hand to cool parts after separation occurs The air supply also is used to cool the surrounding area by dissipating heat from the area being heated CAUTION Power is to be applied in pulses ONLY This enables the heat to spread out gradually providing a more even heating of the connection are
64. ometers to the Drive End DE 7 and Connection End CE 32 bearing caps The thermometers should be in physical contact with the bearing cap for a valid test 2 Runthe motor unloaded in the following sequence Applied waveforms should be sinusoidal The measured temperature should not exceed 100 F 55 C rise above room temperature during or at the end of the tests a Runthe motor for two minutes on 41 Hz 572 volts rms line to line The average amperage of the three phases should be between 368 and 453 rms amperes Motor rpm should be approximately 820 during the test b Run the motor for two minutes on 82 Hz 572 volts rms line to line The average amperage of the three phases should be between 130 and 150 rms amperes Motor rpm should be approximately 1640 during the test c Runthe motor for forty minutes on 61 Hz 572 volts rms line to line The average amperage of the three phases should be between 145 and 183 rms amperes Motor rom should be approximately 1220 during the test 3 Run motor overspeed test Run the motor for two minutes on 155 Hz 540 volts rms line to line Motor rpm should be between 3080 and 3090 Observe for any unusual noise or vibration 4 Run motor vibration test Run the motor on 150 Hz until the motor rpm is 3000 Measure vibration at the CE and DE bearings Vibration should not exceed 0 44 peak in sec 11 2 peak mm sec If vibration is excessive rebalance the rotor or consult the GE Transportation Represen
65. ons with the units in the mechan ical center of their end play 3 Start with the coupling next to the largest unit usually the motor or near the middle of multiple units Check the radial alignment by using a straightedge across the two hubs at vertical and horizontal Or clamp a dial indicator to one hub and use the outside diameter of the other member to give indication of the misalign ment Be sure the dial indicator supports do not bend or sag since this will give inaccurate readings The maximum variation should not exceed 0 002 inches 0 05 mm 4 Insert a feeler gage or use the dial indicator at hub faces Measure the gap between hub faces at 0 90 180 and 270 degrees and record Rotate both shafts together 90 degrees and repeatthe gap readings Continue rotation in 90 degree increments until five sets of readings are taken The fifth set of readings is a check on GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 the first set of readings to assure that data is reliable The readings should not vary by more than 0 002 inches 0 05 mm between the four readings taken at each coupling position 5 Correct the horizontal alignment by shifting frames on the base and the vertical alignment by shimming between the machines and the base 6 Repeat Steps 2 3 and 4 on each coupling working away from the motor or center unit 7 Recheckthe couplings on long sets after completing the above checks because shimming when checking subseque
66. ot oo R Mo oo N RSS THREADED HOLES SHOWN ON CENTER FOR CLARITY MAKE FROM B5C9B STEEL 250 FINISH ALL SURFACES MAKES TWO 6734764P2 PARTS 0 25 6 35 45 CHAM I 05022 0 5 12 7 FINISH MACHINE AS SHOWN REMOVE ALL SHARP EDGES MEASUREMENT IN INCHES MILLIMETERS IN PARENTHESES Figure 26 Clamp 6734764P2 Item 4 Table 12 56 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 0 0625 1 5875 0 5 13 TAP THRU 45 CHAM LOCK BLANCHARD GRI BOTH SIDES x 0 000 9 5 241 3 DIA e e jed e Kel 70 Q e oo N 202 405 0 3962 10254 ch NG RING GBOLT m 0 5 13 X 1 INCH D BOTH SIDES MAKE FROM B4A8A STEEL 250 FINISH ALL S URFACES REMOVE ALL SHARP EDGES MEASUREMENT INCHES MILLIMETERS IN PARENTHESES E 50426 Figure 27 Ring 6727124G1 Item 5 Table 12 57 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 3 5 88 9 Vr AI MICI A in l he 0 125 3 175 SAW CUT 7 75 196 85 DIA 7 0156 178 196 DIA 8 5 215 9 DIA lt ey SR N BER a om S o 59 se eoo jo qz fe Bo ear Sg Q B n 0 625 11 THREADED THRU 0 062 1 575 COUNTERSINK MAKE FROM B5C9B STEEL 4 HOLES AS SHOWN 250 FINISH ALL SURFACES ON 10 0 254 0 B C MAKES TWO 6734765P2 PARTS THREADED HOLES SHOWN ON CENTER FOR CLARITY 0 25 6 35 45
67. s Fahrenheit change will be 9 degrees The opposite would be true for Fahrenheit to Celsius change comparison every 9 F change represents 5 C change Do not add or subtract the offset 32 degrees 42 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 TABLE 7 HUB RISE TEMPERATURE IN DEGREES ABOVE SHAFT TEMPERATURE PART NUMBER OF HUB ADVANCE INCH MM TEMPERATURE RISE 493A471 120 130 3 048 3 302 387 F 215 C 41A237799 120 130 3 048 3 302 387 F 215 C 84B519250P1 110 120 2 794 3 048 387 F 215 C 6 Heat the hub in an oven until it has reached a uniform temperature the desired number of degrees above shaft temperature For example if the shaft temperature is 77 F 25 C the hub is heated to ambient 77 F 25 C heat rise 387 F 215 C 464 F 240 C hub temperature which is maximum allowable hub tem perature 7 Measure the temperature of the shaft and the hub with the same instrument An accurate method must be provided for measuring hub and shaft temperatures quickly before mounting the hub This can best be done with a hand pyrometer In using the pyrometer place point of the gauge inside the bore of the hub to obtain the fit temperature 8 Insure that the hub bore and the shaft taper are clean prior to assembling the heated hub to the rotor shaft Then using adequate hand protection quickly mount the hot hub on the shaft in the same angular position as when cold
68. st 5 5 1 1 Megohmmeter Test Perform the Megohmmeter test as described in section 4 1 5 Megohmmeter Test in this publication 29 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 5 5 1 2 High Potential Hi Pot Test WARNING High Potential Hi Pot testing is performed with high voltage electrical power Follow safety regu lations and local practices for high voltage testing Failure to do so may result in injury or death Hi Pot tests evaluate the insulation dielectric strength ability to insulate of the motor insulation systems High voltage is applied to each motor phase to test insulation to ground during the test To perform the Hi Pot test CAUTION Always perform the Megohmmeter test before Hi Pot test Damage may occur to insulation during Hi Pot testing if moisture or debris is present in the coils of the stator Failure to do so may result in permanent damage to the stator windings requiring replacement of the stator 5 6 1 Groundone lead of the RTD temperature sensor for sensor protection Do not Hi Pot the RTD during testing 2 Applythe specified high voltage at 60 Hz to each motor lead for one minute with the other lead of the Hi Pot connected to ground There should not be any significant current amperage leakage to ground during testing The voltage applied should be a Newor recoiled stator apply 3500 VAC rms b Reconditioned stator apply 2500 VAC rms c In servic
69. tative 5 Check for bearing noise Run the motor on 60 Hz 572 volts rms line to line Motor rpm should be approxi mately 1200 Checkthe DE bearing with a demodulation meter The demodulation meter should not register in excess of 1 499 6 Check for bearing noise Run the motor on 70 Hz 572 volts rms line to line Motor rpm should be approxi mately 1400 Check the CE bearing with a demodulation meter The demodulation meter should not register in excess of 1 49g 7 Perform Dielectric Test Hi Pot any stator terminal to ground at 3500 VAC rms 60 Hz for one minute Ground one lead of the RTD during the test HUB INSTALLATION Hub Fitting To prevent a hub from slipping it should have at least 75 percent fit on the shaft i e at least 75 percent of the tapered bore of the hub should be in contact with the tapered fit on the shaft Before mounting a hub check and correct the fit as follows 1 Lightly cover the bore of the hub with a blueing compound such as Prussian Blue 2 Snapthe cold hub forcefully onto the shaft 3 Markthe relative angular position of hub with respect to the shaft 10 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 Remove the hub from the shaft A convenient method of removal is by the use of two finely tapered steel wedges hardened and ground which are carefully driven between the hub and the bearing outer sleeve on the shaft IMPORTANT Inspect the taper fit of the shaft blueing of the hub bore s
70. the horizontal position and blocked to prevent rotation or movement during the assembly procedure If removed install the rotor locking collar 36 To install the collar a Heat the rotor locking collar 36 to 212 F 100 C in an oven WARNING Components heat in ovens may be hot enough to cause injury Use appropriate safety equipment and follow shop procedures for handling heated components Failure to do so may result in injury b Remove the locking collar 36 from the oven and place onto the rotor shaft Press the collar into position against the shoulder of the rotor shaft 5 C Secure the collar into position until it cools Fill the cavity of the CE inner bearing cap 35 with 2 2 oz 62 4 g of GE specification D6A2C10 grease Pack the CE bearing 34 with 5 oz 142 g of GE specification D6A2C10 grease Evenly heat the CE inner bearing cap 35 to 212 F 100 C in an oven to expand the cap s bearing fit for the CE bearing 34 Remove the inner bearing cap 35 from the oven and place onto a flat surface Press the CE bearing 34 rotor side of the bearing as shown in Figure 15 into the inner bearing cap 35 bearing fit Cover or coat the CE rotor shaft 5 running surfaces with 0 25 oz 7 g of GE specification D6A2C10 grease 31 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 9 Heat the CE inner bearing cap with the CE bearing to 212 F 100 C in an oven Remove the heated assembly
71. tly sealed bearings 13 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 NOTE In order to maintain ATEX approval only GE Transportation original parts shall be used as replace ment parts 4 1 MONTHLY SCHEDULED MAINTENANCE PROCEDURE 4 1 1 Covers Seals and Latches WARNING Hazardous voltages are present in this equipment Follow shutdown procedures to ensure power is not applied to the machine before performing any maintenance procedures Failure to do so may result in injury or death 1 Remove all power from the machine before attempting maintenance procedures 2 Clean the outside of the machine and remove the inspection covers WARNING When using compressed air for cleaning purposes flying debris and particles may present a hazard to personnel in the immediate area Personnel should be provided with and trained in the use of protective equipment as specified by applicable federal or state safety regulations Failure to do so may result in injury or death 3 Use clean dry compressed air and blow the dirt and dust from the interior of the machine 4 Check exterior covers to ensure the felt seals are intact Replace seals if missing broken deformed or hard ened 5 Install the covers into position on the machine Torque the cover bolts to 58 2 lb ft 79 2 7 Nm 4 1 2 Power Cable Inspection During inspection of the power cables and associated hardware replace any components that ar
72. to all machinery struc tures Offshore rigs with equipment fastened to the decks by bolting or welding should not require additional grounding Reference ABS Rules for Building and Classing Steel Vessels section 4 8 4 23 3 and IEEE Standard 45 2002 Recommended Practice for Electrical Installations on Shipboard section 21 4 10 1 4 5 1 4 6 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 Grounding Procedures The 5GEB22 has a ground block attached to the frame as shown in Figure 2 The mounting stud is 3 8 16 thread To attach a ground cable to the ground block 1 Obtain a 3 8 16 nut and a lockwasher Also required is a cable lug to fit the ground cable and terminal hole clearance for the 0 375 diameter stud 2 Prepare a ground conductor use appropriate size cable per National Electrical Code long enough to run from the motor frame to an existing ground conductor system or to a suitable equipment ground point as defined by the National Electrical Code Article 250 or other applicable regulation Check that the system ground detector is also connected to the Common ground point for the rig and make connection if neces sary 3 Install terminal lugs on cable Remove paint rust and oil from all surfaces to which the cables are to be attached and bolt the lugs securely to these surfaces Torque the nut to 25 lb ft 34 Nm 4 After installation protect the ground stud nut and cable lug connection from corrosion by applying
73. to the equipment must be capable of withstanding maximum temperatures of 230 F 110 C at the cable entry point No PVC type insulation is permitted 2 The equipment must be supplied continuously with at least 3000 Standard Cubic Feet per Minute SCFM 84930 SLPM of cooling air The cooling arrangements must be suitable for the area in which it is installed When fitted to the equipment the cooling arrangements must ensure that the equipment satisfies a degree of protection of at least IP44 3 RTDs supplied with the motor are to be connected to intrinsically safe circuits to meet compliance of the Ex certification for operation in a hazardous environment The protective device must be suitably certified as compliant with the European Directive 94 9 EC as a Safety Related Device These circuits are to be manually reset only and will trip stop the motor at 190 C 374 F GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 1 4 2 5GEB22 Motor Equipped with Closed Loop Cooling System When the motor is equipped with a closed loop cooling system the cooling arrangement must ensure that the equipment satisfies a degree of protection of at least IP56 The motor must be used in accordance with the duties defined in this certificate with the water cooler supplied with coolant in accordance with Table 2 TABLE 2 5GEB22 CLOSED LOOP COOLING OPTIONS 100 US gal min 378 5 liters min 33 0 C 91 4 F 100 US gal min 378 5 liters minl 37 7
74. y apply heat to dry the motor thoroughly 5 REMOVAL AND REPLACEMENT PROCEDURES The following procedures outline the overhaul process All procedures may not be required even though all are described Inspection of the components will determine the procedures necessary to return the motor to oper ation Do not order replacement parts from this publication Refer to the PARTS CATALOG for the motor for the correct replacement part number 5 1 MOTOR PREPARATION FOR SHIPMENT The drill motor must be prepared for shipment to prevent damage to components during shipping The following sections detail rotor locking procedures and packaging for shipment 16 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 Rotor Locking for Shipment The rotor must be locked in position prior to shipment to prevent damage to bearings and other components of the motor Figure 2 depicts the 5GEB22 rotor locking arrangement To lock the rotor for shipment 1 Remove two diametrically opposite bearing cap bolts and washers Item 31 Figure 15 Place the removed bearing cap bolts and washers into a bag that will be attached to the locking bolt 2 Thread 0 625 11 x 4 54 in lock bolts with jam nuts threaded onto the bolts into the bearing cap holes as shown in Figure 6 The lock bolt heads are painted yellow to distinguish the bolts as rotor locking bolts 3 Torque the rotor locking bolts to 30 lb ft 40 7 Nm To secure the locking bolts into place
75. y bearing cap part numbers C Thread a guide stud 625 11 X 10 in the inner bear cap 12 as shown in Figure 11 33 GEK 91696D 1150 HP AC Drilling Motor Model 5GEB22 d Align the inner bearing cap gasket 9 over the guide stud onto the inner bearing cap 12 as shown in Figure 10 WARNING The DE frame head weighs approximately 75 Ibs 34 kg use appropriate lifting devices for this weight Failure to do so may result in injury e Lift the DE frame head 11 with a hoist align on the guide stud and install onto the rotor shaft over the DE bearing as shown in Figure 12 The DE frame head should remain supported by the hoist until the inner bearing cap 12 the DE frame head 11 and the outer dummy bearing cap 7 are bolted together f Remove the DE bearing pilot tool 8849499P7 from the rotor shaft g Install and align the outer gasket 9 over the guide stud onto the DE frame head h Align the dummy bear cap Figure 38 6796493P3 used for assembly purposes on the guide stud and position against the DE frame head 11 i Thread four bearing cap bolts with washers 8 through the dummy bearing cap and DE frame head 11 into the inner bearing cap 12 Remove the guide stud and thread the last bearing cap bolt into position Tighten the bolts to secure the assembly together NOTE Do not assemble the remaining DE bearing assembly components until the rotor is installed in the stator frame GUIDE STUD

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