Service Manual 440 SerieS Digger MoDelS example Part
Contents
1. ESKRIDGE SERVICE MANUAL 440 SERIES DIGGER MODELS Example Part Number SRF Motor Motor Model Ratio Shaft Bail Boss Supplier Number Cover Input THIS SERVICE MANUAL IS EFFECTIVE NOTE Individual customer specifications spindle S N 110000 TO CURRENT mounting sprocket pilot brake assembly etc may vary from exploded drawing and standard part num bers shown If applicable refer to customer drawing DATE 3 2013 TO CURRENT VERSION SMD44047 44F102C7 i for details Exploded View Drawing 44047 44F102C7 skridge EFFECTIVE FROM 02 01 2013 TO PRESENT PARTS LIST FOR 44047 44F102C7 GROUP ITEM QTY PART NUMBER DESCRIPTION 1 1 42 004 3022 BASE 2 1 42 004 4102 D440 SHAFT 4 SQUARE 3 1 42 004 2012 COVER 440 SAE C 4 1 42 004 1614 INPUT GEAR 5 2 1 42 005 0141 CARRIER ASSEMBLY SECONDARY 5A 1 42004 1392 CARRIER SEC 5B 3 42 004 1242 PLANET GEAR SEC 440 6 19 1 5C 3 42 004 1332 PLANET SHAFT SEC 440 5D 120 01 106 0040 PLANET ROLLER 5E 6 42 004 1362 WASHER PRI amp SEC PLANET 440 5F 3 01 153 0220 ROLL PIN 5M 9 42 004 1352 SPACER LOOSE ROLLER 440 5N 1 01 160 0680 RETAINING RING SMALLEY VS 412 6 1 42 004 1292 SUN GEAR 7 1 42 005 0121 CARRIER ASSEMBLY PRIMARY 7A 1 42 004 122. Remove the shaft seal 16A from the shaft for replacement Inspect inner and outer bearing cups 20B amp 20D If cups are damaged drive them out using a brass drift and utilizing the bearing knock out notches in the base 1 Reassembly Clean all foreign material from magnetic oil plugs 30A lo cated in the base 1 Place base 1 output side up opposite shown on the ta ble Apply a layer of lithium or general purpose bearing grease to the roller contact surface of outer bearing cup 20B Press outer bearing cone 20A large end down as shown onto the output shaft 2 until it seats against the shoulder Note Press bearing cone onto output shaft by pressing on in ner race only DO NOT press on roller cage as it may damage bearing Place the shaft 2 with the bearing cone 20A into the base 1 Flip this assembly resting the base 1 on the end of the out put shaft 2 Apply a layer of lithium or general purpose bearing grease to the roller contact surface of the inner cup 20D Press the inner bearing cone 20C large end up as shown onto the shaft 2 until it is seated against inner bearing cup 20D Without the shaft seal 16A installed the preload may result in a rolling torque that varies between 50 to 300 in lb The bearing preload should be tailored to your application a low speed application may require a high pre load high speed applications usually benefit from low pre load Adding
3. 7A 7B 7C 7D 7E 7F 7H amp 7M Disassembly Rotate planet gears 7B to check for abnormal noise or roughness in rollers 7D or planet shafts 7C If further inspection or replacement is required proceed as follows Drive roll pins 7F completely into the planet shafts 7C Slide planet shafts 7C out of carrier 7A Remove planet gears 7B thrust washers 7E spacers 7M and rollers 7D from the carrier 7A Inspect the planet gear 7B bearing bores planet shafts 7C and rollers 7D Check for spalling bruising or other damage Replace components as necessary rollers should be replaced only as a set of 20 Check planet shafts 7C for any abnormal wear espe cially ones where rollers 7D needed to be replaced If any abnormal wear is found replace planet shafts Use 3 16 inch pin punch to remove roll pins 7F from planet shafts 7C NOTE If either the rollers or the planet shafts pins are damaged both components should be replaced 1 Reassembly To install rollers in planet gear bore a Setthrust washer 7E on work table Insert planet shaft 7C in washer Slide spacer 7M over shaft b Place planet gear 7B centered over planet shaft 7C c Install 20 rollers 7D into planet gear 7B bore Slide spacer 7M over planet shaft and rest on top of rollers Slide thrust washer 7E onto planet shaft and rest on top of planet gear d Slide this assembly off the work
4. shims 35A will increase the pre load on the bearing set Deter mine your pre load requirement and install shims to obtain this pre load Install the Load N Lock split ring segments 35B over the shims 35A and into the groove in the shaft 2 Install the lock ring 35C over the split ring segments 35B Lubricate inner lip of new shaft seal 16A and slide it onto the shaft 2 and over the shaft seal diameter then press the seal into the base 1 until flush All subassembly service or repairs should be complete at this time Continue to Unit Assembly to complete unit buildup 4 Unit Assembly When all subassemblies are complete the unit is ready to be assembled Install the secondary carrier assembly 5 onto the output shaft 2 align the splines of the carrier 5A with the splines of the output shaft and slide the carrier onto the output shaft Install retaining ring 5N into the groove of the output shaft 2 using a spiraling motion Lubricate o ring 16B and install on the pilot of the secondary ring gear 12A Caution Hold ring gear by outside or use lifting device to pre vent injury 5 6 11 12 13 14 15 16 17 Install secondary sun gear 6 into secondary carrier assem bly 5 Align gear teeth of secondary ring gear 12A with the gear teeth of the secondary planet gears 5B and place on base 1 Align mounting holes of ring gear with holes in base Use the
5. to aid in the proper positioning of pieces during reassembly Remove magnetic drain plugs 30A and drain oil from unit The oil will drain faster and more completely if warm Remove the twenty hex head capscrews 25B and lockwashers 25H Separate bail 35F from cover 3 and remove from digger assembly Remove hex head capscrews 25A and lockwashers 25G and remove motor 50 from cover 3 Remove cover 3 thrust bearing 14G amp 14L and input gear 4 Inspect o ring 16B discard if damaged or deformed Using a screwdriver seal pick or similar tool remove the retaining ring 7H which retains the primary carrier assembly 7 to the secondary sun gear 6 The retaining ring can be left in the carrier Lift primary carrier assembly out of the unit Remove secondary sun gear 6 and primary ring gear 12B and inspect o ring 16B discard if damaged Using a screwdriver seal pick or similar tool remove the retaining ring 5N which retains the secondary carrier assembly 5 to the output shaft 2 The retaining ring can be left in the carrier Lift secondary carrier assembly out of the unit Remove secondary ring gear 12A Inspect o ring 16B discard if damaged or deformed The unit is now separated into subassemblies The area s requiring repair should be identified by thorough inspection of the individual components after they have been cleaned and dried 7 Primary Carrier Subassembly Items
6. 04 1020 MOTOR NUMBER OF SHIMS DEPENDANT UPON DESIRED BEARING PRELOAD X44047 44F102C7aa 02 12 13 ECN HWP Model D440 service manual SMD44047 44F102C7 Page 2 Eskridge Inc Olathe KS 913 782 1238 www eskridgeinc com LUBRICATION amp MAINTENANCE Using the chart below determine an appropriate lubricant viscosity Use only EP extreme pressure or API GL 5 designated lubricants Change the lubricant after the first 50 hours of operation and at 500 hour intervals thereafter The auger drive should be partially disas sembled to inspect gears and bearings at 1000 hour intervals Recommended ambient and operating temperatures for conventional and synthetic gear lubricants 50 25 0 25 50 75 100 125 150 175 200 225 250 F 80W90 conventional 75W90 conventional 85W140 conventional Min Ambient operating temp Max Ambient temp Max Operating temp 75W90 synthetic 80W140 synthetic 45 32 18 4 10 24 38 52 66 79 93 107 121C Note Ambient temperature is the air temperature measured in the immediate vicinity of the gearbox A gearbox exposed to the direct rays of the sun or other radiant heat sources will operate at higher temperatures and therefore must be given special consideration The max operating temp must not be exceeded under any circumstances regardless of ambient temperature If your unit was specified shaft up or with a Z option a grease zerk was provided in the base housing For shaft up operation t
7. 82 CARRIER PRI 7 59 1 440 7B 3 42 004 1272 PLANET GEAR PRI 440 7 59 1 7C 3 42 004 1342 PLANET SHAFT PRI 440 7D 60 01 106 0040 PLANET ROLLER JE 6 42 004 1362 THRUST WASHER 7F 3 01 153 0220 ROLL PIN 7M 6 42 004 1352 SPACER LOOSE ROLLER 440 7H 1 01 160 0690 RETAINING RING SUN SMALLEY VS 337 12 7 RING GEARS 12A 1 42 004 1032 RING GEAR SEC 440 12B 1 42 004 1042 RING GEAR PRI 440 14 i THRUST WASHERS amp BEARINGS 14G 2 01 112 0400 THRUST WASHER 14L 1 01 112 0410 THRUST BEARING 16 1 42 016 2011 SEAL KIT 16A 1 01 405 0770 OUTPUT SHAFT SEAL 16B 3 01 402 0840 O RING PARKER 280 17 1 01 402 0010 O RING 20 ig k OUTPUT SHAFT BEARINGS 20A 3 01 102 0290 BEARING CONE 20B 3 01 103 0290 BEARING CUP 20C 1 01 102 0280 BEARING CONE 20D 1 01 103 0280 BEARING CUP 25 s HARDWARE 25A 4 01 150 0090 HHCS 1 2 13 X 1 5 25B 20 01 150 1950 HHCS 5 8 11 X 9 5 25G 4 01 166 0030 1 2 LOCKWASHER 25H 20 01 166 0040 LOCKWASHER 5 8 ZINC PLATED 30 h i PLUGS AND FITTINGS 30A 3 01 207 0100 PIPE PLUG 3 4 NPT MAGNETIC 30B 1 01 207 0020 PIPE PLUG 1 4 NPT HOLLOW HEX 30C 2 01 208 0030 HOLLOW HEX PLUG 05HP 12 35 3 k MISCELLANEOUS 35A x 42 004 1202 SHIM OUTPUT SHAFT 440 35B 1 42 004 1222 SPLIT RING 440 35C 1 42 004 1212 LOCK RING 440 35D 2 01 201 0776 ADAPTER 16JIC X 12SF 90 35E 2 01 201 0775 SPLIT FLANGE KIT 35F 1 42 005 0171 BAIL ASSEMBLY 50 1 01 3
8. e twenty 5 8 11 hex head capscrews 25B with lockwashers 25H Torque the capscrews to 220 ft lbs dry or 170 ft lbs if fasteners are lubricated Fill the unit to the proper level as specified with GL5 EP 80 90 gear oil after it is sealed with a brake and or motor The digger is now ready to use Model D440 service manual SMD44047 44F102C7 Page 6 Eskridge Inc Olathe KS 913 782 1238 www eskridgeinc com
9. epeat for other planet gears 7B Place retaining ring 7H in center of carrier before installing last planet gear Secondary Carrier Subassembly Items 5A 5B 5C 5D 5E 5F 5M 5N Disassembly Rotate planet gears 5B to check for abnormal noise or roughness in rollers 5D or planet shafts 5C If further inspection or replacement is required proceed as follows shafts 5C damaged both components should be replaced Reassembly 1 _ To install rollers in planet gear bore a Set thrust washer 5E on work table Insert planet shaft 5C in washer Slide spacer 5M over shaft Eskridge Inc Olathe KS 913 782 1238 b Place planet gear 5B centered over planet shaft 5C c Install 20 rollers 5D into planet gear 5B bore Slide spacer 5M over planet shaft and rest on top of first row of rollers d Install another 20 rollers 5D into planet gear 5B bore Slide another spacer 5M over planet shaft 5C and rest on top of second row of rollers Slide thrust washer 5E onto planet shaft and rest on top of planet gear e Slide this assembly off the table holding the lower thrust washer 5E and planet gear 5B f Carefully remove planet shaft 5C from this assembly and slide the gear 5B with rollers 5D thrust wash ers 5E and spacers 5M into place in the carrier Carefully install planet shafts 5C with chamfered end of 3 16 inch hole toward outside diameter of the car
10. he output bearing will not run in oil and must be grease lubricated Use a lithium based or general purpose bearing grease sparingly every 50 operating hours or at regular maintenance intervals Over greasing the output bearing should be avoided as it tends to fill the housing with grease and thicken the oil ESKRIDGE MODEL D440 OIL CAPACITIES Operating Position Oil Capacity Oil Level Single stage Double stage Triple stage i gt Horizontal Shaft To horizontal centerline of auger drive iy Vertical Shaft Pinion Down 2 75 Gal 10 4 L 3 To midway on upper igi primary gear set WARNING While working on this equipment use safe lifting procedures wear adequate clothing and wear hearing eye and respiratory protection ESKRIDGE PART NUMBER INTERPRETATION Note All non custom Eskridge Geardrives are issued a descriptive part number which includes information regard ing the Model means of shaft retention base style shaft style input mounting input shaft size overall ratio and various available options For a detailed breakdown of this information please refer to Eskridge product specifica tion sheets found at http www eskridgeinc com diggers diggerprodspecs html Model D440 service manual SMD44047 44F102C7 Page 3 Eskridge Inc Olathe KS 913 782 1238 www eskridgeinc com 10 11 Unit Disassembly Procedure Scribe a diagonal line across the outside of the unit from the bail 35F to the base 1 before disassembly
11. rier 5A This will aid in alignment of holes while inserting roll pins 5F Rotating planet shaft back and forth while sliding it into carrier will help align rollers 5D Drive a roll pin 5F through the carrier 5A hole and into the planet shaft 5C to retain the parts Repeat for other planet gears 5B Place retaining ring 5N in center of car rier before installing last planet gear Base Subassembly Items 1 2 16A 20A 20B 20C 20D 30A 30B 35A 35B 35C Disassembly Remove the lock ring 35C using a heel bar or puller if using a heel bar be sure not to pry against the cage of the inner output shaft bearing 20C Remove the split ring segments 35B and shims 35A Caution Since the output shaft is no longer retained care should be taken to avoid personal injury Care should also be taken not to damage it when it is pressed through base Model D440 service manual SMD44047 44F102C7 Page 5 www eskridgeinc com Base 1 should be set pinion side down as shown on a plate or table Press output shaft 2 through the bottom of base by applying a load to top end internal end of shaft until it passes through inner shaft bearing cone 20C Note Removing the shaft from the base assembly damages the shaft seal and the seal will need to be replaced 3 A gear puller may be used to remove the outer bearing cone 20A from the shaft 2 If reusing old bearing cone do not pull on or damage roller cage
12. scribed line made during disassembly for reference Install the primary carrier assembly 7 onto secondary sun gear 6 align the splines of the carrier 7A with the splines of the secondary sun gear and slide the carrier onto the sun gear Install retaining ring 7H into secondary sun gear groove us ing a spiraling motion Lubricate o ring 16B and install on the pilot of the primary ring gear 12B Align gear teeth of primary ring gear 12B with those of the primary planet gears 7B and place on sec ondary ring gear 12A Align mounting holes of ring gear with holes in base 1 Use the scribed line made during disassembly for reference Install the input gear 4 into primary carrier assembly 7 Install thrust bearing 14G amp 14L on top of input gear Lubricate o ring 16B and install on the pilot of the cover 3 Noting the scribed line made during disassembly install the cover 3 Temporarily install two hex head capscrews 25B to hold assembly together Ensure the unit spins freely by using a splined shaft to drive the input gear 4 Install motor 50 onto cover 3 with hex head capscrews 25A and lockwashers 25G Torque the capscrews to 110 ft lbs dry or 80 ft lbs if fasteners are lubricated Remove two temporary capscrews installed in step 13 Place bail 35F onto assembly aligning holes in bail and cover us ing scribed line made during disassembly as a reference In stall and torque th
13. table holding the lower thrust washer 7E and planet gear 7B e Carefully remove planet shaft 7C from this assembly and slide the gear 7B with rollers 7D thrust washers Model D440 service manual SMD44047 44F102C7 Page 4 Eskridge Inc Olathe KS 913 782 1238 www eskridgeinc com 2 Drive roll pins 5F completely into the planet shafts 5C 3 Slide planet shafts 5C out of carrier 5A 4 Remove planet gears 5B thrust washers 5E spacers 5M and rollers 5D from the carrier 5A 5 Inspect the planet gear 5B bearing bores planet shafts 5C and rollers 5D Check for spalling bruising or other damage Replace components as necessary rollers should be replaced only as a set of 40 6 Check planet shafts 5C for any abnormal wear espe cially ones where rollers 5D needed to be replaced If any abnormal wear is found replace planet shafts 7 Use 3 16 inch pin punch to remove roll pins 5F from planet NOTE If either the rollers or the planet shafts pins are 7E and spacers 7M into place in the carrier Carefully install planet shafts 7C with chamfered end of 3 16 inch hole toward outside diameter of the carrier 7A This will aid in alignment of holes while inserting roll pins 7F Rotating planet shaft back and forth while sliding it into carrier will help align rollers 7D Drive a roll pin 7F through the carrier 7A hole and into the planet shaft 7C to retain the parts R
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