Service Manual 440 SerieS Digger MoDelS example Part
Contents
1. ESKRIDGE SERVICE MANUAL 440 SERIES DIGGER MODELS Example Part Number ICG CSIC ICG Motor Motor Model Ratio Shaft Bail Boss Supplier N mber Cover Input THIS SERVICE MANUAL IS EFFECTIVE NOTE Individual customer specifications spindle S N 70000 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 for details DATE 5 2006 TO CURRENT VERSION SMD44081 44F95D9 Exploded View Drawing skridge 44081 44F95D9 MODEL 44081 44F95D9 DIGGER S OUTPUT SHAFT 4 SQUARE PLANET GEAR PLANET SHAFT PLANET ROLLER THRUST WASHER ROLLER SPACER WASHER SUN GEARS 1 1 CARRIER ASSEMBLY STAGE 2 CARRIER PLANET GEAR PLANET SHAFT PLANET ROLLER THRUST WASHER ROLLER SPACER WASHER ROLL PIN RING GEARS e CARRIER ASSEMBLY STAGE 3 CARRIER PLANET GEAR PLANET SHAFT PLANET ROLLER THRUST WASHER arr 0 1 153 0220 THRUST WASHERS amp BEARINGS THRUST BEARING 01 112 0500 CARRIER THRUST WASHER STAGE 1 _ 25 004 1132 CASE THRUST WASHER STAGE 1 25 004 1752 SEALS amp O RINGS O RING STAGE 1 01 402 0020 O RING STAGES 2 amp 3 01 402 0840 __ OUTPUT SHAFT SEAL 01 405 0770 OUTPUT SHAFT BEARINGS 1 102 0290 1 103 0280 HARDWARE HEX CAP SCREW 5 8 11 UNC 9 5 01 150 1950 HEX CAP SCREW 5 8 11 UNC 4 0 01 150 1880 5 8 HELICAL SPRING LOCK WASHER __ 04 166 0040 PLUGS ZERK HOLLOW2. HEXPLUG 12SAE______ 01 208 0030 _ PIPE PLUG 3 4 NPT MAGNETIC ____ 01 207 0100 PIPE PLUG 1 4 NPT f07 207 0020 MISCELLANEOUS STAGE 1 RING ADAPTER BAIL ASSEMBLY SHIM LOCK RING SPLIT RING L SEGMENT 425 42 004 1222 SUN GEAR RETAINGING RING STAGE 2 01 160 0740 SUN GEAR RETAINGING RING STAGE 3 01 160 0690 MOTOR 01 304 0950 X44081 44F95D9ab 03 22 10 HWP Model D440 service manual SM 44081 44F95D9 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
3. Load N Lock segments 15E over the shims 15C and into the groove in the shaft 2 Finally install the lock ring 15D over the segments 15E 9 Lubricate inner lip of new shaft seal 11C and slide it onto the shaft 2 and over the shaft seal diameter then press the seal into the base bore 1 All subassembly service or repairs should be complete at this time Continue to Unit Assembly to complete unit buildup Unit Assembly 1 _ When all subassemblies are complete the unit is ready to be assembled 2 Install the Stage III carrier assembly onto the output shaft align the splines of the carrier 9A with the splines of the shaft 2 and slide the carrier onto the shaft 3 _ Install the retaining ring 15H onto the groove of the shaft 2 using a spiraling motion 4 Lubricate o ring 11B and install on the pilot of the Stage Ill ring gear 8C Caution Hold ring gear by outside or use lifting device to pre vent injury 5 Install Stage IIl sun gear 6B into Stage III carrier assembly 6 Align gear teeth of ring gear 8C with the gear teeth of the planet gears 9B and place on base Align mounting holes of ring gear with holes in base Using the scribed line made during disassembly for reference 7 Slide Stage II carrier 7A onto Stage Ill sun gear 6B then install retaining ring 15G onto sun gear groove using a spi raling motion 8 Lubricate o ring 11B and install on the pilot of the Stage
4. out of the unit 7 12 Remove the Stage II ring gear 8B Inspect o ring 11B as before discard if damaged 13 Using a screwdriver seal pick or similar tool remove the retaining ring 15H which retains the Stage III planet carrier to the output shaft The retaining ring can be left in the carrier but must be removed from the groove 14 With a suitable lifting apparatus and a hoist lift the Stage III planetary assembly out of the unit 9 15 Remove Stage Ill ring gear 8C Inspect o ring 11B as before discard if damaged or deformed 16 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 Stage Carrier Subassembly Items 5A 5B 5C 5D 5E 5F amp 5G Disassembly 1 Rotate planet gears 5B to check for abnormal noise or roughness in bearings 5D or planet shafts 5C If further inspection or replacement is required proceed as follows NOTE Support only the carrier 5A while pressing out planet shafts 2 Drive roll pins 5G completely into the planet shafts 5C 3 Press or drive planet shafts 5C out of carrier 5A 4 Remove planet gears 5B and thrust washers 5E from the carrier 5A 5 Inspect the planet gear 5B bearing bore planet shaft 5C and rollers 5D Check for spalling bruising or other damage Replace components as necessary
5. Il ring gear 8B 9 Align gear teeth of ring gear 8B with those of the planet gears and place on Stage Ill ring gear Align mounting holes of ring gear with holes in base Use the scribed line made during disassembly for reference 9 Lubricate o ring 11B and install on the pilot of the Stage ring gear adaptor 15A 10 Noting the scribed line made during disassembly install the 11 12 13 15 16 17 18 19 20 21 Stage gear adapter 15A and temporally install two fasten ers 13A to hold assembly together Install the Stage II input gear 6A and Stage carrier assem bly 5 onto the Stage II input gear Place retaining ring 15F onto sun gear groove using a spiraling motion Align gear teeth of ring gear 8A with the gear teeth of the plan et gears 5B and place on ring adaptor Align mounting holes of ring gear with holes in base Using the scribed line made during disassembly for reference Install the input gear 4 then thrust bearings in the following order onto the input gear carrier thrust washer 10D case thrust washer 10E one thrust washer 10B thrust bearing 10C one thrust washer 10B and thrust spacer 10A Lubricate o ring 11A and install on the pilot of the cover 3 Noting the scribed line made during disassembly install the cover 3 Install and torque the 20 5 8 11 hex head cap screws 13B with lockwashers 13C The torque for the cap scre
6. Olathe KS 913 782 1238 www eskridgeinc com 2 Place the spiral wound retaining ring 15H in the depression at the center of the carrier 9A in preparation for installation onto the output shaft 2 3 Install rollers in gear as follows a Set planet washer 9E on work table with planet gear 9B centered on top of washer Center the planet wash er and the planet gear as closely as possible b Slide a spacer 9F over the planet shaft c Center the planet shaft 9C in the planet gear 9B bearing bore d Begin placing rollers 9D around the shaft 9C There should be clearance for the last roller to slide in Be sure to install 20 rollers per row in the planet gear 9D e Slide a spacer 9F over the first row of rollers 9D f _ Place a second row of rollers 9D around the planet shaft 9C as before g Slide a spacer 9F over the second row of rollers 9D h Place a washer 9E over the gear 9B onto the shaft 9C i Carefully slide the assembly off the table holding the lower planet washer 9E and planet gear 9B j Slide the planet shaft 9C out of the assembly and slide the assembly into the carrier 9A k Align the planet gear bearing assembly inside the carrier and install the planet shaft through the entire assembly 4 Planet shafts 9C should be installed with the chamfered end of the 3 16 inch hole towards the outside diameter of the carrier 9C This will aid in alignme
7. agnetic oil plug 14C locat ed on the side of the base 1 2 Place base 1 output side up opposite shown on the ta ble 3 Apply a layer of lithium or general purpose bearing grease to the roller contact surface of outer bearing cup 12A 4 Press outer bearing cone 12B large end down as shown onto the shaft 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 Model D440 service manual SM4408144F95D9Page 6 Eskridge Inc Olathe KS 913 782 1238 www eskridgeinc com 5 Place the shaft 2 with the bearing 12A into the base 1 6 Flip this assembly resting the base 1 on the end of the out put shaft 2 7 Apply a layer of lithium or general purpose bearing grease to the roller contact surface of the inner cup 12D Press the inner bearing cone 12C large end up as shown onto the shaft 2 until it is seated against inner bearing cup 12D 8 Without the shaft seal 11C 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 shims 15C 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
8. ecifica tion sheets found at http www eskridgeinc com diggers diggerprodspecs html Model D440 service manual SM 44081 44F95D9 Page 3 Eskridge Inc Olathe KS 913 782 1238 www eskridgeinc com Unit Disassembly Procedure 1 Scribe a diagonal line across the outside of the unit from the bail 15B to the base 1 before disassembly to aid in the proper positioning of pieces during reassembly 2 Remove magnetic drain plugs 14B and drain oil from unit The oil will drain out faster and more completely if warm 3 Remove the twenty hex head capscrews 13A and lockwashers 13C 4 Separate bail 15B from ring gear adapter 15A and remove from digger assembly 5 Install two hex head capscrews 13A into ring gear adaptor 15A to retain gearbox assembly together 6 Remove motor 16 from cover 3 7 Remove the twenty hex head capscrews 13B and lock washers 13C 8 Remove cover 3 thrust bearings 10A 10B 10C 10D amp 10E remove input gear 4 Inspect o ring 11A discard if damaged or deformed 9 Remove retaining ring 15F from stage Il sun gear Lift Stage planet carrier assembly out of the unit 5 Remove ring gear 8A and inspect o ring 11A discard if damaged or deformed 10 Remove two hex head capscrews 13A and ring gear adapter 15A Inspect o ring 11B as before discard if damaged 11 Remove retaining ring 15G from stage Ill sun gear Lift the Stage Il planet carrier assembly
9. isassembly Rotate planet gears 7B to check for abnormal noise or roughness in bearings 7D If further inspection or replace ment is required proceed as follows Drive roll pins 7G completely into the planet shafts 7C Slide planet shafts 7C out of carrier 7A Remove planet gears 7B washers 7E and rollers 7D from carrier 7A Inspect the planet gear 7B bearing bore planet shaft 7C and rollers 7D Check for spalling bruising or other dam age Replace components as necessary rollers should be replaced only as a set of 20 Remove roll pins 7G from primary planet shafts 7C using a 3 16 inch pin punch Reassembly Rebuild primary planet carrier assembly in reverse order using any needed new parts Install rollers in gear as follows a Set planet washer 7E on work table with planet gear 7B positioned on top of washer Center the planet washer to the planet gear as closely as possible b Center the planet shaft 7C in the planet gear 7B bear ing bore Install roller spacer 7F onto planet shaft c Begin placing rollers 7D around the shaft 7C There should be clearance for the last roller to slide in Be sure to install 20 rollers in each planet gear d Place spacer washer 7F onto planet shaft e Place a washer over the gear 7E onto the shaft 7C f Carefully slide the assembly off the table holding the lower planet washer 7E and planet gear 7B g Slide the plane
10. nt of holes while inserting roll pins 9G 5 _ Drive roll pin 9G through the carrier hole and into the planet shaft to retain the parts Repeat for the other planet gears Base Subassembly Items 1 2 11C 12A 12B 12C 12D 14B 14C 15C 15D amp 15E Disassembly 1 Remove the lock ring 15D 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 12C Remove the split ring segments 15E and shims 15C 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 2 Base 1 should be set pinion side down as shown on a plate or table Press output shaft through the bottom of base by ap plying a load to top end internal end of shaft until it passes through inner shaft bearing cone 12C 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 12A from the shaft 2 If reusing old bearing cone do not pull on or damage roller cage Remove the shaft seal 11C from the shaft for replacement 4 Inspect inner and outer bearing cups 12B amp 12D If cups are damaged drive them out using a brass drift and utilizing the bearing knock out notches in the base 1 Reassembly 1 Clean all foreign material from m
11. 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 the 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 4 4 GAL 16 8 liters 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 sp
12. rollers should be replaced only as a set of 12 6 Check primary planet shafts 5C for any abnormal wear especially ones where bearings needed to be replaced If any abnormal wear is found replace planet shafts 7 Use 3 16 inch pin punch to remove roll pins 5G from planet shafts 5C NOTE If either the rollers or the planet shafts pins are damaged both components should be replaced Reassembly 1 _ To install rollers in planet gear bore a Setplanet washer 5E on work table insert planet shaft in washer then slide one spacer 5F over shaft 5C b Place planet gear 5B centered over planet shaft 5C c Install tweleve rollers into planet gear bore Slide two spacers 5E onto planet shaft slide planet washer 5F onto planet shaft 5C d Carefully remove planet shaft from this assembly and move the gear with bearings and washers to the carrier e Slide the gear into place Oriented as shown 2 Planet shafts 5C should be installed with chamfered end of Model D440 service manual SM4408144F95D9Page 4 Eskridge Inc Olathe KS 913 782 1238 www eskridgeinc com 3 16 inch hole toward outside diameter of the carrier 5A This will aid in alignment of holes while inserting roll pins 5G Drive a roll pin 5G through the carrier hole and into the planet shaft to retain the parts Repeat for other planet gears Stage Il Carrier Subassembly Items 7A 7B 7C 7D 7E 7F amp 7G D
13. t shaft 7C out of the assembly and slide the assembly into the carrier 1 h Align the planet gear bearing assembly inside the carrier and install the planet shaft through the entire assembly Planet shafts 7C should be installed with the chamfered end of the 3 16 inch hole towards the outside diameter of the carrier 7A this will aid in alignment of holes while inserting roll pins 7G Drive roll pin 7G into the carrier hole and into the planet shaft to retain the parts Repeat for remaining planet gears Stage Ill Carrier Subassembly Items 9A 9B 9C 9D 9E 9F 9G amp 15H Disassembly Rotate planet gears 9B to check for abnormal noise or roughness in bearings 9D If further inspection or replace ment is required proceed as follows Drive roll pins 9G completely into the planet shafts 9C Slide planet shafts 9C out of carrier 9A Remove planet gears 9B washers 9E spacers 9F and rollers 9D from carrier 9A Inspect the planet gear 9B bearing bore and planet shaft 9C and rollers 9D Check for spalling bruising or other damage Replace components as necessary rollers should be replaced only as a set of 40 2 rows of 20 Remove roll pins 9G from secondary planet shafts 9C using a 3 16 inch pin punch Reassembly Rebuild Stage III planet carrier assembly in reverse order using any needed new parts Model D440 service manual SM4408144F95D9Page 5 Eskridge Inc
14. ws 220 ft lb dry 170 ft lb if the fasteners are lubricated Ensure the unit spins freely by using a splined shaft to drive the input gear 4 Install motor 16 onto cover 3B and align motor shifting mechanism with bail relief hole Install motor fasteners Remove two temporally fasteners installed in step 10 Place bail 15B onto assembly and aligning holes in bail and cover using scribed line made during disassembly as a reference Install and torque the 20 5 8 11 hex head capscrews 13A with lockwashers 13C The torque for the capscrews is 220 ft lbs dry 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 SM4408144F95D9Page 7 Eskridge Inc Olathe KS 913 782 1238 www eskridgeinc com
Download Pdf Manuals
Related Search