Hyster A274, Service & Repair Manual

Page 1: ...Hyster A274 H50CT Forklift Service Repair Manual...

Page 2: ...DRIVE AXLE AND DIFFERENTIAL ASSEMBLY REPAIR S50CT A267 H2 0 2 5CT H50CT A274 PART NO 4014306 1400 SRM 1426...

Page 3: ...cifications of the original equipment manufacturer Make sure all nuts bolts snap rings and other fastening devices are removed before using force to remove parts Always fasten a DO NOT OPERATE tag to...

Page 4: ...ing 19 Differential Assembly Cover 20 Drive Axle Center Section 21 Clean and Inspect 22 Assemble 23 Drive Axle Center Section 23 Differential Assembly Cover 25 Drop Box Housing 26 Differential Assembl...

Page 5: ...THE QUALITY KEEPERS HYSTER APPROVED PARTS...

Page 6: ...ore information Please click here Then get the complete manual NOTE If there is no response to click on the link above please download the PDF document first and then click on it Have any questions pl...

Page 7: ...and differential assembly IDENTIFICATION PLATE There is an identification plate located on the differ ential assembly cover See Figure 1 A FRONT OF TRUCK B REAR OF TRUCK 1 SERIAL NUMBER 2 DATE 3 IDEN...

Page 8: ...bed in section Mast Repair 4000 SRM 1431 CAUTION Disposal of lubricants and fluids must meet lo cal environmental regulations 4 Remove oil drain plug and drain oil from drive axle into a suitable cont...

Page 9: ...transmission isolator mounting bolt from transmission mounting bracket located on top of drive axle assembly See Figure 7 12 Remove four drive axle mounting capscrews from hanger assembly See Figure 4...

Page 10: ...9 ROLLER BEARING 10 INNER SEAL 11 INNER BEARING 12 OUTER SEAL 13 WEAR SLEEVE 14 BRAKE ASSEMBLY 15 LEFT BRAKE LINE 16 DRIVE AXLE MOUNTING CAPSCREW 17 DRIVE AXLE MOUNTING NUT 18 DIFFERENTIAL COVER 19 R...

Page 11: ...6 to 90 to 99 N m 66 to 73 lbf ft Repeat step for opposite side Figure 6 Hanger Assembly Tightening Sequence NOTE Apply Loctite 515 or High Performance RTV Silicone Gasket Maker on the drive axle sha...

Page 12: ...age for damage before use When adding air use a clip on chuck with enough hose to let the operator stand clear of the cage NOTE When tightening the wheel nuts DO NOT use any lubricant on the studs or...

Page 13: ...on Mast Repair 4000 SRM 1431 18 Raise lift truck and remove blocks from under frame and counterweight Lower lift truck 19 Remove blocks on each side front and back of steering tires 20 Operate lift tr...

Page 14: ...ve Axle Center Section Assembly STEP 1 Using a retainer ring special tool Hyster Part No 1663599 loosen the differential retainer rings If necessary loosen retainer ring capscrews to allow the retaine...

Page 15: ...emove differential assembly cover 1 DIFFERENTIAL ASSEMBLY COVER CAPSCREWS 2 DIFFERENTIAL ASSEMBLY COVER 3 DIFFERENTIAL ASSEMBLY 4 DRIVE AXLE CENTER SECTION STEP 3 Remove differential assembly from dri...

Page 16: ...OVER 4 PINION NUT 5 DRIVE AXLE CENTER SECTION CAUTION When removing the pinion nut make sure the staked areas do not touch the pinion threads The staked areas can cause damage to the pinion threads ma...

Page 17: ...move input shaft yoke oil seal and dust cover from drop box housing 1 INPUT SHAFT YOKE 2 DUST COVER 3 OIL SEAL STEP 4 Remove capscrews and washers from the drop box housing 1 CAPSCREW 2 WASHER 3 DROP...

Page 18: ...ternately until drop box housing can be removed If the capscrews do not have enough threaded length use a pry bar to finish removing the housing STEP 6 Remove outer tapered bearing from drop box hous...

Page 19: ...axle center section Using a press and bearing puller remove inner shims and inner tapered roller bearing from pinion shaft assembly 1 INNER TAPERED ROLLER BEARING 2 INNER SHIMS 3 PINION SHAFT 4 DRIVE...

Page 20: ...emove the outer tapered roller bearing cup from drop box housing 1 OUTER TAPERED ROLLER BEARING CUP 2 DROP BOX HOUSING STEP 10 Using a suitable soft drift remove the pinion inner tapered roller bearin...

Page 21: ...s Using a suitable bearing puller remove the tapered roller bearings from the differential assembly 1 BEARING CUP 2 TAPERED ROLLER BEARING 3 DIFFERENTIAL ASSEMBLY STEP 2 Remove the capscrews and hypoi...