Section 2 · Pages 23–156 (134 pages)

Rear Axle

From the 1952–1954 GMC Truck Models 620–980 Maintenance Manual

The longest group: general rear axle maintenance, cleaning, inspection and housing checks, gear tooth contact and pinion setting with gauge J-5341, then overhaul of each axle by make and type. It covers Timken and Eaton single and double reduction axles, Timken and Eaton tandem axles with differential lock mechanisms and torque divider, Timken worm axles, Eaton and Timken 2-speed axles with electric shift, a vehicle model and axle application chart, and rear axle specifications.

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What this section covers

  • General rear axle information and housing check
  • Pinion setting gauge and gear tooth contact
  • Timken R100 and Eaton 1790/1890 single reduction
  • Timken R200/U200 and Eaton 2695-96 double reduction
  • Timken SD3020, SFD4600, SLDD and SFDD-3020 tandems with differential lock
  • Eaton 28M tandem bevel with torque divider
  • Timken SW3010, SW3020, SW456 and SW3458 worm axles
  • Eaton and Timken 2-speed axles and electrical shift
Year
1952, 1953, 1954
Make
GMC
Vehicle
Heavy Duty Trucks, Trucks
Type
Service Manual
Models
Series 620, 630, 660, 670, 740, 750, 850, 920, 930, 950, 970, 980 (gasoline and diesel, incl. D, F, W prefixes)
Publication
Form X5404
Pages
576

What’s inside

Front matter

  1. Introduction, Model Data and IndexesCover, warranty, title page with the Quick Index tabs, how to use the manual, the model data table of series, wheelbases and engine types for 1952–1954, serial number and parts identification plate locations, the section index and the alphabetical index.pp. 1–10

Maintenance manual

  1. 1Front Axlepp. 11–22
  2. 2Rear Axlepp. 23–156
  3. 3Cab and Bodypp. 157–180
  4. 4Brakespp. 181–256
  5. 5Clutchpp. 257–267
  6. 6Cooling Systempp. 268–285
  7. 7Electricalpp. 286–342
  8. 8Enginepp. 343–384
  9. 11Framepp. 385–388
  10. 12Fuel Systempp. 389–422
  11. 13Lubricationpp. 423–448
  12. 16Steeringpp. 449–476
  13. 17Transmissionspp. 477–552
  14. 18Propeller Shaftspp. 553–560
  15. 19Hubs, Wheels and Tirespp. 561–572

Special tools

  1. Special Toolspp. 573–576

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