Chapter 4 Organizational Maintenance

CHAPTER

ORGANIZATIONAL

MAINTENANCE

Section I. SERVICE UPON RECEIPT OF TRACTOR

4-1. General

4-2. Responsibilities

When a new or used tractor is received by a using

Many of the items requiring servicing must be

organization, it must be serviced before operation is

performed by organizational personnel having the

proper tools. Other items which do not require tools

attempted. Servicing for new tractor is described in

m a y be performed by the assigned operator if

paragraphs 2-3 and 2-4. The procedures may have

to be modified for used tractors if different levels of

directed to do so by the commanding officer.

preservation packing have been used.

Section II. REPAIR PARTS, SPECIAL TOOLS, AND EQUIPMENT

4-3. Tools and Equipment

organizational maintenance level for the tractor.

Tools, equipment, and repair parts issued with or

4-5. Maintenance Repair Parts

authorized for the tractor are listed in the basic

Repair

parts a n d e q u i p m e n t a r e l i s t e d a n d

issue items list, appendix C.

illustrated in the repair parts and special tools list

4-4. Special Tools and Equipment

covering organizational maintenance f o r t h i s

e q u i p m e n t . Refer to TM 10-3930-626-20P.

No special tools or equipment are required at the

Section III. LUBRICATION INSTRUCTIONS

4-6. General

b e a r i n g cups. R e f e r t o p a r a g r a p h 4 - 6 0 f o r

reassembly instructions.

This section contains lubrication instructions which

4-10. Access to Rear Drag Link

Steering

are supplemental to and not specifically covered in

Gear and Brake Shaft

the lubrication order for the tractor. For current

lubrication order refer to LO 10-3930-626-12.

For access to the rear drag link, steering gear and

brake shaft for lubricating, remove the floor plates

4-7. Care of Lubricants

from the tractor chassis as follows:

Refer to paragraph 3-3a for proper care of

a. Remove cotter pin and washer from end of

lubricants.

accelerator pedal rod, a n d disengage rod from

4-8. Cleaning Lubrication Points

pedal.

Refer to paragraph 3-3b for cleaning lubrication

b. Unscrew pedal pad from brake pedal rod.

Remove pedal pad and lock washer.

points.

c. R e m o v e h e x a g o n h e a d c a p s c r e w s w h i c h

4-9. Lubricating Front Wheel Bearings

secure floor plates to chassis.

The front wheels and wheel hubs must be removed

d. Slide floor plates off chassis.

when lubricating front wheel bearings. Refer to

e. After lubricating, reinstall floor plates by

p a r a g r a p h 4-60 for removal procedure. Handle

reversing the above procedure.

bearing (cups, and cones and rollers) carefully to

4-11. Access to Brake Master Cylinder

prevent damage. D o n o t s p i n b e a r i n g s b e f o r e

cleaning. Wash all bearing parts with SD (solvent,

For access to the master cylinder, pry out the plug

dry-cleaning), and dry with compressed air under

button located on the plate adjacent to the trans-

moderate pressure. Pack cones and rollers

mission shift lever. Be sure to replace the button

thoroughly with grease and apply grease liberally to

after servicing master cylinder.

4-1