Table 4-6. Manufacture's Fits, Tolerances and Dimensions (Cont)

TM 55-1740-200-14

Table 4-6. Manufacture's Fits, Tolerances and Dimensions (Cont)

ADDITIONAL

POINT OF MEASUREMENT

MINIMUM

DESIRED MAXIMUM ALLOWABLE

COMPONENT

INCHES

WEAR ON

INCHES

CLEARANCE

Armature end play

0.030

0.005

Starting Motor

0.003

Armature run out

0.030

Pinion to thrust washer

0.015

clearance

0.010

0.003

Armature end play

Generator

0.005

Commutator run out

Shaft end play

0.0005

0.005

Water Pump

Shaft end play

0.010

0.003

Oil Pump

Outer rotor and body

0.008

clearance

SECTION Ill. REPAIR PROCEDURES

4-203. GENERAL.

assembled parts can be determined in accordance with

checkout and analysis criteria (Chapter 4, Section II).

4-204. This section contains instructions for removal and

4-205. REMOVAL AND DISASSEMBLY.

complete disassembly of all assemblies of the towing

tractor covered by this manual. (See figure 4-2.) During

4-206. UPPER CAB ASSEMBLY.

disassembly of the tractor and tractor components, all

lock wires, lockwashers, cotter pins, gaskets, and

4-207. REMOVAL. See figure 4-3 and remove the

preformed packings removed shall be discarded. Complete

upper cab assembly as follows:

disassembly shall not be performed if serviceability of

19. Fuel system

10. Bracket

1. Nameplate

20. Engine, transverter, and

11. Screw

2. Hood

transfer case assembly

12. Washer

3. Nameplate

21. Brake assembly

13. Washer

4. Grille assembly

14. Nut

22. Propeller shaft

5. Screw

23. Propeller shaft

15. Electrical system

6. Washer

16. Cooling system

24. Axle assembly.

7. Nut

17. Cab assembly

25. Frame assembly

8. Cab assembly

18. Deck assembly

9. Steering system

Figure 42. Towing tractor - exploded view (Sheet 1 of 2)

4-20