SECTION II CHECKOUT AND ANALYSIS

TM 55-1740-200-14

SECTION II CHECKOUT AND ANALYSIS

c. With engine operating, check for evidence of oil and

4-9. GENERAL.

coolant leaks.

4-10. This section contains instructions needed to

d e t e r m i n e whether t h e towing tractor, tractor

d. Place drive tractor in rear wheel steer position

s u b - a s s e m b l i e s and systems, meet the minimum

check for evidence of oil leaks in steering system.

performance standards required for operation. Checkout,

and check operation

e. Operate the tractor

analysis, inspection, adjustment, and testing procedures

transmissions and axles.

are contained in this section and shall be followed when

applicable.

f. Stop the tractor and check operation of brakes.

4-11. Tables at the end of this section contain specific

Station an observer to check operation of stoplight when

i n f o r m a t i o n o n limits, clearances, and torque

brakes are actuated.

specifications.

g. Test operation of all lights. Station an observer to

4-12. Parts to be inspected and tested are referenced to

check operation of headlights when dimmer switch is

item and figure numbers used in disassembly procedures

actuated.

in Chapter 4, Section III.

h. Conduct all operational checks, (Refer to Chapter

3, Section V.)

4-13. CHECKOUT AND ANALYSIS PROCEDURES.

4-17. ADJUSTMENT. Adjustments for the complete

4-14. TOWING TRACTOR.

tractor are covered in the adjustment paragraph for each

component.

4-15. INSPECTION. Inspect the towing tractor

follows:

4-18. UPPER CAB ASSEMBLY.

a. Ensure all components are properly lubricated in

4-19. INSPECTION. See figure 4-3 and inspect the

accordance with lubrication instructions. (Refer to

upper cab assembly as follows:

Chapter 3, Section IV.)

a. Inspect mirror (12) for cracks or fogging.

b. Check all components for secure mounting.

b. Inspect all glass for cracks or fogging.

c. Check all linkage for secure and proper installation.

41 6. CHECKOUT. Test the tractor as follows:

c. Inspect all moulding and weatherstrips for wear or

deterioration.

a. Start tractor engine and observe operation of all

tractor indicating instruments.

d. Inspect shell (35) for dents, chipped paint or rust.

e. Inspect for loose or missing attaching hardware.

If engine oil indicator does not indicate

pressure within 30 seconds, stop engine and

4-20. CHECKOUT. None required.

determine cause.

4-21. ADJUSTMENT. None required.

b. Allow engine to idle until normal operating

temperature (160 to 180 F) is reached.

4-22. LOWER CAB ASSEMBLY.

4-23. INSPECTION. See figure 44 and inspect the

lower cab as follows:

If engine coolant stays below, or rapidly rises

a. Inspect weatherstrip (13) and moulding (14) for

above normal temperature range, stop engine

wear or deterioration.

and determine cause.

4-2