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![]() TM 5-4110-234-14 
TO 40R7-5-7-1 
Table 2-1. 
OPERATOR PREVENTIVE MAINTENANCE 
CHECKS AND SERVICES 
INTERVAL 
Items to be 
Procedures. Check for 
For readiness 
ITEM 
Inspected 
and have repaired or 
reporting. Equip- 
NO 
B 
D 
AWM 
adjusted as necessary 
ment is not ready/ 
not available if: 
10 
* 
Inspect flywheel on 
Cracked or mounting is 
F10000R-6 for cracks and 
loose. 
loose mountings. 
* 
Observe compressor oil 
Oil level is excessively 
level (see para 2-2b(2) 
high or low. 
11 
* 
* 
Engine(F10000RG-2 
Check engine oil level 
only) 
(See para 2-2b(3), Add oil 
as needed. 
12 
* 
Fuel tank (F 1000RG-2 
Inspect for leaks or 
Leaks or damage that 
only) 
obvious damage, Add 
would interfere with 
gasoline as needed. 
operation or create a 
hazard are found. 
13 
* 
Fuel strainer 
Check sediment bowl for 
Excessive dirt or other 
(F10000RG-2 only) 
matter in sediment bowl. 
14 
* 
Fuel lines (F10000RG-2 
Inspect for kinked lines, 
Any problem is found that 
only) 
cuts, leaks and loose 
would create a hazard or 
connections 
interfere with the 
operation of the unit. 
15 
* 
Gages, meters, lights 
Check for loose 
Parts are broken or 
and switches 
mountings, broken or 
missing. 
missing parts. 
* 
Observe for proper 
Parts are not functioning. 
indication during 
operation. 
16 
* 
Refrigerant sight glass 
After 15 minutes of 
Bubbles, milky flow or 
operation in cooling cycle 
pink color is observed. 
check for bubbles or milky 
flow indicating low 
refrigerant charge. Check 
for pink color which 
indicates presence of 
moisture. 
17 
* 
* 
Battery (F10000RG-2 
Check water level and for 
only) 
loose or corroded 
terminals. 
18 
* 
Electric motor 
Check for loose 
(F10000R-6 only) 
mountings. 
2-8 
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