TM 9-6115-647-14&P
Table 4-1. Unit Preventive Maintenance Checks and Services (Cont).
H-Hours of operation
M-Monthly
S-Semiannually
(As indicated)
(100 hours)
(500 hours)
Item
Item to be Inspected
Procedures
No.
H
M
S
6
V-Belts
Inspect for worn, frayed, oil soaked, or
cracked belts. Check adjustment. Proper
adjustment for fan belt is a deflection
of ½ inch with application of 12-14 lb
pressure midway between alternator
and water pump pulley.
7
Fuel Filters
Replace filter elements.
8
300
Fuel Strainers
Clean fuel strainer.
9
300
Lubricating 011 and Filters
Change lubricating oil and filter. (Refer
to L O ).
10
300
Breather and Breather Tube
Inspect for damage. Clean breather and
tube at oil change interval.
11
AR
Air Cleaner
Clean air cleaner element whenever
necessary as indicated by air filter
condition indicator light.
12
Taillights
Replace any broken or cracked lenses
or defective bulbs.
13
Intervehicular Cable
Check for cuts, breaks, frayed wires, or
damaged plug.
14
Electrical Wiring
Inspect wiring harness, clips,
connectors, shields, grommets and
electrical boxes. Repair or replace as
necessary.
15
Lunette
Check security of mounting Inspect
ring for excessive wear.
16
Safety Chains
Inspect for broken links or missing
chain(s).
17
Reflectors
Replace any cracked, broken, or
missing reflectors
18
Data Plates and Markings
Make sure data plates are legible and
securely mounted. Replace illegible
data plates.
4-10
TM 9-6115-647-14&P
