TM 9-6115-653-14&P
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS) (cont).
H - Hours of operation
M - Monthly
S - Semiannually
A - Annually
(As indicated)
(100 hours)
(500 hours)
1,000 hours)
INTERVAL
ITEM
NO.
H
M
S
A
ITEM TO BE INSPECTED
PROCEDURES
4
Fuel Pumps
Clean or replace, as necessary, fuel strainer In bottom of fuel
pump
5
Batteries
Perform a hydrometer test on batteries every 100 hours Refer
to TM 5-6115-464-12 for test procedures
6
V-Belts
Inspect for worn, frayed, oil soaked, or cracked belts Check
adjustment Proper adjustment for fan belt is a deflection of 1/2
inch with application of 12-14 lb pressure midway between
alternator and water pump pulley
7
Fuel Filters
Replace filter elements every 100 hours of operation
8
300
Fuel Strainer
Clean fuel strainer every 300 hours of operation
9
300
Lubricating Oil and Filter
Change lubricating oil and filter every 300 hours of operation or
six months
10
Hydraulic Sump
Drain and refill (Refer to LO)
11
Hydraulic Filter
Replace filter (Refer to LO)
12
Hydraulic Actuator Screen
Clean filter (Refer to LO)
13
300
Breather and
Inspect for damage Clean breather and
Breather Tube
tube at oil change interval
14
AR
Air Cleaner
Clean air cleaner element whenever necessary as Indicated by
air filter condition indicator light
15
Taillights
Replace any broken or cracked lenses or defective bulbs
16
Intervehicular
Check for cuts, breaks, frayed wires, or damaged Cable plug
4-10
