TM 5-6115-625-14&P
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS). – CONT.
I t em
no.
2
3
4
5
6
7
8
9
10
H
- Hours of operation
(As indicated)
1 0 0
1
0
0
1 0 0
3 0 0
3 0 0
3 0 0
Interval
l
l
l
W - - W e e k l y M – M o n t h ly
S – Semiannually A – Annually
(40 hours)
(100 hours)
(500 hours)
(1000 hours)
Item to be
Inspected
Fuel Strainer and
F i l t e rs
Fuel Tanks
Fuel Pumps
Batteries
V - B e l t
Fuel Filters
Fuel Strainer
Lubricating Oil
and Filters
Breather and
Breather Tube
Procedures
NOTE
Fuel system must be above freezing
temperature when draining water and
sediment from strainer, filters and
t h a n.
Open draings on fuel strainer and primary
and secondary fuel filters. Drain water
and sediment. Allow to drain until fuel
runs clean.
Open drains on main fuel tank and day
tank. Drain water and sediment. Allow
to drain until fuel runs clean.
Clean or replace, as necessary, fuel
strainer in bottom of fuel pump.
Perform a hydrometer test on batteries
every 100 hours. Refer to
TM 5-611-5-464-12 for test
procedures.
Inspect for worn, frayer, cracked or oil-
soaked belt. Check adjustment. If
necessary, adjust for a 1/2-inch
deflection when belt is depressed at a
point midway between alternator and
water pump pulley.
Replace filter elements every 100 hours
of operation,
Clean fuel strainer every 300 hours of
o p e r a t i o n.
Change lubricating oil and filters every
300 hours of operation or six months.
Inspect for damage. Clean breather and
tube at oil change interval.
4 - 10
Change 1
