5-6115-631-14&P
Table 4-1. Unit Preventive Maintenance Checks and Services (PMCS). – CONT.
H – Hours of operation
W -- Weekly
M – Monthly
(As indicated)
S – Semiannually
A – Annually
(40 hours)
(1OO hours)
(500 hours)
(1000 hours)
4
5
6
7
8
9
10
11
12
13
14
15
100
300
500
1000
300
500
100
1000
Interval
Item to be
Inspected
Fuel Pumps
Lubricating Oil
and Filter
Fuel Strainer
Primary Fuel
Secondary Fuel
Filter
Batteries
Crankcase Breather
Dust Caps on Air
Cleaner
Air Cleaner
Taillights
Intervehicular
Cable
Drawbar Ring
Procedures
Clean or replace, as necessary, fuel
strainer in bottom of fuel pumps,
(table 3-2, TM 5-6115-584-12).
Change lubricating oil and filter every
100 hours of operation (L.O.
5-6115-584-12).
Clean fuel strainer every 300 hours of
operation (para 4-20 TM 5-6115-584-12).
Service primary filter every 500 hours of
operation (table 4-1, TM 5-6115-584-12).
Service secondary filter every 1000 hours
(table 4-1, TM 5-6115-584-12).
Perform a hydrometer test on batteries
every 300 hours, or quarterly. Refer to
para 4-25, TM 5-6115-584-12 for test
procedures.
Inspect breather tube every 500 hours.
Clean as necessary (para 4-45,
TM 5-6115-584-12).
Clean out dust caps on air cleaner assembly
every 100 operating hours (more
frequently under unusual conditions).
Clean every 1000 operating hours or as
conditions dictate. Replace air cleaner
every 2000 operating hours.
Replace any broken or cracked lenses
or defective bulbs.
Check for cuts, breaks, frayed wires, or
damaged plug.
Check security of mounting. Inspect ring
for excessive wear.
4-10
Change 1
