TM 5-4310-354-14
Table 3-1. Operator/Crew Preventive Maintenance Checks and Services
B - Before Operation
D - During Operation
A - After Operation
Interval and
Work
Sequence No.
ITEM TO BE INSPECTED
Time
PROCEDURE
(M/H)
B
D
A
RADIATOR ASSEMBLY
1
Check engine coolant level. Proper level is 2 inches (50.8 mm) below filler
neck (figure 3-6). See para 1-10b for capacity. Check radiator hoses, clamps,
and connections for leaks or other defects. Check antifreeze when operating
in temperatures below 32F (0C) (table 2-1).
FUEL TANK
2
16
18
Check fuel level. Use gauge on instrument panel (figure 2-3). Fill tank as
necessary. See para 1-10b for capacity and recommended fuel. Check tank
for leaks or other damage. Check filler cap gasket for damage. Check fuel
lines and fittings for leaks or damage.
ENGINE CRANKCASE
3
Check oil level on bayonet gauge (figure 3-2). Add oil as necessary to bring
level to full mark (refer to LO 5-4310-354-12, figure 3-1).
19
Change oil filter first 50 hours of operation and every 100 hours thereafter,
under normal operating conditions. Change oil more frequently under unusual
conditions (Chapter 2, Section II). See para 1-10b for capacity.
OIL SEPARATOR ASSEMBLY
4
Check oil level and fill to overflow as necessary (figure 3-3). Refer to
LO-5-4310-354-12, figure 3-1.
20
Change oil every 500 hours of operation or once a year. See para 1-10b for
capacity.
29
Change separator element every 4000 hours of operation or once a year.
ENGINE OIL FILTER
5
21
Replace the engine oil filter every other engine oil change (figure 3-4). Refer
to LO 5-4310-354-12, figure 3-1.
COMPRESSOR OIL FILTER
6
22
Clean the compressor oil filter every 100 hours of operation for the first 500
hours; clean every 500 hours thereafter and each time separator oil is changed
ENGINE FUEL FILTER
7
23
Replace the engine fuel filter every 100 hours of operation (figure 3-8).
DRIVE BELT
8
Check for worn, frayed, or broken drive belt. Check tension of belt (figure 3-9).
Tighten a new belt after 8 hours of operation.
3-8 Change 2
