TM 9-6116-668-13
tern
No.
18
Before
19
20
21
22
Before
Before
Slave receptacle
Before
Oil level
Before
Table 2-4 Operator Preventive Maintenance Checks and Services-continued.
Interval
Location
Item to Check/Service
ENGINE COMPARTMENT-
continued
Scavenge pump
Supply air duct (cooling air in-
Inspect supply air duct for loose-
Supply air duct is
let for diesel engine)
ness, damage, or dirt.
clogged.
Inspect slave receptacle, and
Slave receptacle
protective cover for looseness,
connector is dam-
damage, or corrosion.
aged.
Fuel prefilter and two step
fuel filter
Procedure
Capable if:
Inspect scavenge pump for leaks or
loose, damaged, or missing parts.
Check diesel engine oil level (check
Oil level is below
cold oil level dots on dipstick).
required level.
a.
Inspect fuel prefilter and two
step fuel filter for leaks, loose
or damaged parts.
b. Drain condensation from fuel
prefilter.
1. Open flap (1).
CAUTION
Place collection container under fuel
prefilter and two step fuel filter.
2. Hold small container below
filter cup (3) of fuel prefilter (2).
3. Remove drain plug (4) until
mixture of fuel and condensa-
tion water emerges from drain
plug hole.
4. When only fuel emerges,
screw drain plug (4) back in.
5. Tighten drain plug (4).
Not Fully Mission
Class III oil leak.
Loose, damaged, or
missing parts.
Any fuel leaks.
Diesel engine runs
roughly after starting
because condensa-
tion water has col-
lected.
2 - 2 3
