TM 9-2330-356-14
Table 3-1. Operator/Crew Preventive Maintenance Checks and Services (Con`t).
W-Weekly
M-Monthly
B-Before
D-During
A-After
INTERVAL
ITEM TO BE INSPECTED
Equipment Is Not
ITEM
PROCEDURE: Check for and have repaired,
Ready/Available If:
NO.
M
B
D
A
W
filled or adjusted as needed.
Landing Gear.
4
Mounting bolts loose or miss-
a. Inspect for loose shoes, bent or damaged
ing.
landing gear legs, and loose or missing mounting
bolts.
Landing gear legs cannot be
b. After coupling towing vehicle to semitrailer,
raised or lowered.
enage landing gear handle, and raise and lower
landing gear legs.
Piping System.
5
Pipes are damaged to an
a. Inspect all pipes for dents and cracks
extent that fuel flow will be
restricted. Pipes are cracked
allowing fuel leakage.
Leaks are evident.
b. Check all valves and couplings for leaks.
Valve is hard to open or close.
c. Check valves for proper operation.
d. Drain water from piping system (para 2-13d).
Hose Troughs.
6
a. Inspect troughs for debris. Remove any
debris found and check that water drain holes are
open.
b. Visually inspect hose lock bars for obvious
damaged or missing parts.
Control Panel.
7
a. Check switches for proper operation.
Switch does not complete its
function.
G a g e is not functioning
b. Check that preheat indicator light is lit when
properly.
engine is preheating.
c. Check gages for proper operation. Gages
should read as follows:
Voltmeter 1214V with engine running,
Oil pressure gage 3040 psi with engine
warm and running.
Fuel pressure gage 1214 psi.
Pump pressure gage:
Pump pressure gage is not
30 psi for 4-inch low-head pump
functioning properly during
(M967, M967A1, M969, and M969A1).
retail (pumping) operations.
65 psi for 3-inch high pressure pump
(M970 and M970A1).
d. Check filter/separator gage.
Gage indicates 20 psi or high-
er.
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