TM-9-2330-356-14
SEMITRAILER, TANK: 5000 GALLON, BULK HAUL, SELF LOAD/UNLOAD M967 AND M967A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, AUTOMOTIVE M969 AND M969A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, UNDER/OVERWING AIRCRAFT M970 AND M970A1
TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1990
TM-9-2330-356-14 - Page 122 of 528
TM 9-2330-356-14
Table 3-1. Operator/Crew Preventive Maintenance Checks and Services (Con‘t).
B-Before
D-During
A-After
W-Weekly
M-Monthly
ITEM
NO.
19
20
21
22
23
24
B
INTERVAL
D
A
W
M
ITEM TO BE INSPECTED
PROCEDURE: Check for and have repaired,
filled or adjuated as needed.
Filter/Separator (M969, M969A1, M970, and
M970A1).
a. Check automatic drain valve on bottom of
filter/separator for fuel seepage. No other liquid
except water should be detected at the automatic
drain valve.
b. Check for debris in relief valve at top of
filter/separator (fig. 2-13).
Centrifugal Pump.
a. Remove pipe plug and check oil level. Add oil
if below bottom of pipe plug hole.
b. Inspect pump for signs of leaks around
gasket.
Hose Reels (M969, M969A1, M970, and
M970A1).
a. Check that rewind handle is not missing.
b. When unwinding hoses, observe for binding
in the hose reel.
c. Inspect hoses for cuts and cracks.
Meter Indicator (M969, M969A1, M970, and
M970A1).
Check meter for registration of fuel being
dispensed.
Precheck Control.
Check operation of shut-off float.
Load/Unload Selector System (M967, M967A1,
M969, and M969A1).
Check operation of selector control.
Equipment Is Not
Ready/Available If:
Fuel is seeping from automatic
drain valve.
Relief valve is plugged.
Pump is leaking,
Rewind handle is missing.
Hose reel will not unwind hose.
Cuts or cracks in hoses which
allow any detectable leakage.
Precheck system does not
operate. Control lever does not
move freely from closed to
open position.
Selector system does not
operate. Control lever does not
move freely from closed to
open position.
3-26
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