TM-9-2320-272-10
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; OPERATOR'S MANUAL
SEPTEMBER 2004
CHANGE 2
TM-9-2320-272-10 - Page 182 of 481
Change 2
2-81
Table 2-3. Preventive Maintenance Checks and Services for Models M939/A1/A2 (Contd).
ITEM
NO.
INTERVAL
ITEM TO
CHECK/
SERVICE
NOT FULLY
MISSION
CAPABLE IF:
TM 9-2320-272-10
LOCATION
CREWMEMBER
PROCEDURE
Primary/secondary
gauge pressure
falls.
DRIVER
Build up pressure to normal range
of between 90 to 130 psi
(621-896 kPa). Open wet tank
drain (5) and observe primary (3)
and secondary (4) air gauges.
Air
Tank
Check
Valve
Weekly
56
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