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 166 of 481
2-67
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
38
After
Air
Tank
Drain
DRIVER
NOTE
Drain moisture from tanks in
the sequence listed below.
After all moisture has been
drained and only air is coming
out, close drainvalves.
a.
Open drainvalve (5) and drain
moisture from airbrake system wet
tank reservoir.
b.
Open drainvalve (6) and drain
moisture from spring brake air
reservoir.
c.
Open drainvalve (3) and drain
moisture from primary airbrake
system air reservoir.
d.
Open drainvalve (4) and drain
moisture from secondary airbrake
system air reservoir.
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