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TM 9-2320-360-20-1
NOTE
· Transfer case will not engage front axle
until AIR PRESS gage reads greater
than 65 psi (448 kPa).
· Perform Transfer Case Troubleshooting
(g5, Transfer case does not engage front
axle when shift lever is positioned in
HIGH and driveline control is positioned
to LOCK) before starting steps given
below.
· Refer to air hose diagrams in front of
this system troubleshooting section for
air line locations.
Check the following air lines and fittings for leakage and
damage
Air line no. 2074 from no 2 air reservoir to air manifold
Air line no 2785 from air manifold to air manifold
Air line no. 2765 from air manifold to driveline lockup
valve
Air lines no 2766 and no 2769 from driveline lockup
valve to transfer case lockout shift air chamber.
DRIVELINE LOCKUP
VALVE TEST
(1)
Start engine (TM 9-2320-360-10)
and allow air pressure to build greater
than 65 psi (448 kPa).
(2)
Shut off engine (TM 9-2320-360-10).
(3)
Position DRIVELINE control to LOCK.
(4)
Loosen air line no 2766 on driveline
lockup valve and check for air flow
from driveline lockup valve.
(5)
Tighten air line no. 2766 on driveline
lockup valve
Change 2 2-801
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