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TM 9-2320-360-20-1
NOTE
·
Transfer case will not lockup until
AIR
PRESS gage reads greater than 65
psi(448 kPa).
·
Perform Transfer Case
Troubleshooting(g4, Transfer
case dies not engage front axle
when shift lever is positioned to
LOW) 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 line no. 2761 from air manifold to push valve
Air line no. 2762 from push valve to interaxle lockup
pilot valve
Air line no. 2769 from interaxle lockup pilot valve to
check valve
Air line no. 2769 from check valve to transfer case
lockout shift air chamber
Air line no. 2766 from driveline lockup valve to
interaxle lockup pilot valve
PUSH 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 TRANSFER CASE shift
lever to LOW
(4)
Loosen air line no. 2762 from push
valve and check for air flow from
push valve.
(5)
Tighten air line no. 2762 on
push valve.
Change 2 2-797
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