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TM 9-2320-360-20-1
INTERAXLE LOCKUP PILOT
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 and TRANSFER CASE shift
lever to LOW.
(4)
Loosen air line no. 2767 on interaxle
lockup pilot valve and check for air
flow from interaxle lockup pilot
valve.
(5)
Tighten air line no. 2767 on interaxle
lockup pilot valve.
INTERAXLE 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 and TRANSFER CASE shift
lever to LOW.
(4)
Loosen air line no. 2339 on axle no.
2 interaxle lockup valve and check
for air flow to interaxle lockup valve.
Inspect air line no. 2339 for
damaged connections
(5)
Tighten air line no 2339 on interaxle
lockup valve.
(6)
Loosen air line no. 2422 on axle no
3 interaxle lockup valve and check
for air flow to interaxle lockup valve.
Inspect air line no. 2422 for
damaged connections
(7)
Tighten air line no. 2422 on interaxle
lockup valve.
(8)
Check air lines no. 2339 and no.
2422 at axles no. 2 and no. 3 for
loose or damaged connections.
Change 2 2-885
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