TM5-3820-256-10
3-14.
Air Control Assembly. Troubleshooting procedures for the air control assembly are listed in table 3-10.
a. The table lists the common malfunctions that you may find during the operation or maintenance of the air control
assembly. You should perform the tests/inspections and corrective actions in the order listed.
b. This manual cannot list all malfunctions that may occur, nor all tests/inspections and corrective actions. If a
malfunction is not listed or is not corrected by listed corrective action, notify your supervisor.
Table 3-10. Troubleshooting the Air Control Assembly
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
AIR OPERATED CON-
Step 1. Check to see if
Turn inlet valve handwheel
TROLS DO NOT RES-
air line conditioner inlet
counterclockwise.
POND TO HANDLE
valve is closed.
MOVEMENTS.
Step 2. Check to see if air
Turn regulator adjusting knob
line conditioner outlet pres-
to increase pressure.
sure indication on regulator
dial is too low.
3-15.
Hydraulic Jacks. Troubleshooting procedures for the hydraulic jacks are listed in table 3-11.
a. The table lists the common malfunctions that you may find during the operation or maintenance of the hydraulic
jacks. You should perform the tests/ inspections and corrective actions in the order listed.
b. This manual cannot list all malfunctions that may occur, nor all tests/inspections and corrective actions. If a
malfunction is not listed or is not corrected by listed corrective action, notify your supervisor.
Table 3-11. Troubleshooting the Hydraulic Jacks.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
HYDRAULIC JACK
Step 1. Check to see if truck
Engage the truck transfer
DOES NOT OPER-
transfer case power take-off is
case power take-off.
ATE.
engaged.
Step 2. Check to see if the hy-
Stop truck engine, open valve,
draulic pump suction line valve is
and restart truck engine.
closed.
3-53
