TM 5-3805-262-20
3-21. STEERING SYSTEM TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. AUXILIARY STEERING SYSTEM DOES NOT OPERATE.
Step 1.
Step 2.
Start and operate engine at 1000 rpm for two minutes.
Pull out fuel shutoff control to stop engine but don-t place igni-
tion key switch in off position: leave ignition key switch in run
p o s i t i o n .
At left side of loader near hydraulic pump mounted on transmission,
listen for slight buzzing sound indicating auxiliary steering motor
i s o p e r a t i n g.
a. If buzzing sound is not heard and AUXILIARY STEERING buzzer and
indicator located on left instrument panel are not on, go to
step 2 below.
b. If buzzing sound is not heard and AUXILIARY STEERING buzzer and
indicator located on left instrument panel are on, notify next
higher maintenance level to replace and repair auxiliary steer-
ing motor and pump.
c. If buzzing sound is heard, go to step 12 below.
Place ignition key switch in off position.
Disconnect flow switch black wire lead from wiring harness black
wire lead by grasping terminals with fingers and firmly pulling a-
p a r t .
Connect multimeter between wiring harness black wire lead and clean
metal area of chassis.
Place ignition key switch in on position.
Multimeter shall indicate 24 volts.
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