3-5. TROUBLESHOOTING TABLE (CONT)
TEST OR INSPECTION
23. RETURN-TO-DIG AND BUCKET HEIGHT CONTROL CIRCUITS DO NOT OPERATE (CONT)
Step 2. (Continued)
a. If 5 AMP circuit breaker button popped when bucket reached de-
sired digging or rollback angle, notify organizational mainte-
nance (short circuit exists in return-to-dig control circuit).
b. If 5 AMP circuit breaker did not pop, and desired digging or
rollback angle was not obtained, readjust return-to-dig control
24. LOADER WILL NOT MOVE
Check if parking brake control knob is pulled out.
a. Push in parking brake control knob if pulled out.
b. If parking brake control knob is not pulled out, go to step 2
Check if air pressure builds to normal operating pressure (AIR PRESS
gage pointer indicates in green zone).
a. If air system pressure is low, go to MALFUNCTION 19 above.
b. If air system pressure is normal , notify organizational mainte-