4-12. UNIT TROUBLESHOOTING (continued).
12. HOOK ARM DOES NOT UNLOAD IN MANUAL MODE (MODEL A ONLY) (continued).
Electrical power must be shut off
be checked. Failure to comply
with this caution may result in
damage to test equipment or
(1) Remove four screws and
(2) Remove four screws and
(3) Remove six screws from cab control
box, and separate upper body from
A reading of infinity indicates an
terminals. Hold the joystick in the
UNLOAD position and check