TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
13. MAIN FRAME DOES NOT LOAD IN MANUAL MODE (MODEL A ONLY)
(continued).
CONTINUITY TEST
CAUTION
Electrical power must be shut off
from circuit before continuity can
be checked. Failure to comply
with this caution may result in dam-
age to test equipment or electrical
system.
(1) Remove four screws and lockwashers
and access cover from heater
compartment.
(2) Remove hydraulic cabinet cover (para
(3) Disconnect (9-pin) linking harness
9-PIN LINKING
connectors.
HARNESSCONNECTOR
(4) Set multimeter to ohms position.
(P5)
NOTE
A reading of infinity indicates an open
circuit.
(5) Connect multimeter leads to each end
of wire, and check multimeter for
continuity. Check (9-pin) linking
harness, position F.
NOTE
Any reading besides infinity indicates
a grounded wire.
(6) Remove multimeter lead from one end
of wire and connect to chassis
ground.
9-PIN LINKING
HARNESSCONNECTOR
(P3)
Change 1
4-2
4-263
