Section IX. ELECTROMAGNETIC CLUTCH ELECTRICAL SYSTEM
3-114. General.
3-120. Replacement of Electromagnetic Clutch
3-115. This
section
covers
description
and
Electrical System.
maintenance of the electrical magnetic clutch electrical
system. Organizational maintenance of the components
through 3-53 for removal and installation instructions.
consists of: replacement of electrical switch light, leads
Follow the alphabetical sequence of views for removal
and connectors, replacement of right-angle drive plugs
and the numerical sequence of views for installation.
and fittings.
3-122. Repair of Lead Assemblies. Examine the lead
3-116. Description.
assembly for damaged connector, conductors or
3-117. The hydraulic power to operate the bulldozer is
insulation. Replace defective connector parts. Refer to
furnished by a hydraulic pump and drive assembly
mounted on the vehicle transmission. The pump and
replacement of lead assembly connectors, female plugs,
drive assembly consists of a right-angle drive unit
male plugs and female receptacles. Repair damaged
connected to the transmission power take-off outlet; a
wires by wrapping bare conductors with pressure
hydraulic pump to assembly; and a magnetic clutch
sensitive, waterproof insulating tape, or install a jumper
which engages the pump to the right-angle drive. The
wire as a substitute. Refer to wiring diagram, figure
magnetic clutch is operated electrically by a switch on
the master control panel in the driver's compartment. A
discharge line from the pump supply fluid (oil under
Note. Rubber-to-rubber contacts of bell-type
pressure, to intake port on the bulldozer control valve
connector may be lubricated lightly with silicone
located on the right front fender. The discharge line is
compound to assist assembly.
routed through the bulldozer control valve to operate the
moldboard cylinder and ram assemblies.
3-123. Replacement of Right-Angle-Drive Power
3-118. Master Control Panel.
Take-Off Plugs, Fittings and Gasket.
3-119. Removal and Installation. Refer to TM 9-
2350-224-20 for removal and installation instructions.
for removal and installation instructions.
3-67
