Section VI. DIRECT SUPPORT, GENERAL SUPPORT
AND DEPOT MAINTENANCE
maintenance.
E-37. General
E-39. Troubleshooting.
E-38. This section contains information for direct
E40. Tables E-5 and E-6 lists pecu liar malfunctions,
support, general support and depot maintenance
peculiar to the early model M8A3 bulldozer. The
their probable cures, and the corrective action which can
instructions contain information on equipment that is
be performed by the supporting maintenance personnel.
beyond the scope of tools, equipment, personnel, or
For common troubleshooting routines, refer to
supplies
normally
available
to
organizational
Table E-5. Troubleshooting Power Take-Off Group
Lowest
Maintenance
Category
Malfunction
Probable Cause
Corrective Action
Repair
Replace
Power Take-Off Group
a) Defective sprocket assembly
Repair/replace defective
*DS
*DS
Assembly Inoperative
b) Defective hydraulic pump
sprocket assembly
and mount assembly (see table Repair/ replace defective pump
*DS
*DS
3-8)
and mount assembly
* Can also be performed by organizational maintenance personnel
Table E-6. Troubleshooting Hydraulic Pump and Mount Assembly
Lowest
Maintenance
Category
Malfunction
Probable Cause
Corrective Action
Repair
Replace
Hydraulic Pump and
a) Defective mount assembly
Repair/replace defective mount
GS
*GS
Mount Assembly
assembly
Defective
b) Defective right angle drive
Repair/replace defective right
DS
DS
assembly
angle drive assembly
c) Defective manual clutch
Repair/replace defective clutch
DS
*DS
d) Defective hydraulic pump
Repair/replace defective
DS
*DS
assembly
hydraulic pump assembly
* Can also be replaced by organizational maintenance personnel.
and proceed as follows:
E-41. Clutch Assembly and Related Components.
(1) Relieve spring setting by lifting adjustment
The clutch assembly and related components are
mounted in the vehicle a an integral part of the pump
lowest point.
and drive assembly (pump, clutch, and right-angle
drive).
untapered flatnose punch.
a. Removal and Installation. Refer to figure
(3) Remove from shaft the parts shown in
E-12 and E-13 for instructions on
removal and
installation of the complete unit.
b. Disassembly. For disassembly of clutch
Ae-21