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 TM 55-1905-219-14-4
3-46.
HYDROSTARTER - MAINTENANCE INSTRUCTIONS.
a.
The hydrostarter (starting) motor is mounted on the flywheel housing. The hydrostarter has a high
rate of acceleration; therefore, the engine is cranked faster than other starting systems.
b.
The control lever can be attached in any one of four positions where it is most accessible.
c.
The positive starting motor engages the control lever by pushing the starter pinion into engagement
with the flywheel ring gear before the control valve is opened. When a tooth abutment is encountered, the
valve permits a small flow of oil to turn the pinion slowly until it snaps into full engagement. Spring action
disengages the pinion and closes the control valve when the lever is released. An overrunning clutch protects
the starting motor at all times from being driven at high speeds by the engine before disengagement of the
pinion.
This task covers:
a.
Inspection
b.
Removal
c.
Repair
INITIAL SETUP
Test Equipment
References
NONE
Refer to paragraph 3-50 for
forward engine room piping and to
Special Tools
piping.
Special 12 point socket
Torque wrench
Equipment
Condition
Condition Description
NONE
Material/Parts
Special Environmental Conditions
Masking tape
NONE
Personnel Required
General Safety Instructions
1
Observe WARNING in this procedure.
3-919
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