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 TM 55-1905-219-14-5
3-101. 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. 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
c. Removal
b. Repair
d. Installation
INITIAL SETUP :
Test Equipment
References
NONE
Refer to paragraph 3-105 for for-
ward engine room piping and to
room piping.
Equipment
Special Tools
Condition Condition Description
Para
NONE
NONE
Material/Parts
Special Environmental Conditions
NONE
NONE
Personnel Required
General Safety Instructions
1
Observe WARNINGS in this procedure.
3-1768
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