TM 5-3825-230-14&P
5-14.
CRANKSHAFT REPLACEMENT.
This task covers:
a.
Removal
b.
Cleaning/Inspection
c.
Installation
INITIAL SETUP
Tools
Equipment Condition
Tool Kit, General Mechanic's: Automotive
TM or Para
Condition Description
Para 5-9
Cylinders removed.
Shop Equipment, Machine Shop; Field
Para 5-28
Throttle control
Maintenance, Basic, Less Power
assembly removed.
Para 5-34
Speed governor support
Materials/Parts
yoke assembly removed.
Safety plate
Para 5-11
Tachometer gear wheel
Gage: Plastic adjustment, item 20 Appendix E
and housing removed.
Oil, engine, item 26 Appendix E
Para 5-27
Oil pump removed.
Para 5-15
Front support removed.
Para 5-16
Rear support removed.
a.
Removal
(1)
Flatten tabs on safety plate (1) and
remove screw (2), and safety plate using
a ratchet and 17 mm socket.
(2)
Tap crankshaft (3) towards drive side of
engine using a ball peen hammer and
drift. Center support (4) will slide out of
its position in crankcase (5).
(3)
Once center support (4) has cleared its
support in crankcase (5), remove two
screws (6) using a 6 mm hex head wrench
and separate halves of center support (4).
(4)
Remove center support halves (4) and
center support bearing halves (7).
(5)
Continue sliding crankshaft (3) toward
drive end of crankcase (5) and remove
crankshaft.
5-26
