TM 10-4930-351-14
0108 00
REMOVE PISTON AND RINGS. (Refer to figure 16.)
This task applies to either cylinder.
INITIAL SET-UP:
Tools:
Materials/Parts Required:
Socket, Socket Wrench, 14 mm
None
(WP 0113 00, Item 3)
Handle, Socket Wrench, Ratchet, 3/8" Drive
Equipment Condition:
(WP 0113 00, Item 3)
Cylinder head and cylinder removed
Pliers, Needle Nose
(WP 0113 00, Item 3)
CAUTION
With piston detached from connecting rod, the connecting rod can easily jam and cause
damage in the crankcase. Use caution when turning crankshaft in order to avoid damage.
Mark each piston to ensure replacement in correct cylinder; i.e., flywheel-end piston and
PTO-end piston.
1.
Remove the two piston pin snap rings (1) and push the piston pin (2) free of the piston (3). Separate and remove piston
(3) from connecting rod (4).
2.
Remove three rings (5) from piston (3). Discard rings (5).
CAUTION
Note markings on connecting rod and cap or mark them to ensure that they can be
reassembled properly.
3.
Remove cap screws (6) from caps (7) at bottom of connecting rod (4). Remove connecting rod (4) and cap (7) from
crankshaft (8).
4.
Remove and discard rod bearings (9).
5
3
1
8
4
1
2
9
7
6
Figure 16. Piston and Rings Removal
0108 00-21
