5-10 PISTON AND CONNECTING ROD ASSEMBLY
This task covers:
Equipment Condition Para
Tool kit, service, refrigeration unit
(Appendix B, Section III, Item 1)
Piston ring spreader
(Appendix B, Section III, Item 19)
(Appendix B, Section Ill, Item 20,
Tool Kit 291661)
Engine oil (Appendix E, Item 8)
Standard ring set
Standard connecting rod and cap
Standard crankcase gasket
Cylinder head gasket
3. Cap and dipper
Remove rust or burrs from power takeoff end of
crankshaft (2). Drain crankcase oil as described in
paragraph 47. Remove screws (21) and disassemble
crankcase cover (1) from engine block (4). If crankcase
cover sticks, tap lightly with soft hammer on alternate
sides near dowel. Remove crankcase gasket (15) and
Remove screws (11 and 12) and washers (13). Lift
off cylinder head (10). Discard cylinder head gasket (5).
Remove screws (19) and washers (20) and disassemble
dipper (18) and cap (17).
Crankshaft (2) and cam gear (16) do not have to be removed.
Remove any carbon or ridge at top of cylinder bore.
Push piston (8) and connecting rod (3) out top of cylinder.
5. Pin locks
Take out pin locks (6 and 14) with thin nose pliers
and remove pin (7).