Crankshaft, piston and connecting rod
111
Reassembly
1. Clean the cylinder
1a. Remove all gasket material from all mating sur-
faces.
1b. Clean the cylinder and crank case cover.
2. Oil seals
2a. Install a new oil seal in the cylinder block.
2b. Install a new seal in the crank case cover. See
Figure 10.17.
NOTE: Use a Troy-Bilt tiller seal service tool # TWX-4006
to install the sump oil seal.
3. Insert the crank shaft into the cylinder block bearing.
NOTE: Pre-lube the crank shaft with clean 10W-30 motor
oil.
NOTE: Use an old piece of microfiche or a seal protector
to protect the oil seal lip while inserting the crank
shaft. See Figure 10.18.
4. Install the piston:
NOTE: If the piston and connecting rod were separated,
Reconnect them so that the arrow on the piston
head points to the oil hole in the connecting rod.
See Figure 10.19.
Figure 10.17
Troy-Bilt seal driver
Figure 10.18
Seal
protector
Figure 10.19
Oil hole
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