CRANKSHAFT, PISTON AND CONNECTING ROD
73
Reassembly
1. Clean the cylinder
1a. Remove all gasket material from all mating
surfaces.
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 10.16.
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.
Figure 10.16
Troy-Bilt seal drive
NOTE: Use an old piece of microfiche or a seal
protector to protect the oil seal lip while inserting
the crank shaft.
See Figure 10.17.
4. Install the piston by:
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 con
-
necting rod. See Figure 10.18.
4a. Compress the piston rings using a piston
ring compressor.
4b. Pre-lube the cylinder wall with clean 10W-30
motor oil
Figure 10.17
Seal
protector
Figure 10.18
Oil hole
Arrow
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