T65 Series Vertical Shaft Engines
94
Reassembly
1. Clean the cylinder
1a. Remove all gasket material from all mating
surfaces.
1b. Clean the cylinder and sump.
2. Oil seals
2a. Install a new oil seal in the cylinder block.
2b. Install a new seal in the sump. See Figure
10.22.
NOTE: A Troy-Bilt tiller seal service tool # TWX-
4006, Tecumseh Seal driver 670272 or a
piece of 1” schedule 40 PVC pipe can be
used to install the sump oil seal.
3. Insert the crankshaft into the cylinder block bearing.
NOTE: Pre-lube the crankshaft with clean 10W-30
motor oil or engine assembly lube.
4. Install the crankcase oil seal using a seal protector
to protect the oil seal lip. See Figure 10.23.
5. Install the piston by:
5a. Compress the piston rings using a piston ring
compressor.
5b. Pre-lube the cylinder wall with clean 10W-30
motor oil
5c. Slide the connecting rod and piston into the
cylinder.
NOTE: The arrow on the piston must point towards
the push rod cavity. See Figure 10.24.
Figure 10.22
Tecumseh seal driver
Figure 10.23
Seal
protector
Figure 10.24
arrow
push rod
cavity
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