Engine Disassembly (cont‘d)
2. Inspect all parts for wear and damage. Make
10. Remove the two snap rings retaining the
piston pin in the piston.
3. Remove carbon from cylinder combustion
11. Carefully push out the piston pin and lift the
chamber, exhaust port and piston. Carbon
piston from the connecting rod. See Fig. 91.
can be removed with a non-marring scraper.
Theconnecting rod cannot be removed from
Be careful not to damage the cylinder’s
the crankshaft. Note the position of the dot chrome plated bore. See Fig. 93.
certain that moving parts will move freely.
on the head of the piston. Reinstall the pistol
with the dot in the same direction.
Figure 91
I
NOTE:
Before removing the piston rings,
note how they are installed. The hemi-
spherically notched ends of the rings match
the knock pins in the ring grooves. See
Fig. 92.
PISTON RINGS
KNOCK PINS
U
Figure 92
12. Use finger pressure to remove the two piston
rings from the piston.
Engine Cleaning After Disassembly
Figure 93
4.
Decarbonize the muffler. Use a scraping tool
to remove the carbon.
5.
If the spark plug is to be reused, clean the
spark plug.
6. Clean the air filter element in soap and water.
Moisten the air filter element with clean light-
weight engine oil before installation.
7.
Replace the fuel filter on the pick-up tube
inside the fuel tank. See Fig. 94.
Figure 94
1. Clean all parts in appropriate solvents
according to the solvent manufacturer’s
8.
Clean the primer pump passages, valve
recommendations. cushions and ball valves.
36
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