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Repair
334644C
17
Disassemble the Air Motor
1.
Disconnect pilot valve air lines (55) from the air
valve (13).
2.
Remove four screws (24) and remove the manifold
(5) and two gaskets (22). Inspect foam (42) for dam-
age.
3.
Use a 15/16 in or 24 mm socket wrench to remove
the tie bolts (25).
4.
Remove the top cover. Remove the o-ring (14*).
NOTE:
To break the cover loose, place a pipe or a long
wrench handle through the lift ring (17) and hit the pipe.
5.
Remove the muffler (12) from around the cylinder.
Remove the cylinder (3).
6.
Slide the piston assembly (4) straight up off the bot-
tom cover (1).
NOTE:
The piston and rod are epoxied together and
only available as an assembly (4). Do not attempt to
take apart the piston and rod assembly (4).
7.
Remove the o-ring (10*) from around the piston (4).
8.
Use a • at head screw driver to remove the retaining
ring (11) from the bottom cover (1).
9.
Remove the u-cup seals (8*, 9*), and o-ring (14*)
from the bottom cover (1).