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307043
Air Motor Service
7. Pull the piston assembly (G) from the air motor
base (F), and set it aside.
8. Remove the bearing housing assembly (26 or 27)
for all Models except Model 206955. Remove and
wipe the seat clean with a cloth. For model
206955, remove retainer ring (3) and bearing (4).
Remove seal (2, 27 or 28).
9. Remove the base from the vise, and set it upright
on the workbench.
10. Place the piston rod flats in a vise.
Fig. 2
B
C
E
D
F
A
G
05703
11. Use a screwdriver to push down on the trip rod
yoke (O), and snap the toggles down. See Fig. 3.
WARNING
MOVING PARTS HAZARD
To reduce the risk of pinching or ampu-
tating your fingers, keep your fingers
clear of the toggle assemblies when you
are snapping the toggles (U in Fig. 3 ) up
or down.
12. In this step, while you are prying with the screw-
driver with one hand, cover the toggle assemblies
with your other hand so as to catch the spring-
loaded toggle assemblies when they snap out of
the lugs. Place the tip of a screwdriver into the
piston between the piston lugs (P) below the pivot
pins (Q) on the toggles, pry up with the screw-
driver handle to compress the springs on the
toggle assembly (U) up and away from the piston
lugs, and remove the parts. See Fig. 3.