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Air Motor and Throat Service
6. Grip the toggle rockers (16) with a pliers. Com-
press the springs (17) and swing the toggle
assembly (K) up and away from the piston lugs
(L), and remove the parts. Check that the valve
actuator (13) is supported by the spring clips (4),
but slides easily into them. See Fig. 5.
7. Remove the trip rod yoke (14), valve actuator (13)
and trip rod (1). Check the exhaust valve poppets
(38*) for cracks.
Push toggles (K) in
and then up.
Turn wires up.
17
K
16
L
4
13
Fig. 5
1
14
28*
38*
37*
NOTE: To remove the exhaust valve poppets
(38*), stretch them out and cut with a sharp knife.
8. Pull the piston (5) up out of the base (56) and
inspect the piston o-ring (20*) and the o-ring in the
base casting.
27*
4
30*
13
18*
27*
M
5
56
CUTAWAY VIEW
ut off tops of
C
poppets (x) as
indicated by dotted
lines
1
38*
308777H
30*
27*
18*
27*
20*
0.125 in.
(3.18 mm)
37*
5
13
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