
Repair - Pneumatic Motor
3A6823A
21
10. Lubricate and install the o-ring (209) in the bottom
cover (201).
11. Install the piston bumper (228) on the bottom
cover (201).
12. Carefully place the bottom cover (201) on the cylin-
der (211), sliding the plunger (206) through the seal
stack. The manifold surfaces of the top and bottom
covers must align. Be sure the shield (212) is in the
groove on both the top and bottom covers. See F
10.
13. Install the tie bolts (210) hand tight. See the figure
on page 26.
14. Install two gaskets (214) on the manifold (215), and
install the manifold. Torque bolts to 95-105 in-lb
(11-12 N•m).
15. Align the pneumatic valve gasket (216) on the mani-
fold (215), then attach the pneumatic valve (217).
16. Tighten the bolts (210) halfway. Work in a
criss-cross pattern while tightening the tie bolts.
Check that the shield remains in the grooves on
both covers. Continue tightening the bolts in pattern
and torque to 25-30 ft-lb (34-40 N•m).
17. Lubricate and install the pilot valves (219) in the top
and bottom covers. Torque to 95-105 in-lb (11-12
N•m).
18. See
Reconnect the Pneumatic Motor
on page 22.
F
IG
. 9
239
233
233
239
240
203
239
239
239
233
233
204
202
201
Stack for models T6003 and T7505 only
Stack for all models except T6003 and T7505
U-cup up
U-cup up
U-cup
down
U-cup down
U-cup up
F
IG
. 10
201
206
211
213
212