Air Motor Repair
C 1-6
Part 1022914G03
E
2007 Nordson Corporation
Muffler and Air Valve Removal
See Figure C 1-5. These steps apply to both old- and new-style air motors.
1. Remove the four short socket-head screws (19) and lock washers (27)
from the mufflers (28) with a
3
/
16
-in. hex wrench.
2. Swing the mufflers away from the air cylinders and unhook them from
the air valve (25).
3. Remove the four large O-rings (26) from the air valve.
4. Remove the four
1
/
4
−
20 x 1.375 in. socket-head screws (A) from the air
valve with a
3
/
16
-in. hex wrench, then remove the air valve from the
cylinder heads. Refer to
Air Valve Rebuild
in this section.
5. Remove the four small O-rings (12) and two large O-rings (13) from the
grooves in the machined faces of each cylinder head.
1300389B
19
27
26
A
25
13
12
13
12
26
19
19
28
27
27
19 27
28
Figure C 1-5 Muffler and Air Valve Removal
−
Mufflers and Air Valve for Pump Revision D and Above Shown
12. Small O-rings
13. Large O-rings
19. Short socket-head screws
25. Air valve
26. Large O-rings
27. Lock washers
28. Mufflers
A.
1
/
4
−
20 x 1.375 in.
socket-head screws
