Maintenance
3A7519A
13
17. Remove the air motor (1) (F
. 15).
18. Using a 2 in. socket, loosen and remove the throat
seal retainer nut (19) (F
19. Remove the outlet housing adapter (16) (F
20. Remove the spacer (35), throat seal (5) and the
throat seal back-up rings (4) (F
. 17).
21. Remove the o-ring face seal (18) (F
. 17).
Reassemble
1.
Replace the o-ring face seal (18) with a new one
from the seal kit (F
2.
Replace the backup throat seal (34) with a new one
from the seal kit (F
3.
Replace the throat seal (5) and the throat seal
back-up rings (4) with new parts from the seal kit
(F
NOTE: The chamfer on the seal back-up rings must be
pointing away from the seal, the step on the spacer must
be pointing toward the back-up rings. (F
F
IG
. 14
F
IG
. 15
F
IG
. 16
17
1
F
IG
. 17
F
IG
. 18
16
5
4
18
19
35
16
5
4
18
34
35