Service hints
A
Replace air motor packing group at pump overhaul.
Refer to air motor manual for details.
B
Make sure adapter (13) is flush with air motor base.
Air motor packing group may contain improper
components.
A
C
Apply threadlocker to ball stop (20) at initial
assembly. Ball check may not operate properly.
D
Check to ensure ball (23) seats properly in
B
piston (25). Leakage can occur.
E
Check to ensure ball (23) moves a minimum of
/
in (3.2 mm). Pump may not prime.
1
8
F
Check to ensure o-ring (42) is installed.
C
Follower plate will not operate correctly.
G
Do not overtighten nut (40). Damage to pin (38)
may occur.
D
E
F
G
13
Fig. 4