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Clean and inspect
NOTE
Use appropriate repair kit for
replacement parts. Verify all
components are included in kit and in
good condition before discarding used
parts.
1 Clean all metal parts in environmentally
safe cleaning solvent.
2 Inspect all parts for wear and damage.
Replace as necessary.
3 Inspect piston (25) closely. Use a
magnifying glass to detect any wire draw
marks. Replace as necessary.
4 Closely inspect mating surfaces of all
components for any imperfections.
Ensure a smooth and clean contact is
obtained when assembled.
Example: place ball (23) into piston (25).
Fill piston with solvent. Make sure no
leakage occurs.
Assembly
NOTE
Refer to Fig. IPB 1, page 17 for
component identification for all
assembly procedures.
NOTE
Prior to assembly, certain components
require lubrication. Refer to Table 4 for
details.
NOTE
If a primer is used with threadlocker,
curing time is greatly reduced.
Pump tube
(inner components)
1 Place ball (23) into piston (25).
2 Screw and seat ball stop (20) with
threadlocker into coupling (19).
Tighten securely.
3 Install washer (21) and spring (22)
onto ball stop.
4 Position locking washer (24) into groove
on top of piston.
5 Screw coupling into piston. Tighten to
19-21 ft-lbf (25.4 - 28.3 Nm).
Continue to tighten and align nearest
flat of coupling (19) with tabs on
locking washer (24).
NOTE
Press on ball (23) to ensure it moves a
1
minimum of
/
in (3 mm) prior to
8
contact with ball stop (20). Should value
be less than required amount, check to
ensure ball stop is fully seated in
coupling.
6 Bend tabs of locking washer upward
onto coupling.
10
7 Screw rod (38) into piston until pin
holes align.
8 Install pin (37).
NOTE
Use a spot of grease on all pins to
prevent movement.
9 Screw rod (18) into coupling (19) until
pin holes align. Install pin (17).
10 Screw coupling (15) (end without
counter-bore) onto rod until pin holes
align. Install additional pin (17).
11 Secure air motor in a soft-jaw vise.
12 Screw coupling onto air motor rod until
pin holes align. Install pin (16).
Lubricated components
Item
Description
12
O-ring, 1
1
/
in ID × 1
8
29
Seal, 0.540 in ID × 0.914 in OD
34
Seal, 0.282 in ID × 0.532 in OD
42
O-ring, 1 in ID × 1
/
1
4
Table 4
1
/
in OD
4
in OD
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