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Assembly
NOTE
Refer to Fig. 3, page 9, Fig. 4, page 11,
Fig. 5, page 12 and Fig. IPB 1, page 15
for component identification for all
overhaul procedures.
NOTE
Prior to assembly, certain components
require lubrication. Refer to Table 4
for details.
Components lubricated in clean oil
Item Description
4
O-Ring, 1
/
in ID × 1
/
1
1
8
14
O-Ring, 1 in ID × 1
/
in OD
1
8
16
Seal, 0.6 in ID × 1 in OD
Pump tube
Tube
NOTE
Use care not to damage seal (16)
on threads of retainer (15). Angle seal,
lips first, into retainer then gently rotate
seal squarely in bore.
1 Install and seat seal (16), lip-end first, into
bottom of retainer (15).
2 Install and seat bearing (17)
and gasket (18) into retainer.
3 Screw retainer onto adapter (19).
Do not tighten at this time.
4 Install o-ring (6) onto top of retainer.
5 Screw tube (14) onto retainer. Do not tighten
at this time.
6 Install o-ring (4) and o-ring (6) onto tube
adapter (5). Make sure to place larger
o-ring on upper portion of tube adapter
(with cross-hole).
7 Screw tube adapter into tube. Do not
tighten at this time.
Piston
8 Install ball (11) into top of piston (13).
9 Screw rod (10) into piston until hole in rod
aligns with notch in piston.
10 Screw coupling (7) onto rod until
holes align.
NOTE
Support rod, piston, and coupling during
roll pin installation. Damage to
components can occur.
11 Install roll pin (12) to secure rod to piston.
Use a small hammer.
12 Install roll pin (9) to secure rod to coupling.
Use a small hammer.
Table 4
13 With a slight twisting motion, install piston,
piston end first, into top of tube. Ease
piston into seal.
14 Install and seat gasket (22) and stop (20)
onto bottom of adapter (19).
in OD
4
15 Install ball (21) into valve seat (23).
16 Screw valve seat into adapter.
NOTE
Press on ball to see that it moves freely.
This indicates stop is positioned
properly.
17 Tighten all components of pump tube.
Tighten sufficiently to properly crush
copper gaskets.
Connect pump tube to
air motor
18 Clamp air motor (3) in a vise with piston rod
19 Thread coupling onto air motor piston
Support coupling and air motor piston
rod during roll pin installation. Damage
to components can occur.
20 Install roll pin (8) to secure piston rod
21 Thread tube adapter into air motor and
10
facing upward.
rod until pin holes are in alignment.
NOTE
to coupling.
tighten securely. Use care when passing
over o-ring.
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