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Assembly
NOTE
Prior to assembly, certain components
require lubrication in clean oil. Refer to
Table 4 for details.
Components lubricated in clean oil
Item Description
5
O-Ring, 1-
/
in ID × 2 in OD
13
16
6
O-Ring, 1-
/
in ID × 2-
15
16
13
O-Ring, 1-
3
/
in ID × 1-
16
15
Seal, 0.812 in ID × 1.062 in OD
17
Seal, 0.812 in ID × 1.562 in OD
29
Wear ring (glass-reinforced nylon)
30
Seal, 1.00 in ID × 1.375 in OD
45
Seal, 0.50 in ID × 0.950 in OD
Pump tube upper packing
NOTE
Refer to Fig. 3, page 11 for a section
view of upper packing components.
1 Install o-ring (5) and o-ring (6)
onto body (7).
2 Position body with large diameter
upward.
3 Install o-ring (13) into body.
4 Install spacer (14) into body. Make sure
spacer centers and seats properly.
5 Install seal (15) (lip end first)
into lantern ring (16).
6 Install lantern ring into body. Make sure
ring centers and seats properly.
7 Install and seat seal (17) (heel end first)
into body.
NOTE
Do not place washer (18) inside
spacer (19). Damage to components will
occur.
8 Install washer (18) and spacer (19)
into body.
9 Lubricate air motor piston rod with
grease.
10 Install body (while holding spacer in
place) onto piston rod. Use a small
hammer or other suitable tool.
11 Rotate body to align product outlet with
the hole in air motor housing.
12 Install washer (10) and bushing (9) onto
adapter (11) (→ Fig. IPB 1, page 16).
13 Install adapter (with thread sealant) into
body. Do not tighten adapter at this time.
14 Install cap screws (8) that secure body to
air motor. Tighten each cap screw
securely.
Table 4
15 Tighten adapter into body.
16 Install aluminum gasket (20),
washer (21), and additional gasket (20)
into body. Make sure components
maintain their position.
/
in OD
1
8
5
/
in OD
16
Pump tube
NOTE
Refer to Fig. 5, page 12 for cross section
view of pump tube components.
17 Clamp flats of piston (33) into a soft-jaw
vise. Make sure piston bore points
upward.
18 Install retainer (34) (flange end first) into
piston. Make sure retainer centers and
seats properly.
19 Install spring (35) into piston.
20 Install ball (36) into spring.
21 Install washer (37) onto adapter (38).
22 Screw adapter (with low strength
threadlocker) into piston
(→ Fig. IPB 2, page 18).
Tighten securely.
23 Install washer (44) into valve body (46).
NOTE
Use care seating seal (45) into valve
body. Damage to seal can occur.
24 Install and seat seal (45) (heel end first)
into valve body.
25 Install additional washer (44) and
screw (43) into valve body. Do not tighten
or seat screw.
26 Lubricate primer rod with grease.
27 Install valve body onto upper end of
primer rod. Use a small hammer or other
suitable tool.
28 Tighten screw into valve body securely.
29 Install guide washer (42)
onto primer rod.
30 Screw primer rod (40) into adapter until
roll pin holes align.
Support primer rod and adapter during
roll pin (39) installation. Damage to
components can occur.
31 Install roll pin (39). Use a small hammer.
32 Install valve seat (47), plate (48),
33 Position adapter (41) horizontally into
Internally-threaded end of
adapter
34 Install gasket (27) into internally-
35 Install primer rod and piston (piston end
36 Install additional gasket (27) onto valve
Externally-threaded end of
adapter
37 Install spacer (32) into externally-
38 Install gasket (27) into adapter.
39 Position barrel (28) with large diameter
40 Install wear ring (29) into barrel.
41 Install and seat seal (30) (lip end first)
42 Install bearing (31) into barrel.
Use care installing barrel over threads of
piston (33). Damage to seal can occur.
43 Install barrel (large diameter first) onto
44 Install gasket (27) onto barrel.
45 Screw upper and lower couplings (23)
46 Install spring clips (24).
47 Screw rod and coupling onto piston.
48 Install spring clip (24).
10
NOTE
and stop nut (49) onto primer rod.
Tighten stop nut securely. Place a small
punch into the hole of primer rod to
prevent its rotation
vise.
threaded end of adapter.
first) into adapter. Center and seat all
components properly. Pull on piston as
necessary. Use care to make sure gasket
does not move.
seat (47).
threaded end of adapter. Make sure
spacer centers and seats properly.
pointing upward.
into barrel.
NOTE
piston (33). Make sure barrel seats
properly against spacer (32).
onto each end of pump tube rod (25)
until spring clip holes align.
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