Maintenance and repair
WARNING
Do not use halogenated hydrocarbon
solvents such as methylene chloride or
1, 1, 1-trichloroethane in this pump
An explosion can result with aluminium
and/or zinc-plated parts in pump come
in contact with halogenated hydrocar-
bon solvents
Failure to comply may lead to death or
serious personal injury
WARNING
Release all pressure within system prior
to performing any overhaul procedure
• Disconnect air supply line from pump
motor
• Into an appropriate container, operate
control valve to discharge remaining
pressure within system
Failure to comply may lead to per-
sonal injury
WARNING
Do not point a control valve at any
portion of body or another person
Accidental discharge of pressure and/or
material can occur
Failure to comply may lead to death or
serious personal injury
Overhaul
NOTE
Refer to Fig. 3 (page 11), Fig. 4
(page 11), Fig. IPB 1 (page 17) and
Fig. IPB 2 (page 19) for component
identification on all overhaul procedures
Disassembly
1 Unscrew adapter (11) from air motor
housing
2 Remove washer (10) and rubber
bushing (9)
Separate pump tube from
air motor
3 Clamp motor housing horizontally in
a vise
4 Loosen jam nut (22) that secures pump
tube to air motor (2)
NOTE
Support pump tube during removal
Damage to components can occur
8
5 Unscrew pump tube (26) with attached
components from air motor
6 Pull on pump tube to expose
coupling (24)
7 Remove upper spring clip (23) that
secures pump tube rod (25) to
coupling (24)
8 Unscrew coupling from air motor piston
rod Rotate entire pump tube assembly
Pump tube upper packing
9 Unscrew cap screws (8) that secure
body (7) to air motor assembly Do not
remove cap screws from body
10 Remove body from air motor Use cap
screws as levers
11 Position body on bench with larger
diameter facing upward
12 Remove aluminium gasket (20),
washer (21), and additional gasket (20)
from body
13 Remove spacer (19), washer (18), and
seal (17)
14 Remove lantern ring (16) with seal (15),
and spacer (14) Remove seal from
lantern ring
15 Remove o-ring (13), o-ring (5), and
o-ring (6) from body