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Maintenance and repair
WARNING
Do not perform overhaul procedure
prior to releasing all pressure within
system.
• 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 death or
serious personal 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. IPB 1, page 17
and Fig. IPB 2, page 18 for component
identification for all overhaul
procedures.
Disassembly
Separate pump tube
from air motor
1 Clamp pump assembly vertically in vise
at bung adapter (25).
2 Remove screws (3), lock washers (4), and
nuts (5) that secure air motor assembly
to pump tube assembly.
3 Lift motor upward to expose upper
coupling (9) and at the same time place a
wood block (2 x 4 in) onto surface of
upper mounting (15)
(→ Fig. 4, page 15).
Separation of air motor from pump tube with use of wooden block
1)
1)
Wood block
2)
Spring cap
8
4 Lower air motor onto wood block.
5 Remove upper spring clip (10) that
secures air motor piston to coupling.
6 Rotate coupling until air motor
piston is free.
7 Remove air motor assembly.
Access to body packing
1 Remove lower spring clip (10) that
secures rod (11) to coupling.
2 Remove coupling from piston (11).
3 Remove packing screw (12) from gland
screw (16).
4 Clamp pump assembly horizontally in
vise at body (23).
5 Use wrench on bung adapter to unscrew
and remove cylinder (24) with attached
components from body.
2)
Fig. 3
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