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
hydrocarbon solvents.
Failure to comply may lead to death or
serious personal injury.
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
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 15 for
component identification for all overhaul
procedures.
Disassembly
1 Secure pump in a soft-jaw vise at
adapter (3).
2 Extend primer rod (28) to end of primer
body (33). Apply air to motor as
necessary.
3 Gently remove elastic stop nut (30) from
primer rod using an appropriate size
punch in hole of primer rod to prevent
rotation.
4 Remove primer disc (29) from
primer rod.
5 Push primer rod into primer body.
Pump tube
(outer components)
6 Rotate primer body using a large wrench
or other suitable tool.
NOTE
Pump tube will break at one of three
places. Unscrew separated portion from
inner components of pump tube.
8
7 Remove follower tube (31) from
inner tube.
8 Unscrew air motor from adapter (3).
Rotate air motor.
9 Remove o-ring (2) from adapter.
NOTE
If pump was not leaking at top of
tube (16), do not separate adapter from
tube. Components are locked with low
strength threadlocker.
10 Unscrew tube (16) from adapter as
required.
11 Remove gasket (4).
12 Clamp retainer (18) horizontally in a
soft-jaw vise.
13 Unscrew primer body from
extension (22).
14 Remove o-ring (32) from primer body.
NOTE
Remove valve seat (26) squarely from
primer body. Should valve seat cock
during removal, realign and start again.
Gasket (4) may interfere.
15 Remove valve seat (26) from primer
body.
16 Remove gasket (4) from valve seat.
17 Unscrew extension (22)
from retainer (18).
18 Remove gasket (21) from extension.
19 Remove valve body (25) from extension.
20 Remove stop washer (23).
21 Remove seal (24) from valve body.
22 Remove bearing (20) and seal (19)
from retainer.
23 Unscrew tube (16) from retainer.
24 Remove gasket (4), bearing (17), and
additional gasket (4) from retainer.