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DISASSEMBLY PROCEDURE
1.
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17.
Remove Valve Cap (11470) and Trip
Rod Pin (11472).
Unscrew four Tie Rod Nuts (51009)
from Tie Rods (10294)
and lift Air
Valve Casting (237562)
off of Air
Cylinder (61041).
Remove Packing Nut (11904)
and
Packing Cap (11905) from Air Valve
Casting.
Remove four Valve Cover Screws
(236868)
and Cover (236286).
Remove four Toggle Plate Screws
(236869), Toggle Plate (91331) and
Trip Shoe Assembly (236941).
Remove
four
Valve
Seat
Bolts
(236870),
Springs
(55138),
Valve
Guide
Plate
(45605),
and
Valve
Slide, Seat and Gasket (83063).
Unscrew
Trip
Rod
Packing
Nut
(11476) from Air Valve Casting and
remove all packing parts.
Unscrew Foot Valve Body (13222)
from Pump Tube (61528).
Unscrew
Pump Tube from
Pump
Tube Adapter (14451).
Unscrew
Piston
Check
(16103)
from Piston Rod(16446) and remove
Pump Piston (92136)
and Spring
(55336).
Loosen
Nut (51086)
and unscrew
Pump Tube Adapter
from
Outlet
Casting (41257).
Unscrew Piston Rod from Plunger
Rod (14452).
Remove Air Cylinder
and Air Pas-
sage Tube (61502).
Place wrenches
on Air Piston Bolt
(11329) and Air Piston Nut (11337)
and unscrew Air Piston Nut allowing
removal of Air Piston Washers and
Air Piston Packing (34090).
Place wrenches
on Air Piston Bolt
and wrench
flast
of Piston
Rod
(11340)
and unscrew
Piston Rod.
Thread Piston Rod through
Gland
Packing and withdraw with Plunger
Rod from bottom of Outlet Casting.
Unscrew Gland Nut (12333)
from
Outlet Casting and remove all gland
parts
To reassemble,
reverse procedure.
Tighten fasteners per torque speci-
fications
supplied
IMPORTANT:
To prevent
damage
to
Pump Packings
and to help increase
Packing life, lube Air Cylinder, Air Piston
Rod and Plunger Rod before assembly.
NOTES:
1. Before
tightening
four Valve Seat
Bolts
align the Valve Slide, Seat
and
Gasket,
Valve
Seat
Gasket
(38162)
and
Air
Valve
Casting
(237562)
by placing a rod or ink pen
thru the center Port hole.
2. Start all fasteners
by hand to avoid
stripping threads when reassembling.
3. To install Piston Rings
a Install a Expander Ring (57132) in
the lower
piston
groove
of the
Pump Piston (92136).
b. install
the Piston
Ring (38129)
over the Expander Ring with their
gaps separated
180°.
c. Push the Piston
into the Pump.
Tube far enough to retain the lower
Piston Ring.
d. Repeat
procedure
to install
the
upper Piston Ring.
4
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