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Page
| 18
Copyright © 2022 White Knight Fluid Handling | A Graco company
9/14/2022 Version 1.1.8
187 E. 670 S., Kamas, UT 84036
435.783.6040 888.796.2476
4.7 Assembly Instructions
Use tie rods to attach heads and retainer
rings. Install all rods but do not tighten.
Verify that top and bottom rods pass
through the manifold nuts placed in heads.
Apply antiseize lubricant to each tie rod.
Insert pilot assembly into air
motor and tighten with four pin
wrench. Repeat for other side.
Taking care to not damage the
shaft bore or O-ring grooves,
replace the shaft O-rings.
Replace all
plastic caps.
Replace inserts and porous poly
baffles. Secure muffler cap with
screws using 4 mm Allen Wrench.
Torque to 16 in-lbs. (18 kg-cm).
1.
2.
3.
5.
7.
10
.
11
.
4.
9.
Taking care to not damage the check
bore areas; replace bottom check valve
parts and O-rings. NOTE ORDER OF
CHECK VALVE ASSEMBLY, different
from top check valves.
Note locations
of O-rings.
Note locations of
O-rings, same on
both sides.
Replace outlet manifold and
top retainers using 10 mm
socket. Apply antiseize
lubricant to each tie rod.
Do not tighten.
Align strike plate and thread one diaphragm to the
shaft and push it through the shaft bore. Align and
thread the second diaphragm and strike plate onto
shaft. Make sure the diaphragms are snug on shaft.
Replace inlet manifold and bottom
retainers using 10 mm socket.
Do
not tighten
. Return to page 16 and
follow torque instructions.
Return to page 16
and follow torque
instructions before
advancing to step
# 11.
Taking care to not damage the check
bore areas, replace top check valve
parts, wearable surface and O-rings.
NOTE ORDER OF CHECK VALVE
ASSEMBLY, See Exploded View
6.
Order from body:
screen, baffle,
screen, baffle,
screen, cap.
Note
direction of
Bellville
washers
(cup to cup)
Note direction of
Bellville washers
(cup to cup)
Note
direction of
Bellville
washers
(cup to cup)
Verify
Glide Seals
fully seat in
groove
Taking care to not damage the shaft bore or O-ring
grooves, replace the shaft glide seals by pinching the
glide seal with needle nose pliers (rubber tipped) to form
a kidney shape and insert into groove. (both sides)
Note Locations of Glide Seals
Align pin in
head with
hole in Pump
body
8.
Press wear-surfaces into
grooves in manifolds using
PVC tool and a dead blow
mallet. Note: different parts for
top and bottom manifolds.
12.
Tighten to flush.
DO NOT OVER
TIGHTEN
Apply
Loctite 242
(or
equivalent)
to both ends
of each
threaded
stud
