Service
310622ZAL
25
Reassembly
1.
Install the shaft u-cups (110) so the lips face out of
the housing (101). Lubricate the u-cups. See Reas-
sembly of Bearing, page 28.
2.
Assemble diaphragm (446), backer (447) if pres-
ent, and plate (445) onto plate (444) with screw
(143). Rounded side of plate (445) should face dia-
phragm. Make sure the side marked AIR SIDE
faces the center housing.
NOTE: Thread locker must be applied to screw (143) as
shown in F
IG
. 19 for all diaphragm assemblies.
3.
Screw assembled diaphragm assembly into shaft
(121) and hand tighten.
4.
Grease the length of the diaphragm shaft (121), and
slide it through the housing (101).
5.
Assemble the other diaphragm assembly to the
shaft as explained in step 2.
6.
Using a 5/8 in. wrench hold the wrench flats of one
diaphragm assembly and torque the other dia-
phragm to 60-70 ft-lb (81-94 N
•
m).
NOTE: Waterproof, sanitary lubricant may be applied to
the clamp (135) and clamping surface of the cover (234)
to ease assembly.
7.
Align the fluid covers (234) and the center housing.
Secure the covers with the clamps (135) and hand
tighten.
NOTE: A food grade anti-seize lubricant can be used on
the clamp threads to aid assembly.
8.
Reassemble the ball check valves and manifolds as
explained on page 21.
F
IG
. 19
446*
444
445
121
101
143
TI8774a
447
Apply a medium-strength thread locker to the shaft side of the
screw.
2
Apply a high-strength thread locker to attach the screw to the
diaphragm plate, if needed.
1
1
2
F
IG
. 20
135
234
TI8771a
Summary of Contents for SaniForce 1590 3A
Page 5: ...Models 310622ZAL 5...
