Service
24
310622ZAL
4.
With both fluid covers removed, using two 5/8 in.
wrenches hold the wrench flats (Y) on the plates of
each diaphragm assembly and loosen. One dia-
phragm assembly will come free and the other will
remain attached to the shaft.
5.
Disassemble the free diaphragm assembly.
6.
Remove plate (444) with bolt (143) installed, dia-
phragm (446), backer (447) if present, and plate
(445).
.
7.
Pull the other diaphragm assembly and the dia-
phragm shaft (121) out of the center housing (101).
Hold the shaft flats with a 19 mm open end wrench,
and remove the diaphragm assembly from the shaft.
Disassemble the remaining diaphragm assembly.
8.
Inspect the diaphragm shaft (121) for wear or
scratches. If it is damaged, inspect the bearings
(117) in place. If the bearings are damaged, refer to
Bearing and Air Gasket Removal on page 28.
9.
Reach into the center housing (101) with an o-ring
pick and hook the u-cups (110), then pull them out
of the housing. This can be done with the bearings
(117) in place. See F
10. Clean all parts and inspect for wear or damage.
Replace parts as needed.
F
IG
. 17
F
IG
. 18
TI8772a
446*
444
445
121
Y
143
447
TI4789a
121
101
Summary of Contents for SaniForce 1590 3A
Page 5: ...Models 310622ZAL 5...
