Haier 3150 SB Benutzerhandbuch

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Service
310622L
21
7.
Repeat for inlet manifold.
Reassembly
1.
Reassemble inlet and outlet fluid manifolds in 
reverse order. See step 6. Tighten clamps 
handtight.
2.
Reassemble ball or flapper check assembly in 
reverse order. See step 5. Tighten clamps 
handtight.
Diaphragm Repair 
Tools Required
Torque wrench 
5/8 in. wrench
19 mm open end wrench
O-ring pick
Lithium-base grease
Spanner wrench
Disassembly
1.
Relieve the pressure.
2.
Remove the manifolds and disassemble the ball 
check valves as explained on page 19.
3.
Hold fluid covers in place and remove the clamps 
(135). Pull the fluid covers (234) off the pump
.
4.
Non 3A approved diaphragms: With both fluid cov-
ers removed, using two 5/8 in. wrenches hold the 
wrench flats (Y) on the plates of each diaphragm 
assembly and loosen. One diaphragm assembly will 
come free and the other will remain attached to the 
shaft.
3A approved diaphragms: Diaphragms are assem-
bled handtight. To loosen, grip both diaphragms 
securely around the outer edge and rotate counter 
clockwise. One diaphragm assembly will come free 
and the other will remain attached to the shaft. Con-
tinue to step 6.
5.
Disassemble the free diaphragm assembly.
6.
Remove plate (444) with bolt (143) installed, dia-
phragm (446), backer (447) if present, and plate 
(445)
Lubricate clamps, clamping surfaces, and gaskets 
with waterproof, sanitary lubricant.
For flapper check, make sure flapper check (251) 
is placed properly in housing (248) groove and 
flapper retainer (253) is aligned with housing 
groove. Ensure that the flapper check moves freely.
F
IG
. 16
TI8771a
135
234
Y