Service
3A4552A
21
6.
Disassemble the outlet manifold. Remove clamps
(130), tee (339), gasket (129), and elbow (128).
Clean all parts and inspect for wear or damage.
Replace parts as needed.
7.
Repeat for inlet manifold.
Reassembly
NOTE:
Lubricate clamps, clamping surfaces, and gas-
kets with waterproof, sanitary lubricant.
1.
Reassemble inlet and outlet fluid manifolds in
reverse order. See step 6. Tighten clamps hand-
tight.
2.
Reassemble ball or flapper check assembly in
reverse order. See step 5. Tighten clamps hand-
tight.
NOTE:
For flapper check, make sure flapper check
(251) is placed properly in housing (248) groove. Ensure
that the flapper check moves freely.
Standard Diaphragm Repair
NOTE:
See page 24 for overmolded diaphragms,
including all 3A diaphragms.
Tools Required
•
Torque wrench
•
5/8 in. wrench
•
19 mm open end wrench
•
O-ring pick
•
Lithium-base grease
•
Spanner wrench
Disassembly
1.
Follow the
Pressure Relief Procedure,
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.
.
F
IG
. 16
TI8771a
135
234
Y