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Service
Diaphragm Repair
Tools Required
•
Torque wrench
•
13 mm socket wrench
•
Adjustable wrench
•
19 mm open–end wrench
•
O-ring pick
•
Lithium-base grease
Disassembly
NOTE: A Fluid Section Repair Kit is available. Refer to page
25 to order the correct kit for your pump. Parts
included in the kit are marked with an asterisk, for
example (401*). Use all the parts in the kit for the
best results.
___________________________________________________
F
. 12
IG
Warning
To reduce the risk of serious injury whenever you are
instructed to relieve pressure, always follow the Pressure
Relief Procedure on page 13.
1.
Relieve the pressure.
2.
Remove the manifolds and disassemble the ball check
valves as explained on page 18.
3.
Using 13 mm socket wrenches, remove the screws (107
and 108) holding the fluid covers (101) to the air covers
(23). Pull the fluid covers (101) off the pump. See F
12.
1
You must torque the eight long screws (108) first, then
the short screws (107). Torque to 22–25 N•m. See
Diaphragm Kits, page 29.
2
Arrow (A) must point toward air valve (B).
B
23
.
IG
101
2
A
107
1
108
1
04620B
819.4496
19
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