Service
Diaphragm Repair
Tools
Required
T
orque wrench
13 mm socket wrench
Adjustable wrench
19 mm socket 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.
WARNING
T
o reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure
on page 12.
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) of
f the pump. See Fig. 12.
04620
Fig. 12
1
2
23
101
A
2
B
Arrow
(A) must point toward air valve (B).
Y
ou must torque the eight long screws (108) first, then the
short screws (107). T
orque to 130–150 in–lb (15–17 N.m).
1
107
108
1
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