18
819.0254
Service
Diaphragm Repair
Tools Required
•
Torque wrench
•
10 mm socket wrench
•
15 mm socket wrench
•
O-ring pick
•
Lithium-base grease
Disassembly
NOTE: A Fluid Section Repair Kit is available. Refer to
page 24 to order the correct kit for your pump. Parts
included in the kit are marked with an asterisk, for
example (29*). Use all the parts in the kit for the best
results.
1.
Relieve the pressure.
2.
Remove the manifolds and disassemble the ball
check valves as explained on page
.
3.
Using a 10 mm socket wrench, remove the screws (6)
holding the fluid covers (2) to the air covers (4). Pull
the fluid covers (2) off the pump. See Fig. 11.
Fig. 11
WARNING
To reduce the risk of serious injury whenever you are
instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 11.
Apply medium-strength (blue) Loctite or equivalent to the
threads, and torque to 120 to 150 in-lb (14 to 17 N•m). See
Torque Sequence on page 25.
Arrow (A) must point toward air valve (B).
1
2
