Repair/Service
Repair/Service
Repair/Service
Install
Install
Install the
the
the Diaphragm
Diaphragm
Diaphragm Repair
Repair
Repair Kit
Kit
Kit
The Diaphragm Repair Kit (17X733) is available
and can be ordered separately. See the Parts List
footnote in
.
Follow the
Pressure Relief Procedure, page 10
be-
fore you check or service the surge suppressor or
remove the surge suppressor from the system. All
fluid and air pressure must be relieved completely
before you attempt any service.
Disassemble
Disassemble
Disassemble the
the
the Surge
Surge
Surge Suppressor
Suppressor
Suppressor
1.
Follow the
Pressure Relief Procedure, page 10
to
relieve fluid and air pressure.
2.
Disassemble the air housing.
a.
Remove the cap screws (14) and lock
washers (23)
b.
Separate the air cover (13) from the piston
housing (6). Be careful that you do not
damage the machined flange surfaces or
components attached to either housing.
c.
Use a 10 mm socket driver to loosen the
piston assembly (P). Unscrew and remove
the piston assembly (P) from the piston
housing (6)
3.
Disassemble the piston assembly (P).
a.
Clamp the shaft (8) on the flats in a vise.
b.
Unscrew the retaining screw (12).
c.
Separate the shaft (8), screw (12), and piston
(9).
d.
Inspect the o-ring (11). Replace if necessary.
4.
Reassemble the piston assembly (P).
a.
Install the o-ring (11) into the piston (9), and
apply grease.
b.
Press the retaining screw (12) into the piston
(9) by hand.
c.
Hand thread the shaft (8) onto the screw (12).
d.
Clamp the shaft (8) on the flats in a vise, and
torque the screw (12) to 75-85 ft-lb.
5.
Disassemble the fluid housing.
a.
Remove the cap screws (22).
b.
Separate the fluid cover (1) from the piston
housing (6).
c.
Remove the diaphragm (2), diaphragm plate
(17), and washer (3).
d.
Inspect the L-cup seal (5), bearings (4), and
o-rings (16, 10). Replace if necessary.
12
3A6103A
