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22. Grasp the handle of the Motor Housing in vise jaws
with the rotor shaft upward. Thread the Front End
Plate Spacer (35) into the Housing and using the end
plate spacer spanner, tighten the Spacer to 12 ft–lb
(16 Nm) torque. This is a left–hand thread; rotate
the wrench counterclockwise to tighten.
(Refer to Dwg. TPD1280).
COUNTERCLOCKWISE TO TIGHTEN
SPANNER
23. After installing the Front End Plate Spacer, grasp the
shaft of the Rotor and rotate it by hand. If the Rotor
does not turn easily, disassemble the motor unit and
determine where the assembly is binding. The motor
must rotate freely before proceeding further with the
assembly.
Assembly of the Impulse Mechanism
1. Insert the long shaft with the annular groove of the
Spring Guide (48) into the central opening of the
O–ring installer furnished with the Tool Kit (Part
No. 180PQ–99). Place the Spring Guide Seal (49) on
the tapered end of the installer and roll the Seal up the
taper and into the groove on the large body of the
Spring Guide.
(Refer to Dwg. TPD1281)
2. Insert the Relief Valve (47), large end trailing, into
the Liner (45). Insert the assembled Spring Guide,
long hub with annular groove leading, into the Liner
against the Relief Valve. (Refer to Dwg. TPD1282)
MAINTENANCE SECTION
(Dwg. TPD1280)
SPRING GUIDE SEAL
O–RING INSTALLER
(Dwg. TPD1281)
RELIEF VALVE
LONG END OF SPRING GUIDE
WITH GROOVE
3.
Place a Blade (53) into one of the slots of the Drive
Shaft (50) with the Blade Assembly Pins (54) inward.
4.
From the opposite side of the Shaft, encircle each Pin
with a Blade Spring (55).
5.
Install the Assembly Pins of the remaining Blade in
the open ends of the Springs.
(Refer to Dwg. TPD1283).
6.
Compress the Springs with the Blades until both
Blades are flush with the Drive Shaft and install the
assembly in the Liner with the output end of the
Drive Shaft protruding out the end of the Liner con-
taining the Spring Guide. (Refer to Dwg. TPD1284).
Make certain the ends of the Blades are flush with the
ends of the Liner.
26
LINER
(Dwg. TPD1282)
(Dwg. TPD1283)
(Dwg. TPD1284)
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