6
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5. Install the Assembly Pins of the remaining Blade in the open ends
of the Springs.
Refer to Dwg. TPD1307.
(Dwg. TPD1307)
6. Compress the Springs with the Blades until both Blades are fl ush
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
containing the Spring Guide.
Refer to Dwg. TPD1308. Make certain the ends of the Blades are
fl ush with the ends of the Liner.
(Dwg. TPD1308)
7. Install the Drive Shaft Seal (56) followed by the Seal Back–up Ring
(57) on the Drive Shaft against the hub.
Refer to Dwg. TPD1309.
Seal Back-up Ring
Drive Shaft Seal
(Dwg. TPD1309)
8. The Torque Adjustment Screw (30) can only be installed from the
liner end of the Impulse Housing (29). If the Torque Adjustment
Screw was removed, proceed as follows:
Insert a 1.5 mm hex wrench into the threaded hole for the
Torque Adjustment Screw from the oil plug end of the
Housing.
From the opposite end of the Housing, install the hex of the
Torque Adjustment Screw onto the hex wrench.
Push the Screw and wrench toward the threaded hole until it
contacts the face of the Housing.
While applying fi nger pressure to the rivet end of the Screw,
rotate the wrench counterclockwise to thread the Screw into
the Housing. Continue rotating the Screw until the rivet end
stops against the face of the Housing.
a.
b.
c.
d.
Insert the two Adjustment Screw Plug Locks (31) and the Plug
Lock Spring (32) into the crosshole leading to the Adjustment
Screw. Thread the Plug Lock Screw (33) into the same hole to
capture the components.
Refer to Dwg. TPD1310.
Lock Screw
Lock Spring
Plug Locks
Riveted end
Torque Adjustment Screw
(Dwg. TPD1310)
9. If the Oil Stop Cap Assembly (51) was removed from the Front
Liner Cover (47), install the Stop Cap O–ring (52) and Back–up
Ring (53) in the groove of the Cap and insert the assembly into
the Cover.
Refer to Dwg. TPD1311.
Back-up Ring
Stop Cap O-ring
Oil Stop Cap
Front Liner Cover
(Dwg. TPD1311)
10. Install the Liner Cover O–ring (37) in the groove on the large
hub of the Rear Liner Cover (36). Align the pin holes in the face
of the Cover with the two Liner Pins (39) at the rear of the Liner
and place the Cover against the Liner. A groove will be formed
between the Liner and Cover for the Rear Liner Seal (55). Do not
attempt to put the Seal in the groove at this time.
11. Align the pin holes in the Front Liner Cover (47) with the Pins in
the front face of the Liner and place the Cover against the face of
the Liner. Another groove will be formed between the Liner and
Cover for the Front Liner Seal (54). Install both the Front and Rear
Liner Seals in the grooves at this time and stand the assembly on
the workbench with the output end of the Drive Shaft upward.
Refer to Dwg. TPD1312.
Liner Seals
(Dwg. TPD1312)
e.
