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Service
Servicing the
the Agitator
Agitator Shaft
Servicing
Servicing
the
Agitator
Couplings
Couplings
Couplings
Setting
Setting
Setting the
the Agitator
the
Agitator Shaft
Agitator
1. With the agitator shaft (47) pushed up against
the washer (48), secure the lower portion of the
coupling half (52c) to the shaft by tightening the
coupling set screw against the flat on the shaft.
Leave about a 0.015 in. (0.38 mm) gap between
the coupling half and washer (48).
2. Align the upper coupling (52b) with the lower
coupling and tighten the four screws (26).
Tighten to 150–170 in-lbs (17–19 N•m). Leave
a 0.015 in. (0.38mm) gap between each of the
coupling halves and the spider (52d). Tighten the
set screw on the lower coupling (53b).
3. Connect the air regulator (38). Check for
proper alignment by running the agitator at low
pressures and speeds. If necessary, adjust the
alignment by loosening and retightening the four
adapter plate screws (26).
14
Shaft and
and
Shaft
and
Shaft Coupling
Shaft
Coupling
Coupling
Replacing the
the Agitator
Agitator Shaft
Replacing
Replacing
the
Agitator
1. Remove the agitator paddle (45). Remove the
set screw from the lower coupling (52b). Pull out
the agitator shaft (47) and install the new shaft.
Replace the agitator paddle (45).
2. With the agitator shaft (47) pushed up against
the washer (48), secure the lower portion of the
coupling half (52b) to the shaft by tightening the
coupling set screw against the flat on the shaft.
Leave about a 0.015 in. (0.38 mm) gap between
the coupling half and washer (48).
Replacing
Replacing the
Replacing
the Shaft
the
Shaft Seals
Shaft
1. Remove the guard mounting screw (75) and
remove the guard (74).
2. Remove the three cap screws (51) and washers
(40) from the mounting bracket (58), and remove
the air motor assembly.
3. With air motor assembly removed, remove the
set screw from the lower coupling half (52b). Pull
out the agitator shaft (47).
4. Remove the hex nut (49) and remove the shaft
housing (42). Remove the seals (42a) from the
shaft housing, and install the new seals.
5. Reinstall the shaft housing and shaft. Use
installation steps listed in Setting the Agitator
Shaft Coupling.
Installing
Installing
Installing the
the
the Motor
Motor Conversion
Motor
Follow these steps to install the motor conversion
kit 19A844.
1. Remove the existing motor and gearbox. See
manual 308371 for instructions.
2. Install the air motor.
Installing the Air Motor, page 13
Setting the Agitator Shaft Coupling, page
3. Install the air regulator and mufflers. See
Air Regulator and Mufflers, page 6
4. Attach the fittings (36, 8) and the hose (70) to
complete the conversion.
Shaft
Shaft
Seals
Seals
Conversion Kit
Conversion
Kit
Kit
See
and
14.
.
3A4797B
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