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Install the Rack Bearing
1. Put gear grease on the back of the rack bearing.
Slide it into the motor housing until the lip on the
bottom of the bearing snaps into place.
2. Line up the holes in the rack bearing with the holes
in the motor housing.
3. Apply blue thread locking compound to the rack
bearing screws (16). Insert the screws through the
motor housing holes and into the bearing. Torque
to 30 in-lbs (3 N•m).
Install the Output Shaft and 2nd
Stage Gear
1. Grease the threads and o-ring of the output shaft
bearing (19).
2. Apply gear oil or grease to the back of the output
shaft (18) and insert the output shaft into the motor
housing (1).
3. Hold the output shaft while inserting the 2nd stage
gear (10), lining up the gears of each so they mesh.
4. Turn the gear clockwise until the output shaft has
raised as high as possible and hold in place.
5. Slide the support washer (12), bumper (31), and
output shaft bearing (19) onto the output shaft (18)
as far as possible and hand tighten, then torque
70–80 ft-lbs (95 N•m).
Install the 1st Stage Gear
1. Slide the 1st stage gear (11) and bearing (11a) into
the motor housing (1).
2. For 2 hp models, line up the 1st stage gear with the
clearance flat of the fan drive on the rotor (77).
3. Line up the 1st stage gear with the 2nd stage gear
(10) so that the gears mesh together.
3A4801G
Gear and Output Shaft Replacement Kits: 26A401 (series A/B), 26A398 (series C), and 26A399
Replace the Bearing Adjuster
O-Rings
1. Remove the previously loosened jam nuts (46) from
the outside of the gear cover.
2. Using a 10 mm drive, remove the gear adjusters (15,
44) from the inside of the gear cover.
3. Remove the o-rings (37 and 45) and clean the
bearing adjuster threads.
4. Put the new o-rings (37 and 45) on the bearing
adjusters.
5. Grease the o-ring area of both bearing adjusters.
6. Apply thread sealant on the threads of the
adjusters.
7. Use a 10 mm drive to install each adjuster into its
appropriate hole.
F
. 22: Gear Cover Components
IG
15
2nd stage bearing adjuster
23
Gasket
37
O-ring, 2nd stage adjuster
44
1st stage bearing adjuster
45
O-ring, 1st stage adjuster
46
Jam nuts
88
Disc spring (Series A, B only)
29
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