Ariens POWER BRUSH 28 [25/30] Friction disc replacement

Ariens POWER BRUSH 28 [25/30] Friction disc replacement
GB - 25
FRICTION DISC REPLACEMENT
Remove Friction Disc
(Figure 28):
1. Shut off engine, disconnect spark plug
wire and allow unit to cool completely.
NOTE: Brush assembly and frame must be
separated in order to remove friction disc
(See Figures 15 and 16).
2. Tip the tractor frame up onto its front on
a level surface.
3. Remove both wheels.
4. Remove bottom cover by removing six
hex bolts.
5. Disconnect pivot pin from the speed
selector arm. Save the hardware for
reinstallation.
6. Remove spring clip pin nearest drive
sproket from hex shaft.
7. Remove left bearing flange from frame.
8. Slide hex shaft to the left to remove the
pinion sprocket and friction disc
assembly from the hex shaft.
NOTE: Be sure to save washers between
bearing and sliding fork for reassembly.
9. Remove friction disc assembly from
frame.
10. Remove three screws holding friction
disc to carrier bearing.
11. Remove old friction disc. Put the new
friction disc in place, cup side to carrier
bearing.
12. Reinstall three screws into new friction
disc and carrier bearing. Torque to 5 –
6 lbf-ft. (6.8 – 8.13 N•m).
13. Insert new friction disc assembly into
frame. Install washers onto carrier
bearing and slide into speed selector
arm.
14. Slide hex shaft through new friction plate
assembly. Install pinion sprocket onto
hex shaft and slide shaft into right
bearing.
15. Install left bearing using hardware
removed in step 7.
16. Reinstall clip pin into hex shaft.
17. Connect pivot pin to speed selector arm.
See Speed Selector Adjustment on
page 19.
18. Install bottom cover.
19. Reinstall wheels.
20. Return unit to upright position.
21. Connect spark plug wire to spark plug.
22. Adjust traction drive clutch. See Check
Belt Finger Clearance (Figure 25) on
page 24.
CAUTION: Always support Sno-
Brush frame and brush assembly
when loosening the cap screws
holding them together.
CAUTION: Before tipping unit,
remove enough fuel so that no spills
occur.
Figure 28
OS7142
1. Hex Shaft
2. Bearing
Flange
3. Speed
Selector Arm
4. Friction Disc
5. Spring Clip
6. Drive Plate
Assembly
7. Drive
Sprocket
2
4
1
5
3
6
7

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