Ariens Pro 28 Owner's Manual page 30

7
4
6
1. Traction Drive Belt
2. Engine Sheave
3. Belt Finger
4. Attachment Belts Idler
5. Attachment Pulley
6. Attachment Idler Adjustment Nut
7. Traction Belt Idler
8. Traction Drive Pulley
9. Stop Bolt
Figure 32
3. Pull idler away from traction drive belt
and remove belt from idler pulley, engine
sheave and driven pulley (it may be
necessary to turn engine pulley using
recoil handle).
4. Install new traction drive belt onto driven
pulley and engine sheave.
5. Pull the drive plate assembly toward the
friction disc and tighten the stop bolt.
NOTICE: Make sure the drive plate assembly
return spring remains connected to the frame.
6. Replace attachment drive belts (see
Install New Attachment Drive Belts on
page 29).
FRICTION DISC REPLACEMENT
(Figure 33)
1. Shut off engine, remove key, disconnect
spark plug wire and allow unit to cool
completely.
2. Place unit into service position 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 nearest drive
sprocket from hex shaft.
7. Remove left bearing flange from frame.
8. Slide hex shaft to the left to remove
3
pinion sprocket and friction disc
assembly from hex shaft.
NOTICE: Be sure to save washers between
2
bearing and speed selector arm for
reassembly.
1
9. Remove friction disc assembly from
frame.
9
10. Remove three screws holding friction
disc to carrier bearing.
8
1
5
5
8
1
1. Hex Bolt
2. Speed Selector Arm
3. Friction Disc
4. Pinion Sprocket
5. Bearing Flange
6. Hex Shaft
7. Drive Plate Assembly
8. Stop Bolt
9. Spring Clip
11. Remove old friction disc. Put the new
friction disc in place, cup side to carrier
bearing.
12. Reinstall three screws onto new friction
disc and carrier bearing. Torque to
5 – 6 lbf-ft (6.78 – 8.14 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 disc
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.
EN - 30
3 9
1
2
1
Figure 33
4
6
7