DR Power 9 HP Pro (March 2010 - June 2012) - Manual (Page 18)

18 DR ® STUMP GRINDER
Replacing the Clutch
Tools and Supplies needed:

1/2" Wrench (6HP)

5/8" Wrench (9HP)
 Dead Blow Hammer
1. Place a 1/2" Wrench (6HP) or 5/8" Wrench (9HP) onto the Clutch Bolt and
rotate the Wrench counterclockwise until you feel some resistance (Figure
24).
2. Hit the Wrench with a Dead Blow Hammer to start the Bolt turning on the
Engine Shaft.
3. Remove the Bolt, Lock Washer, Large Flat Washer and Clutch from the
Engine Shaft.
4. Apply a never seize type grease to the Engine Shaft and install the new
Clutch (align the Clutch Key Slot with the Key on Engine Shaft) and secure
with the Bolt, Lock Washer and Large Flat Washer using a 1/2" Wrench
(6HP) or 5/8" Wrench (9HP).
Lubricate Cables
Supplies needed:
 SAE 30 Oil
1. Lubricate the ends of the Throttle and Brake Cables with SAE 30 Oil where
the cable goes into the sheathing.
2. Work the Cable Levers to work the Oil in between the Cable and Sheathing.
Adjusting the Handlebars
Supplies needed:

Two 9/16" Wrenches
 1/2" Wrench
1. Remove the left Wheel as described in the “Replacing the Wheels” section.
NOTE: The Brake Lever can be locked to aid in loosening the Hardware in the next
step, but must be unlocked to remove the Brake Drum.
2. Remove the four Bolts, Lock Washers and Flat Washers from the Brake
Drum with a 1/2" Wrench and pull the Drum from the Axle (Figure 25).
3. Remove the bottom Bolt, Flat Washers and Locknuts from both Handlebars
with two 9/16" Wrenches and just loosen the upper Hardware (Figure 26).
4. Rotate the Handlebars forward to adjust them higher or back to make them
lower and align with the holes in the Frame.
5. Reinstall the bottom Bolt, Flat Washers and Locknuts into both Handlebars
and tighten all Handlebar Hardware with two 9/16" Wrenches.
6. Reinstall the Brake Drum and Wheel on the left side of the machine.
Clutch
Figure 24
Dead Blow
Hammer
Bolt, Lock Washer
and Flat Washer
Figure 25
Brake Hub
Bottom Bolt, Flat
Washers and Locknut
Figure 26
Handlebar
When the Handlebars are adjusted to the highest setting, you should change the position of the Exhaust Deflector so it is oriented
45º downward to the left so it is not pointing directly at the Handlebar. The paint may be damaged if the Deflector is not rotated.