DR Power Self-Propelled 6.75 (2004 - September 2010) - Manual (Page 39)

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Trimmer Head Belt - All models
BEFORE PERFORMING ANY MAINTENANCE PROCEDURE OR INSPECTION, STOP THE ENGINE, WAIT FIVE (5)
MINUTES TO ALLOW ALL PARTS COOL. DISCONNECT THE SPARK PLUG WIRE, KEEPING IT AWAY FROM THE
SPARK PLUG.
USE ONLY DR BELTS ON YOUR MACHINE. DO NOT USE HARDWARE STORE VARIETY BELTS.
Tools and Part Needed:
•
9/16" Wrench or Socket
•
3/16" Allen Wrench
•
DR Drive Belt #114431
1. Remove the Mow-Ball™ Support Assembly. See
“Removing the Mow-Ball™ Support Assembly”
on page 31.
2. Remove the Stone Guard Flap. See “Removing
the Stone Guard Flap” on page 33. This step is
not applicable to the Self-Propelled model.
3. Remove the Bottom Shield. See “Bottom Shield”
on page 33 or 34 depending on your model.
4. Remove the four (4) Allen set screws on the
underside of the Lower Bearing Plate (Figure 26).
The Lower Bearing should come off with the
Plate (Figure 27).
5. Remove the Belt.
6. Install the new Belt. Be sure the Belt is on the
inside of Idler Pulley #2, the outside of Idler
Pulley #1 and correctly fitted around the Engine
Pulley and in between the Engine Pulley Belt
Guide (Figure 25).
7. Replace the Lower Bearing Plate, being sure to
align the notch with the locking tool hole in the
side of the Trimmer Housing and install the four
(4) set screws in this order: Install one (1) set
screw and make snug, then install and snug the
set screw opposite it. Repeat for the remaining
two (2) set screws.
8. Tighten all four (4) set screws in the same pattern.
Do not over tighten.
9. Reinstall the Bottom Shield and Stone Guard
Flap as applicable.
10. Reinstall the Mow-Ball™ Support Assembly.
Figure 26
Figure 27
4 Set Screws
Engine Pulley
Belt Guide
Lower Bearing
Housing Plate
Engine Pulley
Idler Pulley #2
Idler Pulley #1
Belt Guides
Figure 25
Lower Bearing Plate