DR Power Tow-Behind Yard Trimmer - Manual (Page 17)

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Replacing the Mow-Ball ® or Line Plates
Tools and Supplies Needed:

Phillips head Screwdriver with at least a 6" shank
 Gloves
2. Align the hole in the Anti Wrap Canister with the hole in the internal housing
at the location shown (Figure 30).
3. Insert a Philips Head Screwdriver into the hole in the Anti Wrap Canister and
the hole in the internal Housing.
4. Rotate the Mow-Ball ® Assembly until the Screw Driver slides into a hole in
the shaft, locking it into place.
5. Looking down at the top of the Frame, turn the Mow-Ball ® counter clockwise
until it unscrews completely from the Bearing Housing.
Note: If the Mow-Ball ® continues to turn, but does not come off, check to be sure
that you locked the Screwdriver into the shaft.
If the Mow-Ball will not turn by hand a 9/16" Socket can be used on the Bolt
(inside the bottom of the Mow-Ball) to loosen it. You may need to clean grass
or debris out of the recess first.
6. Slide the Line Plates off the Shaft.
7. Place the Spacer and Anti Wrap Canister (with the lip facing up) onto the
Shaft (Figure 31).
8. Align the flats at the center of the Plates with the flat on the shaft and slide
the Line Plates onto the Shaft. Ensure they are facing top side up as shown.
9. Place the head of the Mow-Ball ® Bolt so it is sitting in the hex cavity at the
bottom of the Mow-Ball ® .
10. Looking down at the top of the Frame, hold the Bolt Head in place with your
finger and turn the Mow-Ball ® counterclockwise to start the Bolt into the
Shaft. The Bolt has a left hand thread.
11. Tighten the assembly securely by turning the Mow-Ball ® clockwise when
looking down on the top of the Frame.
12. Remove the Screwdriver.
Note: When finished there should be no gaps between any of the components.
Figure 30
Screwdriver
Mow-Ball ®
Trimmer
Cord
Loosen
Figure 31
Spacer
Line Plates
Anti Wrap
Canister
Mow-Ball ®
Mow-Ball ®
Bolt
Improper installation can cause damage to the trimmer bearings. Follow
these directions carefully to protect your machine from damage. Reassemble
the components in the order shown in figure 31.
Always make sure you remove the screwdriver from the head assembly when finished. Failure to remove the screwdriver could
cause injury when the head assembly is engaged.