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How to Check and Adjust the Motion Drive Belt
If the motion drive belt is loose, the belt will slip when; (1)
going up a hill, (2) pulling a heavy load, or (3) the unit will
not move forward. Adjust the belt as follows.
WARNING: Before you make an inspection,
adjustment, or repair to the unit, disconnect the
wire to the spark plug. Remove the wire from the
spark plug to prevent the engine from starting by
accident.
1. Check the routing of the motion drive belt. Make sure
the belt is installed correctly and is inside all the belt
guides.
2. Disconnect the clutch link from the idler arm (Figure
27).
3. Align the hole in the brake lever with the hole in the
frame. Hold the brake lever in place with a 1/4 inch (6
mm) pin or bolt (Figure 28).
4. Rotate the clutch link until the mounting hole in the
clutch link is aligned with the hole in the idler arm as
shown in Figure 27.
5. Connect the clutch link to the idler arm
(Figure 27).
6. Remove the 1/4 inch (6 mm) pin or bolt
(Figure 28).
Figure 27: Aligning clutch link
A - Mounting holes
B - Idler arm
C - Clutch link
D - Clutch rod
7. If the belt still slips after the belt has been adjusted,
then the motion drive belt is worn or damaged and
must be replaced. See “Replacing The Motion
Drive Belt”.
D
C
B
A
Figure 28: Adjusting motion drive belt
A - 1/4" (6mm) Pin or bolt
B - Clutch link
C - Idler arm
D - Idler spring
E - Motion drive belt
F - Belt guide
G - Brake lever
A
B
D
E
F
G
C