100380 - REAR TINE TILLER
Replacement Belt Information
If the drive belt needs to be replaced, refer to the parts list for
information. The procedure requires average mechanical ability
and commonly available tools to change or replace.
LENGTH (inches)
7PK612
24 in. ± 0.24 in.
5PK730
29 in. ± 0.20 in.
LENGTH (mm)
7PK612
612.0 ± 6.0 mm
5PK730
730.0 ± 5.0 mm
Belt Tension Adjustment
Proper belt tension is critical to good performance. After 1/2 hour
of operation, all cables may have to be adjusted due to initial
stretch. Thereafter, check tension after every 2 hours of operation.
To increase belt tension:
1. Turn jam nut clockwise in 1/8 in. (3 mm) increments.
2. Check adjustment.
To decrease belt tension:
1. Turn jam nut counter-clockwise in 1/8 in. (3 mm) increments.
2. Check adjustment.
3. This procedure can be repeated until conduit adjustment bolts
are fully adjusted. If no more adjustment can be made, belt
may have to be replaced.
Change Forward/Reverse Belts
1. Turn off engine. Engine must cool completely before
proceeding.
2. Remove spark plug wire and secure away from spark plug.
WIDTH (inches)
0.95 in. ± 0.01 in.
0.70 in. ± 0.02 in.
WIDTH (mm)
24.20 ± 0.30 mm
17.80 ± 0.50 mm
INCREASE
DECREASE
TENSION
TENSION
29
3. Reduce the belt tension by loosening the forward and reverse
cable lower jam nut.
4. Remove the upper and lower belt guards.
5. To remove the reverse drive belt:
a. Remove the reverse belt idler.
b. Slide the belt free of the reverse belt guides and engine
pulley.
c. Pull belt down and away from the transmission pulley.
REVERSE BELT
IDLER
ENGINE
PULLEY
TRANSMISSION
PULLEY
REVERSE
BELT
6. To remove the forward drive belt:
a. Remove the two forward belt guide studs and forward
belt idler assembly.
MAINTENANCE