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Belt tension control
Check the belt tension (see fig. 13) by applying a force of 12-15 lb. pushing against the
belt halfway between the pulleys. The belt deflection should be between
5
/
16
”-
3
/
8
”.
Belt tension adjustment
To adjust the tension do the following (see fig. 14):
1. Remove belt shields. Clean foreign material from the mower deck and belt area.
2. Loosen the four nuts holding the gearbox support plate to the central plate.
3. Loosen the two blocking nuts on the adjustment bolt.
4. Turn the adjustment bolt counter clockwise until the proper belt tension is reached.
This will draw the gearbox support plate to the rear, thus tightening the belts.
5. Tighten the two blocking nuts on the adjustment bolt.
6. Retighten the four nuts holding the gearbox support to the central plate.
7. Reinstall the belt shields.
4.05 - Belt Replacement
If the belts have been stretched or damaged to the point where the proper tension
cannot be obtained they must be changed.
To replace belts do the following:
1. Remove belt shields. Clean foreign material from the mower deck and belt area.
2. Loosen the four nuts holding the gearbox support plate to the central plate.
3. Loosen the two blocking nuts on the adjustment bolt.
4. Turn the adjustment bolt clockwise, pushing the gearbox support plate forward until
all tension is released (see fig. 14).
5. Loosen rear nuts holding central plate (do not remove them).
6. Remove front nuts holding central plate.
M
AINTENANCE
28 FRONTIER
G
ROOMING
M
OWER
O
PERATOR
’
S
M
ANUAL
Fig. 14
1
2
3
1. adjustment bolt
2. gearbox support plate
3. gearbox