Greensmaster Flex 21 Traction and Reel Drive System (Rev. C)Page 4 – 9
Service and Repairs
Reel Drive and Transmission Coupler Belt Replacement (Fig. 14 and 15)
The Flex 21 uses two identical positive drive belts to op-
erate the cutting unit. Replacement of these belts re-
quires the same procedure.
Removal
1. Park mower on a level surface. Make sure engine is
OFF. Remove high tension lead from the spark plug.
2. Remove belt cover to expose appropriate drive belt:
right side (Fig. 14) or left side (Fig. 15).
3. Loosen the two bearing housing mounting nuts.
4. Pivot bearing housing to loosen belt tension. Re-
move drive belt from the two pulleys.
Installation
1. Park mower on a level surface. Make sure engine is
OFF. Remove high tension lead from the spark plug.
2. Place a new drive belt onto the two pulleys.
3. Adjust drive belt tension (see Reel Drive Belt Adjust-
ment in this section).
4. Reinstall belt cover.
1. RH reel drive belt
2. Bearing housing nuts
3. Gearbox assembly
Figure 14
1
2
3
2
1. LH reel drive belt
2. Bearing housing nuts
3. LH cutting reel sideplate
Figure 15
3
2
2
1
Traction and Reel
Drive System
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