Greensmaster Flex 21Page 7 – 4Cutting Unit (Rev. C)
Separating Cutting Unit from Traction Unit
1. Position mower on a flat, level work surface. Make
sure engine is OFF. Remove high tension lead from the
spark plug.
2. Lower kickstand. Insert a 1/4” diameter pin (or equiv-
alent) into frame hole above kickstand mounting bolt to
lock kickstand in place (Fig. 2).
3. Remove grass basket, if installed.
4. Remove two cap screws securing cutting unit pivot
arms to traction unit frame tube (Fig. 3).
5. Rotate pivot arms forward and rest traction unit on
restrained kickstand.
6. Pull cutting unit forward about 2 inches (51 mm) and
then to the right to disengage the transmission coupler
(Fig. 4).
7. Reverse procedure to install cutting unit to traction
unit.
1. Kickstand 2. 1/4 inch pin
Figure 2
2
1
1. Cutting unit pivot arm
2. Traction unit frame tube
3. Cap screw
Figure 3
2
1
1
3
3
1. Coupler hex tube 2. Coupler hex shaft
Figure 4
1
2
Cutting Reel and Roller Seals
The Flex 21 uses cannister seals in the cutting reel and
rollers. This type of seal is internally lubricated and, like
other seals, could normally have a light lubricant film evi-
dent at the seal lips. Cannister seals will also cause a
slightly higher amount of drag than other seal types.
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