Greensmaster Flex 18/21Traction and Reel Drive System Page 4 – 10
Traction Drive Belt Replacement
The traction drive system on Flex 18 and Flex 21 ma-
chines uses a positive drive belt on both sides of the
traction drum. Belt replacement on either side requires
the same procedure.
Removal
1. Park machine on a level surface. Make sure engine
is OFF. Remove spark plug wire from the engine spark
plug.
2. Remove transport wheels if attached (see Transport
Wheels in the Service and Repairs section of Chapter 6
– Chassis and Controls).
3. Remove flange nut that secures the belt cover (Fig.
9). Remove belt cover to expose the traction drive belt.
4. Loosen cap screw that secures idler bracket to frame
(Fig. 10). Pivot the idler pulley away from the drive belt
to loosen belt tension (Fig. 11).
5. Remove traction drive belt from both pulleys.
Installation
1. Park machine on a level surface. Make sure engine
is OFF. Remove spark plug wire from the spark plug.
2. Place traction drive belt onto both pulleys.
3. Adjust traction drive belt tension (see Operator’s
Manual).
4. Install traction drive belt cover and secure with flange
nut. Torque flange nut 100 in–lb (11.3 N–m).
5. Replace transport wheels if they were attached (see
Transport Wheels in the Service and Repairs section of
Chapter 6 – Chassis and Controls.
6. Connect spark plug wire to spark plug.
1. Traction belt cover 2. Flange nut
Figure 9
2
1
1. Side plate 2. Idler bracket cap screw
Figure 10
2
1
1. Idler pulley
2. Idler bracket
3. Traction drive belt
4. Drum pulley
5. Gearbox axle pulley
Figure 11
2
1
4
3
5
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