Greensmaster Flex 1800/1820/2100/2120Traction and Reel Drive System Page 4 − 6
Adjustments
Cutting Unit Clip Adjustment
Cutting unit clip adjustment on the Flex machines can be
changed by installing the cutting unit drive pulleys to the
appropriate locations on the reel drive assembly. Clip
frequency pulley locations for 11 blade and 14 blade cut-
ting units are shown in Figure 8 below.
To adjust clip frequency, follow the following steps:
1. Park machine on a level surface. Make sure engine
is OFF. Remove spark plug wire from the engine spark
plug.
2. Remove reel drive cover and reel drive belt from side
of cutting unit (see Reel Drive Belt in the Service and Re-
pairs section of this chapter).
3. Loosen two (2) set screws from drive pulleys that are
to be removed. Slide pulleys from shafts.
4. Apply antiseize lubricant to top of woodruff keys. Ar-
range pulleys on reel drive assembly as needed for de-
sired clip frequency (Fig. 8).
5. Secure all pulleys with two (2) set screws. Torque
screws from 60 to 65 in−lb (6.8 to 7.3 N−m).
6. Install reel drive belt and reel drive cover to cutting
unit (see Reel Drive Belt in the Service and Repairs sec-
tion of this chapter).
7. Connect spark plug wire to spark plug.
1. Reel drive cover
2. Reel drive belt
3. Pulley
4. Set screw
5. Woodruff key
Figure 7
Antiseize
60 to 65 in−lb
(6.8 to 7.3 N−m)
Lubricant
2
1
3
5
4
Figure 8
POSITIONBLADES
CLIP
A11 14 B C
22
0.147 0.115
24 25
22
0.153 0.120
25 24
24
0.160 0.126
22 25
25
0.174 0.137
22 24
24
0.182 0.143
25 22
25
0.190 0.149
24 22
C
B
A
SET SCREW
60 − 65 IN LBS
22 TOOTH PULLEY IS ALUMINUM COLOR
24 TOOTH PULLEY IS BLACK COLOR
25 TOOTH PULLEY IS RED COLOR
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