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Greensmaster 1000/1600Page 7 – 10Cutting Unit
Bedknife to Reel Adjustment
1. Position mower on a flat level work surface. Make
sure engine is OFF. Remove high tension lead from the
spark plug. Remove reel contact:
A. On the GR1000, loosen the jam nuts on the bed-
knife adjusting screws and rotate adjusting screws
counterclockwise (Fig. 8).
B. On the GR1600, turn bedbar adjusting screws
counterclockwise (Fig. 9).
2. Tilt mower back on handle to expose bedknife and
reel.
Note: Each time adjusting screw is rotated one flat on
the GR1000, the bedknife moves 0.003 inch (0.076 mm)
closer to the reel. Each time adjusting screw is rotated
one click on the GR1600, the bedknife moves 0.0007
inch (0.018 mm) closer to the reel. DO NOT OVER-
TIGHTEN ADJUSTING SCREWS.
3. On one end of the reel do the following (Fig. 10):
A. Insert a long strip of newspaper between the reel
and bedknife.
B. On the GR1000, while slowly rotating the reel
forward, tighten bedknife adjusting screw one flat at
a time until the paper is pinched lightly.
C. On the GR1600, while slowly rotating the reel
forward, tighten bedbar adjusting screw clockwise
one click at a time until the paper is pinched lightly.
D. When inserted from the front and parallel to the
bedknife, a slight drag on the paper should result
when the paper is pulled.
4. Check for light contact at the other end of the reel
using paper and adjust as required. On the GR1000,
make sure jam nuts on the adjusting screws are tight-
ened upon completion of the adjustment (Fig. 8).
5. After the adjustment is accomplished, check to see
if the reel can pinch a strip of paper when inserted from
the front and cut the paper when inserted at a right angle
to the bedknife (Fig. 11).
A. It should be possible to cut the paper with mini-
mum contact between the bedknife and the reel
blades.
B. Should excessive reel drag of more than 7 in–lb
(8 kg–cm) be evident, it will be either necessary to
backlap or regrind the reel and bedknife to achieve
the sharp edges needed for precision cutting (see
TORO Sharpening Reel and Rotary Mowers Manu-
al, Form No. 80-300 PT).
1. Jam nut
2. Adjusting screw
3. Spring
Figure 8
1
2
3
Figure 9
1
1. Bedbar adjusting screw
Figure 10
Figure 11