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Front
C
Figure 63
MEASURE FROM
CUTTING EDGE TO A
LEVEL SURFACE
Figure 64
7. If the measurements at positions B or C are not
correct, loosen the bolt attaching the rear chain to the
rear support arm (Fig. 65).
2
1
3
1
Figure 65
1. Rear chain
2. Rear support arm
3. Bolt
4. Jam Nut
8. Loosen the jam nut under the rear support arm and
adjust the adjustment bolt to get a measurement of
3–1/8 to 3–1/4 inches.
Note: It is recommended that both sides of the mower are
adjusted the same distance.
B
m–1078
m–2539
Front
6
7
2
4
5
m–6920
5. Adjustment bolt
6. Front swivel
7. Front support arm
49
9. Tighten the jam nut under the rear support arm and
tighten the bolt securing the chain to the rear support
arm.
10. Adjust the opposite side if needed.
Adjusting the Front–to–Rear Mower Pitch
1. Position the right blade front-to-rear (Fig. 66).
2. Measure the right blade at the A location (Fig. 66),
from a level surface to the cutting edge of the blade tip
(Fig. 67).
3. Record this measurement.
4. Measure the right blade at the B location (Fig. 66),
from a level surface to the cutting edge of the blade tip
(Fig. 67).
5. Record this measurement.
6. The mower blade should be a 1/4 to 3/8 inch
(6 to 10 mm) lower at position A than at position B
(Fig. 66). If it is not correct, proceed to the following
steps.
Front
Figure 66
MEASURE FROM
CUTTING EDGE TO A
LEVEL SURFACE
Figure 67
Note: Both of the front swivels need to be adjusted the
same amount to maintain equal chain tension.
7. Loosen the front swivel jam nuts, at the front of the
right and left swivels, approximately a 1/2 inch
(13 mm) (Fig. 68).
8. Adjust the lift nuts on both the left and the right side of
the machine to achieve 1/4 to 3/8 inch (6 to 10 mm)
lower in front at A than in the rear at B (Fig. 68).
A
B
m–1078
m–2539
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