7-49Z Master 597 Diesel Series Service Manual
7
MOWER DECKS
Fig 562 g. 70 m-6831a
3. Record the measurement.
4. Measure the right blade at the B location (Fig. 560)
from a level surface to the cutting edge of the blade
tip (Fig. 561).
5. Record this measurement.
6. The mower blade should be 1/4 to 3/8 inch (6 to
10mm) lower at position A than at position B (Fig.
560). If it is not correct, proceed to the following
steps.
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 1/2 inch (13mm)
(Fig. 562 and Fig. 563).
4. Front swivel 6. Lift nut
5. Swivel jam nut 7. Front support arm
Fig 563 g. 70 m-6831 rev
8. Adjust the lift nuts on both the left and the right side
of the machine (Fig. 562 and Fig. 563) to achieve
1/4 to 3/8 inch (6 to 10mm) lower in front A than in
the rear at B (Fig. 560).
4. Front swivel 6. Lift nut
5. Swivel jam nut 7. Front support arm
9. Tighten both swivel jam nuts against the front swivel
to lock the height.
10. Check to make sure there is equal tension on chains
and adjust again if needed.
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