Adjusting The Compression Spring - Toro Z Master Z400 Series Service Manual

7. Loosen the front swivel jam nuts, at the front of the
right and left swivels, approximately 1/2 inch (13mm)
(Fig. 504).
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
10mm) lower in front at A than in the rear at B (Fig.
504).
9. Tighten both swivel jam nuts against the front swivel
to lock the height.
10. Check to make sure there is equal tension on the
chains and adjust again if needed.

Adjusting the Compression Spring

1. Raise the mower lift lever to the transport position.
2. Check the distance between the two large washers.
It should be 11-1/8 inches (28.2cm) for 52 inch
(132.1cm) mower decks (Fig. 506).
Fig 506
1. 11-1/8" (28.2cm)
2. Front nut
3. Spring jam nut
4. Front swivel
Z Master Z400 Service Manual
fig. 59 G001925
5. Swivel jam nut
6. Lift nut
7. Front support arm
8. Large washer
MOWER DECKS/PTO
3. Adjust this distance, by loosening the spring jam nut
and turning the nut in front of each spring (Fig. 506).
Note: Turning the nut clockwise will shorten the
spring; counter-clockwise will lengthen the
spring.
4. Lock the nut into position by tightening the spring
jam nut (Fig. 506).
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