7-31Z Master Z400 Service Manual
7
Fig 506 g.59G001925
1. Raise the mower lift lever to the transport position.
2. Check the distance between the two large washers.
Itshouldbe11-1/8inches(28.2cm)for52inch
(132.1cm) mower decks (Fig. 506).
7. Loosen the front swivel jam nuts, at the front of the
rightandleftswivels,approximately1/2inch(13mm)
(Fig. 504).
8. Adjust the lift nuts on both the left and the right
sideofthemachinetoachieve1/4to3/8inch(6to
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.
MOWER DECKS/PTO
Adjusting the Compression Spring
1. 11-1/8”(28.2cm) 5. Swiveljamnut
2. Front nut 6. Lift nut
3. Spring jam nut 7. Front support arm
4. Front swivel 8. Large washer
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).