Toro Z Master 500 Series, Service Manual, Page: 164 / 168

7-27 Z Master 500 Gas Series Service Manual
7
MOWER DECKS/PTO
Fig 446 fig. 75 m-3746
11. If the mower idler plate contacts the end of the
adjustment slot and more belt tension is required, a
small change to the right side fixed idler can create
more belt tension adjustment (Fig. 446).
10. Adjust the belt tension and the idler plate, if
necessary, and tighten all hardware securely (Fig.
445).
1. Fixed idler 2. Adjustment slot
Fig 445 fig. 73 m-6826
1. Mower idler plate 3. Ratchet or breaker bar
2. Square hole 4. Idler plate bolt
1. Position mower on a flat surface.
2. Disengage the PTO, move the motion control levers
to the neutral locked position and set the parking
brake.
3. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
4. Check the tire pressure of all four tires. If needed,
adjust to 13 psi (90 kPa).
5. Lower the mower to the 3 inch (76mm) height-of-cut
position.
6. Inspect the four chains. The chains need to have
tension.
• If one rear chain is loose, lower (loosen the front
support arm on the same side. Refer to Adjusting
the Front-to-Rear Mower Pitch on page 7-29.
• If one front chain is loose, raise (tighten) the front
support arm for that chain. Refer to Front-to-Rear
Mower Pitch on page 7-29.
Leveling the Mower
Setting up the Machine