Toro Z Master Z400 Series - Page 184

7-27Z Master Z400 Service Manual
7
MOWER DECKS/PTO
Note: Do not remove the spring from the eye bolt.
The spring is under tension when installed
and can cause personal injury.
Do not remove the spring from the spring
eye bolt.
6. Remove the spring loaded idler pulley (Fig. 498).
7. Route the new bolt through the idler arm (Fig. 498).
8. Install the idler pulley and route the belt onto the
other pulleys (Fig. 499).
Fig 499 g.46G002035
5. Remove the old belt.
Note: Start at the outside pulley and rotate the belt
off (Fig. 499).
!
1. Mower belt 4. Spring
2. Idler arm 5. Idler pulley
3. Outside pulley
Adjusting the Mower Belt Tension
9. Tighten the outer nut on the spring eye bolt (Fig.
498).
Note: Check the spring length. The spring should
measure 9-3/8 + 1/8 inch (238 + 3mm) with belt
installed. Adjust it if it does not (Fig. 498).
10. Install the belt covers over the outside spindles.
Z 100 Series
1. Disengage the PTO, move the motion control levers
to the neutral locked position, and set the parking
brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Remove the belt covers over the outside spindles.
4. Loosen the outer nut on the spring eye bolt (Fig.
500).
Fig 500 g.45G002034
1. Outer nut 5. Spring
2. Idlerpulley 6. 9-3/8+1/8inch
3. Idler arm (238 + 3mm)
4. Spring eye bolt 7. Mower belt