Toro Z597-D Z Master, Operator'S Manual

Page: 48 / 68

7. Check to make sure the coils of the spring on
the spring-loaded idler pulley have the correct
measurement (Figure 62).
8. Repeat as necessary on the opposite side of
the machine.
Figure 62
1. Spring/Spring coils 3. Right spring
measurement-5-1/2 ±
1/8 inch (14.0± 0.3 cm)
2. Left spring
measurement-5-3/4±
1/8 inch (14.6± 0.3 cm)
Figure 63
1. Left adjustable pulley 4. Right adjustable pulley
2. Left spring loaded idler
pulley
5. Right spring loaded idler
pulley
3. Back of the machine
Replacing the Pump Drive
Belt
Check pump drive belt for wear after every
50 hours of operation.
1. Tilt the seat forward and remove the front
engine panel.
2. Pull the spring loaded idler down and remove
the traction belt from the engine and hydro
pump pulleys (Figure 64). Remove the belt
between the pulleys.
3. Install the new belt around the engine and
hydro pump pulleys (Figure 64).
4. Pull the spring loaded idler down and align it
below the traction belt. Release the pressure
on the spring loaded idler (Figure 64).
Figure 64
1. Spring loaded idler pulley 2. Pump drive belt
Replacing and Tensioning
the Alternator Belt
Check the alternator belt for wear after every
50 hours of operation.
Replacing the Alternator Belt
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. Tilt the seat forward and remove the front
engine panel (Figure 65).
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