Toro 39519, Руководство оператора

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Adjusting the Caster Pivot
Bearings Pre-Load
Note:
If you disassemble the caster pivot bearings,
ensure that the spring-disc washers are installed as
shown in
Figure 42 .
1. Remove dust cap from caster hub ( Figure 42 ).
g026022
Figure 42
1. Dust cap 4. Spindle
2. Locknut 5. Caster hub
3. Spring-disc washers
2. Tighten the locknut clockwise until spring-disc
washers are flat (
Figure 42 ).
3. Rotate the locknut counterclockwise 1/4 of a
turn (
Figure 42 ).
4. Install the dust cap ( Figure 42 ).
Maintaining the Chain
Adjusting the Jackshaft Drive
Chain Tension
1. Shut off the engine, engage the parking brake,
remove the key, and wait for all moving parts to
stop before leaving the operating position.
2. Lift the rear of the machine and support it using
jack stands or equivalent support.
3. Check the chains on both sides of the machine
for proper tension.
Note:
The chains should move up and down 6
to 12 mm (1/4 to 1/2 inch).
4. At each side of the machine, loosen the 3 nuts
and bolts that secure the transmission mount
and tensioner plate, and the 2 nuts securing the
adjustment bolt at the tensioner plate as shown
in
Figure 43 .
Note:
You must loosen the nuts and bolts that
secure the transmission mount and tensioner
plate at both sides of the machine.
g020261
Figure 43
1. Hydro mounting bolts and
nuts 4. 6-12 mm (1/4-1/2 inch)
2. Nuts 5. Guard removed for clarity
3. Adjustment bolt
5. Turn the adjustment bolt to move transmission
adjustment plates and transmission.
6. When the chains can move up and down 6 to 12
mm (1/4 to 1/2 inch), tighten the nuts on both
sides of the adjustment bolts.
7. Tighten nuts and bolts that secure the hydro
mounting.
8. Adjust traction-control linkage, refer to Adjusting
the Traction-Control Linkage (page 44) .
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