Lubricating The Casters - Toro 39521 Operator's Manual

30in stand-on aerator
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1.
Shut off the engine, engage the parking brake,
wait for all moving parts to stop, and remove
the key.
2.
Check the chain tension
sides of the machine.
Note:
The chains should move up and down 6
to 12 mm (1/4 to 1/2 inch).
3.
If the chains pop or snap; refer to
the Jackshaft Drive-Chain Tension (page
Adjusting the Drive Wheel Chain Tension (page
49), or
Adjusting the Tine Drive Chain (page
Lubricating the Chains
Service Interval: Before each use or daily
Important:
Do not lubricate chains with
penetrating oil or solvents. Use oil or chain
lubricant.
1.
Shut off the engine, engage the parking brake,
wait for all moving parts to stop, and remove
the key.
2.
Raise the machine and support it with jack
stands with a 460 kg (1,015 lb) capacity.
CAUTION
Raising the machine for service
or maintenance relying solely on
mechanical or hydraulic jacks could be
dangerous. The mechanical or hydraulic
jacks may not be enough support or may
malfunction allowing the machine to fall,
which could cause injury.
Do not rely solely on mechanical
or hydraulic jacks for support. Use
adequate jack stands or equivalent
support.
3.
Start the engine and move the throttle level
ahead to the half-throttle position.
WARNING
Engine must be running and drive wheels
must be turning so adjustments can be
performed. Contact with moving parts or
hot surfaces may cause personal injury.
Keep your fingers, hands, and clothing
clear of rotating components and hot
surfaces.
4.
Disengage the parking brake.
5.
With the engine running, slowly move the
motion-control levers forward and lubricate all 6
chains
(Figure
33).
(Figure
33) at both
Adjusting
48),
58).
6.
Check the condition and tension of the chains;
refer to
Checking the Condition of the Chains
(page
35).

Lubricating the Casters

Grease type: National Lubricating Grease Institute
(NGLI) grade No. 2 multi-purpose gun grease.
Greasing the Caster Pivots
Service Interval: Yearly
1.
Remove cap and hex plug from the top of the
caster pivot
(Figure
1. Hex plug
2. Grease fitting
2.
Thread grease fitting in hole
3.
Pump grease into the fitting until grease oozes
out around top bearing
4.
Remove grease fitting and install the plug that
you removed in
5.
Install the cap that you removed in step
34).
6.
Repeat steps
36
34).
Figure 34
3. Caster pivot
4. Cap
(Figure
(Figure
34).
1 (Figure
34).
1
through
5
to the other caster.
g025955
34).
1 (Figure

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