Toro 23518, Operator'S Manual, Page: 19 / 56

Figure 14
1. Sprockets 2. Chains
Checking the Condition of the Chains
Service Interval: Before each use or daily
1. Turn the key in the ignition switch to the O
FF
position,
set the parking brake, wait for all moving parts to stop,
and remove key.
2. Check the chain tension ( Figure 14 ) at both sides of
the machine.
Note:
The chains should move up and down 6 to 12
mm (1/4 to 1/2 inch).
3. If chains pop or snap; refer to Adjusting the Jackshaft
Drive Chain Tension (page 39) , Adjusting the Tension
on the Drive-Wheel Chain (page 40) , or Adjusting the
Tine-Drive Chain (page 48) .
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. Turn the key in the ignition switch to the O
FF
position,
set the parking brake, wait for all moving parts to stop,
and remove 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. Turn the key in the ignition switch to the O
N
position,
and move throttle level ahead to 1/2 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 fingers, hands, and clothing clear of
rotating components and hot surfaces.
4. Release the parking brake.
5. With the engine running, slowly move the
traction-control levers forward and lubricate all 6
chains (
Figure 14 ).
6. Check the condition and tension of the chains; refer to
Checking the Condition of the Chains (page 19) .
Checking the Safety-Interlock
System
Service Interval: Before each use or daily
CAUTION
If safety interlock switches are disconnected or
damaged the machine could operate unexpectedly
causing personal injury.
• Do not tamper with the interlock switches.
• Check the operation of the interlock switches
daily and replace any damaged switches before
operating the machine.
Understanding the Safety-Interlock System
The safety interlock system is designed to prevent the engine
from starting unless the traction-control levers are in the
neutral position.
Checking the Safety-Interlock System
19