Toro Reelmaster 4500–D Service Manual page 268

Verify Interlock System Operation
THE INTERLOCK SWITCHES ARE FOR THE
OPERATOR'S PROTECTION, SO DO NOT DIS-
CONNECT THEM. CHECK OPERATION OF THE
SWITCHES DAILY TO ASSURE INTERLOCK
SYSTEM IS OPERATING. IF A SWITCH IS DE-
FECTIVE, REPLACE IT BEFORE OPERATING.
REGARDLESS IF SWITCHES ARE OPERATING
PROPERLY OR NOT, REPLACE THEM EVERY
TWO YEARS TO ASSURE MAXIMUM SAFETY.
1. In a wide open area free of debris and bystanders,
lower cutting units to the ground. Stop engine.
2. Sit on the seat and engage parking brake (Fig. 4).
Turn key and try to start engine with Mow–Backlap lever
(Fig. 4) in both the MOW and BACKLAP positions. If en-
gine cranks, there is a malfunction that must be repaired
immediately. If engine does not crank, the cutter drive
switch is operating properly.
3. Sit on the seat and disengage the parking brake
(Fig. 4). Turn key and try to start engine with Mow–Back-
lap lever (Fig. 4) in the STOP position. If engine cranks,
there is a malfunction that must be repaired immedi-
ately. If engine does not crank, brake switch is operating
properly.
4. Engage parking brake (Fig. 4), start engine and lower
cutting units. Move Mow–Backlap lever (Fig. 4) to MOW.
Raise off the seat; engine should stop within a few sec-
onds, which indicates the interlock system is operating.
Also raise off the seat with lever in the BACKLAP posi-
tion. Engine should stop, indicating interlock system is
operating. If engine does not stop, there is a malfunction
that must be repaired immediately.
NOTE: There is a 1 – 2 second delay between rising off
seat and engine shut off.
5. Engage parking brake, move Mow–Backlap lever to
NEUTRAL, start engine, disengage hand brake and
raise off seat. If engine stops, interlock system is operat-
ing. If engine does not stop, there is a malfunction that
must be repaired immediately.
Electrical System
CAUTION
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Figure 4
1. Parking Brake
2. Mow / Backlap Lever
3. Key
Reelmaster 4500–D