Toro Z Master 7500-D Series Service Manual page 20

Problem
The starter does not crank
The engine does not start,
starts hard, or fails to keep
running
Engine loses power
The engine overheats
The unit pulls to the left or right
(with levers fully forward)
3-2
Table of Contents
TROUBLESHOOTING
Possible Cause
The parking brake is not engaged
The battery is dead
The electrical connections are
corroded or loose
The fuse is blown
The relay or ignition switch is worn
or damaged
The fuel tank is empty
The oil level in the crankcase is low
There is dirt in the fuel filter
There is dirt, water, or stale fuel in
the fuel system
The air cleaner is dirty
The electrical connections are
corroded, loose, or damaged
The relay or switch is worn or
damaged
The engine load is excessive
The air cleaner is dirty
The oil level in the crankcase is low
There is dirt in the fuel filter
There is dirt, water, or stale fuel in
the fuel system
The engine load is excessive
The oil level in the crankcase is low
The cooling system is contaminated/
low
The cooling fan/belt is damaged.
The radiator is plugged/damaged.
The tracking needs adjustment
The rear tire pressure is unmatched. Check and adjust the tire pressure
Z Master 7500-D Series Service Manual
Next Step...
Set the parking brake
Charge the battery
Check the electrical connects for
good contact
Replace the fuse
Test and replace faulty relay or
ignition switch
Fill the fuel tank
Add oil to the crankcase
Replace the fuel filter
Clean and flush the fuel system
Clean or replace the air cleaner
element
Check the electrical connections for
good contact
Clean the connector terminals
thoroughly with electrical-contact
cleaner, apply dielectric grease, and
make the appropriate connections
Test and replace faulty relay or
switch
Reduce the ground speed
Clean the air cleaner element
Add oil to the crankcase
Replace the fuel filter
Clean and flush the fuel system
Reduce the ground speed
Add oil to the crankcase
Inspect coolant for proper level and
condition. Correct as needed.
Ensure the condition of the both the
fan and belt
Inspect radiator fins for plugging
bends, repair as needed
Adjust the tracking
to 124 kPa (18 psi)
March 2018 - Digital Edition