Toro 73552-9900001 Operator's Manual page 56

PROBLEM
Excessive black smoke from
e exhaust. aust
Excessive white smoke from
e exhaust. aust
The tractor will not operate in
either direction because the
engine bogs down or stalls.
The tractor goes forward only at
partial speed and is slow or does
not operate in reverse. p
54
POSSIBLE CAUSES
1. The air cleaner element is
dirty.
2. The injection pump timing is
incorrect.
3. Incorrect fuel is in the fuel
system.
4. The injection nozzles are
faulty.
5. The injection pump is faulty.
6. Excessive loading.
1. The engine temperature is
low.
2. The glow plugs are
inoperative.
3. The fuel injection nozzles are
faulty.
4. The injection pump timing is
incorrect.
5. Low compression.
1. The brake is sticking.
1. The cruise control was
engaged when the traction
pedal was in neutral.
2. The engine is running at
partial speed.
3. The linkage is out of
adjustment.
4. There is internal hydro wear.
CORRECTIVE ACTION
1. Clean or replace.
2. Contact your Authorized
Service Dealer.
3. Drain the fuel system and
refill with specified fuel.
4. Contact your Authorized
Service Dealer.
5. Contact your Authorized
Service Dealer.
6. Reduce load; use lower
ground speed.
1. Check the thermostat.
2. Check the fuse, glow plugs
and wiring.
3. Contact your Authorized
Service Dealer.
4. Contact your Authorized
Service Dealer.
5. Contact your Authorized
Service Dealer.
1. Contact your Authorized
Service Dealer.
1. Turn the cruise control off.
2. Move the throttle to "FAST."
3. Contact your Authorized
Service Dealer.
4. Contact your Authorized
Service Dealer.