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350157 Rev 11/02
SYMPTOMS
PROBABLE CAUSES
SUGGESTED REMEDIES
Starting motor
Control handle not in park
Place control handle in park
does not crank
brake position or switch not
brake position or re-adjust
adjusted
switch
Mower clutch switch engaged Disengage clutch switch
Weak or dead battery
Recharge or replace
For additional causes
See engine manual
Engine cranks but
No fuel or line
Fill tank or replace
does not start
plugged
line
Numerous
See engine manual
Engine:
Numerous
See engine manual
Runs with continuous
misfiring or engine runs
unevenly or erratically
Loss of power or
Restrictions in air cleaner
Service air cleaner
system will not operate
in either direction
Hydraulic line blockage
See your dealer
Internal interference or
See your dealer
leakage in wheel motor
Insufficient hydraulic
Check level in reservoir
oil supply
Have dealer check
hydraulic pump
Poor compression
See your dealer
Steering linkage
Adjust linkage
needs adjustment
Air in system
Check filter & fittings
For additional causes
See engine manual
Overheating
Air intake screen or
Clean screen and fin
cleaning fins clogged
For additional causes
See engine manual
Low oil pressure
Low oil level
Add oil
Oil diluted or too light
Change oil and check for
source of contamination
High oil consumption
Numerous
See your dealer
Tractor jerky when starting
Steering control linkage
Adjust linkage
or
needs adjustment
operates in one direction
only
Pump or wheel motors
See your dealer
faulty
Hydraulic system operates
Low hydraulic oil level
Fill reservoir
hot (oil in reservoir
smells rancid)
Hydraulic pump faulty
See your dealer
Tractor creeps when
Steering linkage needs
Adjust linkage
steering control levers
adjustment
are in neutral
Tractor circles or veers
Steering linkage needs
Adjust linkage
in one direction
adjustment
Wheel motors faulty
See your dealer
Hydraulic pump faulty
See your dealer
Tractor creeps when
Steering linkage out of
Adjust steering linkage
parking brake engaged
adjustment
Brakes need adjustment
Adjust parking brakes
TROUBLESHOOTING
The majority of operating problems that occur with a system can be traced to improper adjustments or delayed service. A
consistently applied preventative maintenance program, as outlined in the maintenance section of this manual, will prevent
many problems. The following chart is designed to help you locate a problem by suggesting probable causes and the
recommended solutions.
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