HUSTLER Z4 Owner's Manual page 34

SYMPTOMS PROBABLE CAUSES
Steering control levers not
in park brake position or
switch not adjusted
Deck clutch switch
engaged
Weak or dead battery
Starting motor does not
crank
Electrical connections are
corroded or loose
20 amp fuse is blown
For additional causes
No fuel or line plugged
Fuel valve is turned off
There is incorrect fuel in
the fuel system
The engine will not start,
starts hard or fails to
There is dirt in the fuel fil-
keep running
ter
Dirt, water or stale fuel in
the fuel system
The choke is not on
Numerous
Engine: Numerous
Runs with continuous
misfiring or engine runs
unevenly or erratically
Restrictions in air cleaner
Hydraulic line blockage
Internal interference or
leakage in wheel motor
Insufficient hydraulic oil
supply
Loss of power or sys-
tem will not operate in Poor compression
either direction
Steering linkage needs
adjustment
Tow valve open
The traction drive belt is
worn, loose or broken
Air in system
For additional causes
Overheating Air intake screen or clean-
ing fins clogged
For additional causes
Low oil level
Oil diluted or too light
Low engine oil pressure
Failed oil pump
High oil consumption Numerous
602223_0609
HUSTLER Z4 TROUBLESHOOTING
SUGGESTED
REMEDIES
Place steering control
levers in park brake posi-
tion or re-adjust switch
Disengage clutch switch
Recharge or replace
Check the electrical con-
nections
Replace the 20 amp
fuse
See engine manual
Fill tank or replace line
(See Fuel System section
for more details)
Open the fuel valve
Drain the tank and replace
the fuel with the proper
type
Replace the fuel filter
Contact your Hustler
Dealer
Move the choke lever to
ON
See engine manual
See engine manual
Service air cleaner
See your dealer
See your dealer
Check level in reservoir
Have dealer check
hydraulic pump
See your dealer
Adjust linkage
Close tow valve
Install a new traction drive
belt
Check filter and fittings
See engine manual
Clean screen and fin
See engine manual
Add oil
Change oil and check for
source of contamination
See your dealer
See your dealer
5-1
SYMPTOMS PROBABLE CAUSES
Steering control linkage
needs adjustment
Tractor jerky when start-
ing or Pump or wheel motors
operates in one direc- faulty
tion only
Tow valves not closed
completely
Hydraulic system oper- Low hydraulic oil level
ates hot (oil in reservoir
smells rancid)
Hydraulic pump faulty
Tractor creeps when Steering linkage needs
steering control levers adjustment
are in neutral
Steering linkage needs
adjustment
Wheel motors faulty
Tractor circles or veers
in one direction
Tires improperly inflated
Hydraulic pump faulty
Steering linkage out of
adjustment
Tractor creeps when
parking brake engaged
Brakes need adjustment
The engine mounting
bolts are loose
The engine pulley, idler
pulley or blade pulley is
loose
The engine is pulley is
damaged
There is abnormal vibra-
The cutting blade(s) is/are
tion
bent or unbalanced
A blade mounting bolt is
loose
Spindle bearing is worn or
loose
A blade spindle is bent
The blade(s) are not
sharp
A cutting blade(s) is/are
bent
The deck is not level
Uneven cutting height
An anti-scalp wheel is not
set correctly
The underside of the deck
is dirty
Tires improperly inflated
A blade spindle is bent
Blades do not rotate The deck drive belt is
worn, loose or broken
The deck drive belt is off
the pulley
Electric clutch is not
engaging
SUGGESTED
REMEDIES
Adjust linkage
See your dealer
Close tow valves
Fill reservoir
See your dealer
Adjust linkage
Adjust linkage
See your dealer
Adjust air pressure to 8 -
12 psi
See your dealer
Adjust steering linkage
Adjust parking brakes
Tighten the engine mount-
ing bolts
Tighten the appropriate
pulley
Contact your Hustler
Dealer
Install new cutting
blade(s)
Tighten the blade mount-
ing bolt
Replace or tighten spindle
bearing
Contact your Hustler
Dealer
Sharpen the blades
Install new cutting
blade(s)
Level the deck per the
Deck leveling and height
adjustment section of the
parts manual
Adjust the height of the
anti-scalp wheel
Clean the underside of the
deck
Adjust air pressure to 8 -
12 psi
Contact your Hustler
Dealer
Install a new deck drive
belt
Install the deck drive belt
and check for a reason
Check and/or replace 10
amp fuse.
Contact your Hustler
dealer