Toro 73552 Manuel
The T
oro Company – 1999
Printed in USA All Rights Reserved
FORM NO. 3321–970
SET UP
INSTRUCTIONS
MODEL NO. 73552–9900001 & UP
523Dxi GARDEN TRACTOR
Loose
Parts
Note: Use the chart below to identify parts for assembly.
DESCRIPTION QTY. USE
Steering Wheel
Boot W
asher
Nut
Lock W
asher
T
rim Cover
1
1
1
1
1
Installing the steering wheel
Seat Assembly
Shoulder Bolt – 5/16”
Locknut – 5/16”
1
2
2
Installing the seat
Hitch Pin
Hairpin Cotter
Flat W
asher – .50” I.D.
1
1
1
Installing the drawbar hitch pin
Key 2
Use in ignition and “Key Choice” switches
Operator’
s Manual
Engine Operator
’
s Manual
Riding Mower Safety V
ideo
1
1
1
Read before operating the tractor
Read before operating the tractor
Attach to the tractor
“Thank Y
ou” Card
1 Read
Set-Up Instructions
2
Installing
the Seat
1. Mount the seat to the seat base using two 5/16”
shoulder bolts and lock nuts (Fig. 1).
2. Insert the seat switch wire through the center
opening in the seat base (Fig 1).
3. Push the seat switch wire connector into the wire
harness connector
.
1
2
5
m–3453
3
4
6
Figure 1
1. Seat
2. Seat
base
3.
5/16” shoulder bolt (2)
4.
5/16” Locknut (4)
5.
Seat switch wire
connector
6.
Opening for seat switch
wire
Installing
the Steering Wheel
1. Install the boot washer onto the steering shaft
(Fig. 2).
2. Remove the plastic trim cover from the steering
wheel (Fig. 2)
3. Install the steering wheel onto the shaft,
carefully aligning the splines (Fig. 2).
Note: There is no fixed straight ahead
position on power steering models.
4. Secure the steering wheel to the shaft with a lock
washer and nut
(Fig. 2). Tighten the retaining
nut to 45–50 ft–lbs.
5. Install the trim cover on the steering wheel.
m–2482
1
3
2
4
5
6
Figure 2
1. Boot
washer
2.
Steering shaft
3.
Steering wheel
4.
Lock washer
5. Nut
6. T
rim cover
Checking
Front Wheel T
oe–In
1. With the tractor on a level surface, check to
make sure the front wheel toe-in is between 1/8”
and 1/4”. For instructions on adjusting toe-in,
refer to the Maintenance section in Operator’s
Manual.
Set-Up Instructions
3
Check
to Insure that Steering
Linkage is Centered
1. With the tractor on a level surface, turn the
steering wheel fully to the left and check the
clearance of the left hand spindle stop to the stop
on the front axle. There should be a slight
clearance between the stops (Fig. 3).
m–4265
1
2
3
Front of Tractor
Figure 3
1. Left
hand spindle stop
2.
Axle stop
3. Clearance
2. Repeat for the right front tire in a right turn.
3. If the stops on one side hit, and on the other side
have clearance, shorten the tie rod on the side
that hits, and equally lengthen the tie rod on the
opposite side until both sides have clearance.
Recheck the toe in.
Checking
T
ire Pressure
Check front and rear tire pressure. The correct front
and rear tire pressure is 20 psi (138 kPa).
Activating
the Battery
POTENTIAL
HAZARD
•Battery electrolyte contains sulfuric acid
which is a deadly poison and it causes
severe burns.
WHAT CAN HAPPEN
•If you carelessly drink electrolyte you could
die or if it gets onto your skin you will be
burned.
HOW TO AV
OID THE HAZARD
•Do not drink electrolyte and avoid contact
with skin, eyes or clothing. Wear safety
glasses to shield your eyes and rubber
gloves to protect your hands.
•Fill the battery where clean water is always
available for flushing the skin.
•Follow all instructions and comply with all
safety messages on the electrolyte container.
1. Remove the battery from the tractor (refer to
Removing the Battery in your tractor Operator’s
Manual).
Note: Never fill the battery electrolyte with
the battery installed in the tractor.
2. Remove the cell cover from the battery. Slowly
pour electrolyte into each cell until the
electrolyte level is up to the lower part of the
tube (Fig. 4). Use an electrolyte with a specific
gravity of 1.265.
Set-Up Instructions
4
m–3799
3
2
1
Figure 4
1. Cell
cover
2. Electrolyte 3.
Lower part of tube
POTENTIAL
HAZARD
•Charging battery pr
oduces gasses.
WHAT CAN HAPPEN
•Battery gasses can explode.
HOW TO AV
OID THE HAZARD
•Keep cigarettes, sparks and flames away
from battery.
3. Leave the cell cover off and connect a 3–4 amp
battery charger to the battery posts (Fig. 5).
Charge the battery at a rate of 4 amperes or less
for 4 hours (12 volts).
4. When the battery is fully charged, unplug the
charger from electrical outlet, then disconnect
the charger leads from the battery posts (Fig. 5).
4
1
23
m–3798
Figure 5
1. Positive
battery post
2.
Negative battery post
3.
Red (+) charger lead
4.
Black (–) charger lead
5. Slowly pour electrolyte into each cell until the
level is once again up to the lower part of the
tube (Fig. 4), then install the cell cover.
6. Install the battery in the tractor and connect the
battery cables (refer to Installing the Battery in
your tractor Operator’s Manual).
Note: Do not run the tractor with the battery
disconnected.
Set-Up Instructions
5
Installing
the Drawbar Hitch
Pin
Insert the drawbar hitch pin into the drawbar hitch
and secure it with a .50” I.D. flat washer and hairpin
cotter (Fig. 6).
2
1
3
m–2481
4
Figure 6
1. Drawbar
hitch pin
2.
Drawbar hitch
3.
.50” Flat washer
4.
Hairpin cotter
Checking
the W
iring and
Fasteners
•Inspect the tractor for any loose electrical
connections and secure them as required. Check
the wire routing to make sure moving parts do
not interfere with wires and cause a short.
•Assure all fasteners are tight.
Burnishing
the Clutch
The following break–in procedure must be performed
as part of predelivery service or when a new clutch is
installed.
Note: There must be a PTO driven
attachment installed to provide a load
in order to burnish the clutch facings
properly.
1. Run the engine at full throttle and engage the
clutch bringing the load to full speed. Then
disengage the clutch.
2. Let the load come to a full stop, then engage
again.
3. Repeat these procedures (1 and 2) 5 times.
Set-Up Instructions
6
Test
Driving the T
ractor
1. Check the oil level in the crankcase (refer to
Engine Oil in your tractor Operator’s Manual for
oil type, viscosity and crankcase capacity).
2. Check the oil level in the transaxle (refer to
Transaxle Fluid in your tractor Operator’s
Manual for oil type, viscosity and capacity).
3. Check that the coolant level is between the two
lines on the coolant recovery tank when the
engine is cold (refer to Check the Cooling
System in your tractor Operator’s Manual).
4. Make sure all water is drained from the fuel filter
(refer to Draining Water From The Fuel
Filter/Water Separator in your tractor Operator’s
Manual).
5. Check to make sure all lubrication points have
been greased as shown in the Maintenance
section of tractor Operator’
s Manual.
6. Fill the tank with fresh diesel fuel with a
minimum cetane rating of 40 and the proper
grade for the ambient temperature conditions
(refer to Adding Fuel in your tractor Operator’s
Manual) Open the fuel shutoff valve and check
the fuel hose and fittings for leaks.
7. As applicable, check and test the operation of the
following:
•Engine and throttle controls
•Gauges
•
Headlights and taillights
•Indicator lights
•PTO clutch and brake
•Lift system
•Service and parking brakes
•T
ransmission controls
•Steering
•Tractor operation in forward and reverse
8. Test the operation of the safety interlock system
(refer to the tractor Operator’s Manual for the
correct procedure).
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