Toro 73471 Manual

The Toro Company – 1999

Form No. 3323-484

Setup

Instructions

Model Numbers 73471, 73542,

and 73561—200000001 & Up

518xi, 520xi & 522xi Tractor

Loose Parts

Note: Use the chart below to identify parts for assembly.

DESCRIPTION QTY. USE

Seat Assembly

Shoulder Bolt – 5/16”

Locknut – 5/16”

2Installing the seat

Steering Wheel

Boot Washer

Nut

Lock Washer

Trim Cover

Installing the steering wheel

Bolt – 1/4”-20 x .88” Long

Washer – 1/4”

Hex Nut – 1/4”-20

2Attaching the battery cables

Hitch Pin

Hairpin Cotter

Flat Washer – .50” I.D.

1Installing the drawbar hitch pin

Key 2Use in ignition and “Key Choice” switches

Operator’s Manual

Engine Operator’s Manual

Riding Mower Safety Video

Read before operating the tractor

Watch before operating the tractor

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.

Set-Up Instructions

m–3453

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: On manual steering models, be sure to

align steering wheel in the straight

ahead position. 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

Figure 2

1. Boot washer

2. Steering shaft

3. Steering wheel

4. Lock washer

5. Nut

6. Trim cover

Checking Front Wheel Toe–In

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

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

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 Tire 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 AVOID 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 filler caps 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

1262

Figure 4

1. Fillercaps

2. Electrolyte 3. Lower part of tube

POTENTIAL HAZARD

•Charging battery produces gasses.

WHAT CAN HAPPEN

•Battery gasses can explode.

HOW TO AVOID THE HAZARD

•Keep cigarettes, sparks and flames away

from battery.

3. Leave the filler caps 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).

1254

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 “UPPER” line on the

battery case (Fig. 4), then install the filler caps.

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.

Installing the Drawbar Hitch

Insert the drawbar hitch pin into the drawbar hitch

and secure it with a .50” I.D. flat washer and hairpin

cotter (Fig. 6).

Set-Up Instructions

m–2481

Figure 6

1. Drawbarhitch pin

2. Drawbar hitch 3. .50” Flat washer

4. Hairpin cotter

Checking the Wiring 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 pre–delivery 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.

Test Driving the Tractor

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).

Note: When checking the oil level, slide the

dipstick all the way into the filler tube,

but do not screw the dipstick onto the

filler tube.

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 to make sure all lubrication points have

been greased as shown in the Maintenance

section of tractor Operator’s Manual.

4. Fill the tank with unleaded regular gasoline with

an octane rating of at least 85. Open the fuel

shutoff valve and check the fuel hose and fittings

for leaks.

Set-Up Instructions

5. As applicable, check and test the operation of the

following:

•Engine, choke and throttle controls

•Gauges

•Headlights and taillights

•Indicator lights

•PTO clutch and brake

•Lift system

•Service and parking brakes

•Transmission controls

•Steering

•Tractor operation in forward and reverse

6. Test the operation of the safety interlock system

(refer to the tractor Operator’s Manual for the

correct procedure).

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