Husqvarna RB150 Manual de instrucciones

101 89 07-26

Workshop Manual

RB150, RBH180

Eng-1 front 97-04-11, 15.361

ECONTENTS

INTRODUCTION...........................................................1

SAFETY RULES...........................................................2

SAFETY EQUIPMENT..................................................4

TECHNICAL DATA.......................................................5

SERVICE TOOLS ......................................................... 7

TROUBLE SHOOTING.................................................8

ELECTRICAL SYSTEM..............................................22

ENGINE ...................................................................... 55

POWER TRANSMISSION .......................................... 62

STEERING SYSTEM .................................................. 80

BRAKES ..................................................................... 86

CUTTING UNIT...........................................................90

Eng-2 inneh 97-04-11, 15.362

English – 1

INTRODUCTION

Tools

Service tools will be required for certain items. All of

the appertaining service tools are listed in this

Workshop Manual. Their use is made clear in the

respective sections.

Always use genuine Huskvarna parts:

1. Spare parts

2. Service tools

3. Accessories

Arrangement

The descriptive sections of this manual are arranged

in the following manner:

Dismantling

Mounting

Adjustments

Figures that refer to the descriptive text are always

to the right of the relevant text.

References to items in the figure are numbered 1, 2,

3, and so on, and they begin anew in each new

section.

General

This Workshop Manual provides a detailed

description of trouble shooting, repairs and testing of

the riding mower. A description is also included of

the various precautions that are to be taken in

conjunction with repairs.

Safety

CAUTION

The section dealing with safety is to be

studied and understood by each person

before attempting to carry out repairs or

service on the riding mower.

Warning signs are affixed to the riding mower. If any

of the warning signs are missing or deformed they

are to be replaced with new ones without delay to

ensure the best possible safety when using the

appliance.

Target group

The Workshop Manual is intended for persons who

possess basic knowledge concerning the repair of

motor vehicles.

The Workshop Manual is to be studied by persons

who are to carry out repairs or service on the riding

mower.

Modifications

The riding mower will be subject to successive

modifications during production. Service bulletins

will be distributed in each particular case where

such modifications affect service and/or spare parts.

This implies that this Workshop Manual could in

time become obsolete. To avoid this, the manual is

to be read together with all of the distributed service

bulletins that apply for the relevant riding mower.

Eng-3 sidan 1-54 97-04-11, 15.361

2 – English

SAFETY RULES

Special instructions

Fuel

The fuel that is used for the riding mower has the

following hazardous characteristics:

1. The fuel and its fumes are toxic.

2. Can cause irritation to the eyes and skin.

3. Can cause breathing difficulties.

4. The fuel is a fire hazard.

Remember the danger of fire

The engine can produce sparks that are a fire

hazard.

Ensure that the cutting blades do not make contact

with each other or other metal objects such as the

cover of the cutting unit. This could otherwise cause

sparks and fire.

Test running

The following restrictions apply when test driving the

riding mower.

1. No persons or animals are to be allowed near

the mower when driving it.

2. Wear ear protectors when test driving.

Brakes

Check for proper functioning of the brakes before

test driving. Adjust the brakes if the braking ability is

weak.

Cutting unit

The following inspection of the cutting unit is to be

completed before any test running of the cutting

unit.

1. Ensure that the shear pins of the cutting blades

are intact.

2. Ensure that cutting blades are at right angles to

each another.

3. Ensure that the cutting blades are properly

balanced. (See Operating instructions)

4. Ensure that the cutting blades are securely

fitted.

Silencer

Danger of burns. The silencer may not be touched

until it has cooled down after test running.

Compressed air

A jet of air may not be directed towards the body

when using compressed air. Air may otherwise enter

the blood stream which could be fatal.

General instructions

Workshops where the riding mowers are repaired

are to be equipped with safety equipment in

compliance with local regulations.

No person that is not conversant with the contents

of this Workshop Manual is to be allowed to repair

the riding mower.

The boxes illustrated below are included in relevant

parts of this Workshop Manual. The warning boxes

appear at the beginning of the procedures

concerned.

WARNING

Warning box for hazardous items

that can result in personal injury.

CAUTION

This box warns for items that can result in

damage to the riding mower or peripheral

equipment.

This riding mower is type approved with respect to

safety in accordance with current legislation

concerning motorized mowers. The attachment of

other equipment or the use of accessories or spares

that are not approved by Huskvarna can lead to

infringement of the safety requirements, and liability

for the person responsible.

Eng-3 sidan 1-54 97-04-11, 15.362

English – 3

SAFETY RULES

Blocking up

WARNING

For maintenance or repairs, the

riding mower may never be lifted

more than 50 centimetres from its

level position unless the following

precautions are taken:

1. Empty the fuel tank and run

the engine until the

carburettor is dry.

2. Remove the battery. (See the

part in the maintenance

section dealing with removal

of the battery.)

3. Drain the oil from the

crankcase.

To raise the riding mower, lift using jacks and block

up with suitable stands. Block up in the following

way:

1. Position the riding mower on a level surface.

2. Lift the rear end with a jack placed under the

rear-axle gear.

3. Place two stands under the rear axle at the

inside of each rear wheel.

4. Lift the front end and place two stands under the

front axle beam at the inside of each wheel axle.

Eng-3 sidan 1-54 97-04-11, 15.363

4 – English

ESAFETY EQUIPMENT

Description

The riding mower is equipped with parts that are

necessary to create maximum safety for the user

and the surroundings.

Safety critical details are as follows:

• Brakes

• Silencer

• Air filter

• Shear pins

• Plastic covers

• Plastic covers and plates

• Needle valve in the carburettor

• Safety switch underneath the operator’s seat

• Safety switch underneath the clutch pedal

• Safety switch for the grass collector

These parts are to be attended to immediately if

damaged or faulty.

Replacement or repair of safety equipment

• Repair and inspection of brakes, see page 86.

• Changing the silencer, see page 57.

• Changing the shear pins, see page 102.

• Changing the safety switch underneath the

operator’s seat, see page 49.

• Changing the safety switch underneath the

clutch pedal, see page 48.

• Changing the safety switch for the grass

collector, see page 50.

• Changing the needle valve in the carburettor,

see engine manufacturer’s manual.

Eng-3 sidan 1-54 97-04-11, 15.364

English – 5

TECHNICAL DATA

Applies to RB 150, 1996 and 1997 models

• Engine

• Battery

• Front tyres

• Rear tyres

• Transverse axle

• Speed

• Turning radius

• Mowing height

• Size of cutting unit

• Blade engagement

• Discharge

• Air filter

• Fuel filter

• Oil filter

• Cutting unit

• Petrol

• Engine oil

• Weight

• Size of the tractor

15.5 HP Diamond Plus Briggs & Stratton*

12 Volt / 22 Ah

Size: 15 x 6.00 – 6

Tyre pressure: 100 kPa (1 bar)

Size: 18 x 8.50 – 8

Tyre pressure: 70 kPa (0.7 bar)

Dana-Spicer; 6 gears forward and one reverse

Forward: 0–9 km/h

Reverse: 0–4 km/h

0.7 metre

6 mowing heights between 25 mm and 90 mm

Twin cutting blades; 102 cm

Warner electromagnetic clutch

To the rear, with grass collector as standard

Briggs & Stratton air filter for engine: 15.5 HP Diamond Plus Briggs & Stratton

Briggs & Stratton fuel filter for engine: 15.5 HP Diamond Plus Briggs & Stratton

Briggs & Stratton oil filter for engine: 15.5 HP Diamond Plus Briggs & Stratton

Suspended

Use leaded or unleaded quality petrol. Recommended lowest octane number is

95.

SAE 30 or SAE 10W/30 is to be used when topping up or changing the oil.

With cutting unit and grass collector: 256 kg

Without cutting unit and grass collector: 241 kg

(LxWxH) 240 x 106 x 110 cm

NOTE

* Always state the model and type number when purchasing spare parts.

In order to make improvements, the specifications and design are subject to alteration without notice.

Please note that no legal claims whatsoever can be made with the support of information contained in this

manual.

Use only genuine spare parts for repairs. The guarantee becomes null and void if other parts are used.

Eng-3 sidan 1-54 97-04-11, 15.365

6 – English

ETECHNICAL DATA

Applies to RBH 180

• Engine

• Battery

• Front tyres

• Rear tyres

• Transverse axle

• Speed

• Turning radius

• Mowing height

• Size of cutting unit

• Blade engagement

• Discharge

• Air filter

• Fuel filter

• Oil filter

• Cutting unit

• Petrol

• Engine oil

• Weight

• Size of the tractor

NOTE

* Always state the model and type number when purchasing spare parts.

In order to make improvements, the specifications and design are subject to alteration without notice.

Please note that no legal claims whatsoever can be made with the support of information contained in this

manual.

Use only genuine spare parts for repairs. The guarantee becomes null and void if other parts are used.

18 HP VANGUARD V-TWIN Briggs & Stratton*

12 Volt / 22 Ah

Size: 16 x 6.50 – 8

Tyre pressure: 100 kPa (1 bar)

Size: 20 x 10.00 – 8

Tyre pressure: 70 kPa (0.7 bar)

Hydro-Gear model no. 310-0650

Forward: 0–9 km/h

Reverse: 0–4 km/h

0.7 metre

6 mowing heights between 25 mm and 90 mm

Twin cutting blades; 102 cm

Warner electromagnetic clutch

To the rear, with grass collector as standard

Briggs & Stratton air filter for engine: 18 HP VANGUARD V-TWIN Briggs & Stratton

Briggs & Stratton fuel filter for engine: 18 HP VANGUARD V-TWIN Briggs & Stratton

Briggs & Stratton oil filter for engine: 18 HP VANGUARD V-TWIN Briggs & Stratton

Suspended

Use leaded or unleaded quality petrol. Recommended lowest octane number is 95.

SAE 30 or SAE 10W/30 is to be used when topping up or changing the oil.

With cutting unit and grass collector: 262 kg

Without cutting unit and grass collector: 247 kg

(LxWxH) 240 x 106 x 110 cm

Eng-3 sidan 1-54 97-04-11, 15.366

English – 7

Relief tool

Tool to relieve pressure of the clutch spring.

5310057-02

Description

The following service tools are required to carry out

certain repairs:

Tensioning tool

Tool to stretch the gear-toothed belt in the cutting

unit.. 5310057-01

SERVICE TOOLS

5310057-01

5310057-02

Eng-3 sidan 1-54 97-04-11, 15.367

8 – English

Cutting unit

Cutting blades of the

cutting unit do not

rotate.

Is the cutting unit fitted

correctly?

Is the clutch on the

engine shaft intact?

Right cutting blade of

the cutting unit does

not rotate.

Are the shear pins intact?

Is the gear-toothed belt

adjusted correctly?

Is the gear-toothed belt

intact?

TROUBLE SHOOTING

Fit the cutting unit.

Replace the clutch.

Yes

Replace the shear pins.

Replace the gear-toothed

belt.

Adjust the gear-toothed

belt.

Yes

Eng-3 sidan 1-54 97-04-11, 15.378

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