BOSCH UniversalRotak 450 Electric Lawn Mower Instruction Manual

: June 4, 2024
: Bosch

Table of Contents

BOSCH UniversalRotak 450 Electric Lawn Mower
Operation
Maintenance
Intended Use
Technical Data
Troubleshooting
References
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BOSCH UniversalRotak 450 Electric Lawn Mower

BOSCH UniversalRotak 450 Electric Lawn Mower -
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Safety Notes

Warning! Read these instructions carefully, be familiar with the controls and the proper use of the machine. Please keep the instructions safe for later use!

General hazard safety alert.
Read instruction manual.
Pay attention that bystanders are not injured through foreign objects thrown from the machine
Warning: Keep a safe distance from the machine when operating
Caution: Do not touch rotating blades. Sharpblade(s).Beware of severing toes or fingers.
Not applicable.
Switch off and remove plug from mains before adjusting, cleaning or if the cable is entangled and before leaving the garden product unattended for any period.
Keep the supply flexible cord away from the cutting blades.
Wait until all machine components have completely stopped before touching them.
The blades continue to rotate after the machine is switched off, a rotating blade can cause injury.
Do not use the machine in the rain or leave it outdoors when it is raining.
Beware electric shock hazard.
Keep supply flexible cord away from cutting means.
Do not use a high-pressure washer or a garden hose to clean the machine.

Operation

Never allow children or people unfamiliar with these instructions to use the machine. Local regulations may restrict the age of the operator. When not in use, store the machine out of reach of children
Never allow children, persons with physical, sensory or mental limitations or a lack of experience and/or knowledge and/or people unfamiliar with these instructions to use the machine. Local regulations may restrict the age of the operator.
Children should be supervised to ensure that they do not play with the machine.
Never work while people, especially children, or pets are nearby.
The user is responsible for accidents or hazards occurring to other people or their property.
Do not operate the machine when barefoot or wearing open sandals, always wear substantial footwear and long trousers.
Thoroughly inspect the area where the machine is to be used and remove all stones, sticks, wires, bones andother foreign objects.
Before using, always visually inspect to see that the blades, blade bolts and cutter assembly are not worn or damaged. Replace worn or damaged blades and bolts in sets to preserve balance.
Mow only in daylight or in good artificial light.
Avoid mowing in bad weather conditions especially when there is a risk of lightning.
Avoid operating the machine in wet grass, where feasible.
Walk, never run.
Never operate the machine with defective guards or shields, or without safety devices, for example deflectors and/or grass catchers in place.
We would advise you to wear ear protection for your own convenience.
Never operate the product when you are tired, ill or under the influence of alcohol, drugs or medicine.

Warning : Keep a safe distance from the machine when operating.
Caution : Do not touch rotating blades. Sharpblade(s).Beware of severing toes or fingers.

Working on banks can be dangerous.

Do not mow on excessively steep slopes.
Always be sure of your footing on slopes or wet grass.
Mow across the face of slopes – never up and down.
Exercise extreme caution when changing direction on slopes.
Use extreme caution when stepping back or pulling the machine towards you.
Never mow by pulling the mower towards you.
Wait until the blades stop if the machine has to be tilted for transportation when crossing surfaces other than grass and when transporting the machine to and from the area to be mowed.
Do not tilt the machine when starting or switching on the motor.
Switch on the motor according to the instructions with feet well away from rotating parts.
Do not put hands or feet near or under rotating parts.
Always stand clear of the discharge zone when operating the machine.
Never pick up or carry the machine while the motor is running.
Do not modify this product. Unauthorized modifications may impair the safety of your product and may result in increased noise and vibration.
Regularly inspect the supply cable
and any extension cables. Do not connect damaged cables to the supply or touch a damaged cable before it is disconnected from the supply. A damaged cable can lead to contact with live parts. Beware electric shock hazard.

Leaf Collect

The leaf collect blade has been designed to allow you to pick up autumn leaves from your lawn. In order for this functionality to work within optimal parameters, please note the following:
only collect leaves with the machine set at 70 mm cutting hight
collect leaves from your lawn only
before collecting leaves inspect the area where the machine is to be used and keep people, pets, glass structures and cars away from use

Remove the plug from the socket:

Whenever you leave the machine.
before clearing a blockage,
before checking, cleaning or working on the machine,
After striking a foreign object. Inspect the machine for damage and make repairs as necessary,
if the machine starts to vibrate abnormally (check immediately).

Connecting to the mains

The voltage indicated on the rating plate must correspond to the voltage of the power source.
We recommend that this equipment is only connected into a socket which is protected by a circuit-breaker that would be actuated by a 30 mA residual current.
Only use or replace power supply cables for this unit which correspond to the types indicated by the manufacturer. See the operating instructions for the order no. and types.
Never touch the mains plug with wet hands.
Do not run over, crush or pull the power supply cord or extension cord, otherwise it may be damaged. Protect the cable from heat, oil and sharp edges.
The extension lead must have a cross section in accordance with the operating instructions and be protected against splashed water. The connection must not be in water.
Always wear gardening gloves when handling or working near the sharp blades.

Electrical Safety

Warning! Switch off, remove plug from mains before adjusting, cleaning or if cable is cut, damaged or entangled.
The blades continue to rotate for a few seconds after the machine isswitched off.

Caution

Do not touch the rotating blade.

Your machine is double insulated for safety and requires no earth connection. The operating voltage is 230 V AC, 50 Hz (for non-EU countries 220 V, 240 V as applicable). Only use approved extension cables. Contact your Bosch Service Centre for details. For increased electrical safety use a Residual Current Device (RCD) with a tripping current of not more than 30 mA. Always check your RCD every time you use it. Keep the supply cables away from moving hazardous parts and avoid damage to the cables; this can lead to contact with live parts. The connections (plugs and sockets) should be kept dry and off the ground. The supply cables must be inspected for signs of damage at regular intervals and may only be used if in perfect condition. If the supply cable on the product is damaged, it must only be replaced by a Bosch Service Centre. Only use approved extension cables. Extension cords, cables, leads, reels should only be used if they comply with EN 61242/IEC 61242 or IEC 60884-2-7. If you want to use an extension cable when operating your product, only the following cable dimensions should be used:

Nominal Conductor Area of 1.25 mm2 or 1.5 mm2
Maximum length of 30 m for a Cord
Extension Set or maximum length of 60 m for a Cable Reel with Residual Current Device (RCD

Note : If an extension cable is used it must be earthed and connected through the plug to the earth cable of your supply network in accordance with prescribed safety If in doubt contact a qualified electrician or the nearest Bosch Service Centre. regulations.

WARNING! Inadequate extension cables can be dangerous. Extension cable, plug and socket must be of watertight construction and intended for outdoor use.

Maintenance

Always wear gardening gloves when handling or working near the sharp blades.
Keep all nuts, bolts and screws tight to be sure that the machine is in safe working condition.
Check the grass catcher frequently for wear or deterioration.
Examine the machine and replace worn or damaged parts to maintain its safety.
Ensure replacement cutting means of the right type are used.
Ensure replacement parts fitted are Bosch-approved.
Before storage ensure machine is clean and free from debries, if necessary clean with a soft, dry brush.

Symbols

The following symbols are important for reading and understanding the operating instructions especally the diagrams. Please take note of the symbols and their meaning. The correct interpretation of the symbols will help you to use the garden product in a better and safer manner. $BOSCH UniversalRotak 450 Electric Lawn Mower FIG $13$$

Intended Use

The garden product is intended for domestic lawnmowing. The garden product is not intended for hedge cutting, trimming, etc

Technical Data

$BOSCH UniversalRotak 450 Electric Lawn Mower FIG $14$$

Noise/Vibration Information

| Universal Rotak| 450| 460| 470| 490| 550| 580
---|---|---|---|---|---|---|---
| 3 600 HB9 …| … 000| | | | |
| … 030| … 001| … 002| | … 100| … 103
| … 070| … 071| … 072| … 004| … 170| … 173
Typically the A-weighted noise levels of| | | | | | |
the product are:| | | | | | |
Sound pressure level| dB(A)| 80| 80| 80| 80| 80| 80
Sound power level| dB(A)| 93| 93| 93| 93| 93| 93
Uncertainty K| dB| =1.0| =1.0| =1.0| =1.0| =1.0| =1.0
Vibration total values ah (triax vector sum)| | | | | | |
and uncertainty K determined according| | | | | | |
to EN 60335-2-77:| | | | | | |
Vibration emission value ah| m/s2| <2.5| <2.5| <2.5| <2.5| <2.5| <2.5
Uncertainty K| m/s2| =2.0| =2.0| =2.0| =2.0| =2.0| =2.0

Mounting and Operation

Action	Figure	Page
Delivery Scope	1	221
Handle Assembly	2– 3	222
Grassbox fitting/removing	4	223
Adjusting the Cutting Height	5	223
Connecting the extension lead	6	224
Starting	7	224
Action	Figure	Page
---	---	---
Working Advice “mowing”	7	224
Stopping	7	224
Working Advice	8	225
Level Indicator Grassbox emp- ty/full	9	225
Blade Maintenance/Blade Swap	10	226
Selecting Accessories	11	226

Troubleshooting

$BOSCH UniversalRotak 450 Electric Lawn Mower FIG $16$$

After-sales Service and Application Service

In all correspondence and spare parts orders, please always include the 10-digit article number given on the type plate of the garden product.

Great Britain

Robert Bosch Ltd. (B.S.C.)
P.O. Box 98
Broadwater Park
North Orbital Road
Denham
Uxbridge
UB 9 5HJ

At www.bosch-pt.co.uk you can order spare parts or arrange the collection of a product in need of servicing or repair.

Tel. Service: (0344) 7360109
E-Mail: boschservicecentre@bosch.com
Ireland
Origo Ltd.
Unit 23 Magna Drive
Magna Business Park
City West
Dublin 24
Tel. Service: (01) 4666700
Fax: (01) 4666888

Australia,

New Zealand and Pacific Islands Robert Bosch Australia Pty. Ltd.
Power Tools
Locked Bag 66
Clayton South VIC 3169
Customer Contact Center

Inside Australia:

Phone: (01300) 307044
Fax: (01300) 307045

Inside New Zealand:

Phone: (0800) 543353
Fax: (0800) 428570
Outside AU and NZ:
Phone: +61 3 95415555
www.bosch-pt.com.au
www.bosch-pt.co.nz
Republic of South Africa
Customer service
Hotline: (011) 6519600
Gauteng – BSC Service Centre
35 Roper Street, New Centre

Johannesburg

Tel.: (011) 4939375
Fax: (011) 4930126
E-Mail: bsctools@icon.co.za
KZN – BSC Service Centre
Unit E, Almar Centre
143 Crompton Street

Pinetown

Tel.: (031) 7012120
Fax: (031) 7012446
E-Mail: bsc.dur@za.bosch.com
Western Cape – BSC Service Centre
Democracy Way, Prosperity Park

Milnerton

Tel.: (021) 5512577
Fax: (021) 5513223
E-Mail: bsc@zsd.co.za
Bosch Headquarters
Midrand, Gauteng
Tel.: (011) 6519600
Fax: (011) 6519880
E-Mail: rbsa-hq.pts@za.bosch.com

Disposal
Do not dispose of garden products into household waste!

Only for EC countries:
According to the European directive 2012/19/EU for Waste Electrical and Electronic Equipment and its implementationinto national law, electrical and electronic equipment that are no longer usable must be collected separately and disposed of in an environmentally correct manner. Subject to change without notice.