Gude GRT 550 Grass Line Trimmer Instruction Manual

: June 3, 2024
: Gude

Gude GRT 550 Grass Line Trimmer

Introduction

To enjoy your new appliance as long as possible, please read carefully the Operating Instructions and the attached safety instructions before putting the appliance into operation. We also recommend keeping the Operating Instructions for future reference.
Making technical changes to improve the appliance as part of the continuous product development reserved. Illustrations may therefore be different.
This document represents the original Operating Instructions.

Supply includes – pic. B

Take the appliance out of the transport container and check whether there are the following parts:

Grass trimmer
Handle
Spool cover
Fastening screws
Spare spool
Edge guide

If any parts are missing or are damaged, please contact your dealer.

Use as designated

String trimmer for fast and comfortable lawn treatment. For easy removal of grass and weed under bushes, banks and on edges.
Works other than those for which the appliance has been designed and which are specified in the Operating Instructions cannot be performed with this appliance.
Any other use will be considered a use in conflict with the designation. The manufacturer will not be liable for any consequential damage and injuries. Please be sure to know that the appliance has not been designed for industrial purposes.

Appliance description (pic. A)

Handle
Operating handle
Hand throttle
Cable lock
Feeder cable
Extension tube
Cutting head lock
Spool of string cover
Spool of string
String cut-off knife
Engine head
Extension tube lock
Edge guide

Technical specifications

Connection: 230 V ~ 50 Hz
Protection class: II
Protection type: IP X0
Max. output: 550 W
Engine speed: 10,000 per min-1
Cutting width: 300 mm
Ø spool of string: 1.6 mm
Operating handle height: 840 -1070 mm
Feeder cable: 350 mm
Weight: 2,3 kg

Operator requirements

The operator must carefully read the Operating Instructions before using the appliance.

Qualification No special qualification is necessary for using the appliance apart from detailed instruction by an expert.
Minimum age The appliance can only be operated by persons over 16 years of age. An exception includes youngsters operating the appliance within their professional education to achieve necessary skills under trainer’s supervision.
Training Using the appliance only requires appropriate instructions by a professional or reading the Operating Instructions. No special training necessary.

Safety instructions

The Operating Instructions must be read thoroughly before using the appliance for the first time. If there are any doubts regarding the appliance connection and operation, please contact the manufacturer (service department).
FOLLOW CAREFULLY THESE INSTRUCTIONS TO PROVIDE A HIGH LEVEL OF SAFETY:
Caution! To be plugged in a network with a safety switch against stray current (FI) only!

At all times, keep your hands and feet in a sufficient distance from the string, in particular, when starting the appliance. Hand on the additional handle should always be free.
At all times, keep the appliance in an adequate safe distance from your body and take a stable posture.
A protective face shield/protective glasses, helmet and safety shoes and gloves should always be worn.
Work with the appliance under adequate visibility only.
Do not use the appliance when working and when the grass is wet.
Check the appliance for any damage before using it or after an impact and repair it if necessary.
Do not use the appliance if the protective equipment is damaged or fitted wrongly.
Make sure the engine ventilation slots are always with no dirt or remains.
Make sure there are no persons or animals around at least 3 m from the place of your work. Switch the appliance immediately off if persons, especially children, get near the appliance.
Do not get near the rotating parts (near the string) when the appliance is running.
Before using the appliance, remove any stones, branches and any other solid materials from the area you are going to work on.
Pay a maximum attention when the string is extended. After taking this step, the right operating posture needs to be taken before putting the appliance into operation.
Do not use metal spools. Be sure to know that the appliance runs for five more seconds after releasing the switch.

Marking

Product safety:

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Product corresponds to appropriate EU standards|

Prohibitions:

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Protect against rain and moisture! Do not cut wet grass!|

Warning:

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Warning/Caution

| Risk of injury by thrown- away items
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Warning against flammable materials| Warning against rotating parts – risk of drawing-in

Commands:

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Do not touch these parts to avoid burns. Learn carefully how the appliance worksbefore operating it.| ****

Use protective glasses and headphones

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Use protective gloves| Use safety shoes
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Use protective helmet|

Environment protection:

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Dispose waste professionally so as not to harm the environment.	Packing

cardboard material may be delivered to collecting centres for recycling.
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Any faulty and/or disposed electric or electronic devices must be delivered to appropriate collection centres.|

Appliance-specific safety instructions

Rotating string
Works/adjustment on the appliance only to be performed when the engine is off and string in an idle condition.

Before cutting
Check the fixtures for any damage and if tightened properly (visual inspection) every time the appliance is to be used.
Check the ground where the string trimmer is to be used for any items that may get caught and be thrown-away by the appliance and remove such items (stones, branches, etc.).

When cutting
Wear protective glasses/protective shield/helmet, hearing protection and gloves when working with the string trimmer.
Work only with safety shoes with steel toes/sole and long trousers, never barefooted or in sandals.
Provide adequate distance from persons, children and animals.
Switch the engine on only when your feet are in a safe distance from the cutting head.
At all times, hold the appliance firmly by both handles. By this, the specified safe distance from the cutting area is guaranteed.
Make sure your posture is safe.
Never touch the spool of string when the appliance is running.
The spool keeps rotating for a few seconds after the appliance is switched off. Never touch the spool.
Do not cut wet grass.
Make sure the engine ventilation slots are always clean and with no grass remains.
Stones or other items that may cause serious injuries may be thrown away when cutting.

Behaviour in case of emergency

Provide necessary first aid treatment corresponding to the injury nature and seek qualified medical help as soon as possible. Protect the injured person from other injuries and calm him/her down.
First aid kit must always be available in the place of your work in case of accident in accordance with DIN 13164. Material taken out of the first aid kit needs to be supplemented right away.
If help is needed, please provide the following details:

Place of accident
Accident nature
Number of injured persons
Injury type

Operation

Please follow the statutory provisions regarding noise protection instructions that may differ in various locations.
Caution! There is the automatic string cut-off knife
(pic. A/10) on the bottom of the spool of string cover.
Caution! The cutting tool starts rotating when the engine is started.
Adjusting to be only performed when the appliance is switched off and unplugged.
Before switching the engine on, the nylon string must be pulled out to the edge of the protection cover if necessary. When the cutting head is started for the first time, the string is cut off by the knife on the protection cover to the appropriate length.

Connect the string trimmer feeder cable to the extension cable and hang it to the cable lock (pic. I).
Hold the appliance by both hands and take the operating posture.
Start the string trimmer by pressing the hand throttle (pic. A/3) (pic. J).
Hold the appliance at an angle of app. 30° and move it in a regular semicircular right-left movement (pic. N-O)
Best results are achieved with the maximum grass height of 15 cm.
If the grass is higher, more cuttings are recommended (pic. P-Q).

CAUTION! Do not put the cutting head on the ground when the appliance is being operated.
Spool of string adjusting:

Keep the running appliance above the grass plot-Tap slightly the cutting head to the ground several times. The string will extend (pic. M) by this.
The knife in the protection cover (pic. A/9) will cut the string to the required length.

Order for switching the appliance off:
The appliance stops after a few seconds when the hand throttle (pic. A3) (pic. J) is released. Disconnect now the appliance off the extension or feeder cable.

Spool of string replacement
CAUTION! The appliance must necessarily be switched off before changing the spool of string!

Switch the string trimmer off and wait until the nylon fibre fully stops and then disconnect the appliance from the feeder cable.
Now grasp the spool, press both notches and remove the spool of string (pic. K-L).
Remove the empty spool and fir a new one. Fit the spool on the spring and press it until it snaps in.
Pull the string up to the edge of the protection cover if necessary. When the cutting head is started for the first time, the string is cut off by the knife on the protection cover to the appropriate length.
The appliance can now be re-plugged and started.

Training

Please read carefully the Operating Instructions and the servicing instructions. Familiarise thoroughly with the controls and proper using of the appliance. You must know how the appliance works and how controls can quickly be switched off.
Never let children work with the appliance. Never let an adult person work with the appliance without proper training.
Do not let any persons, especially small children and pets, to the place of your work.
Be careful to prevent slipping or falling.

Warranty

A warranty period of 12 months applies to commercial use and 24 months apply to private use and commences on the day of purchase of the device.
Warranty applies exclusively to failures due to defective material or workmanship. An original sale slip with indication of date of sale must be presented in case of claiming for the warranty rights.
Warranty does not cover unprofessional use such as device overload, violent use, damage caused by third party or foreign materials, failure to comply with operations and assembly manual, and normal wear and tear.

Disposal

The disposal instructions are based on icons placed on the appliance or its package. The description of the meanings can be found in the “Marking” section.

Transport package disposal
The package protects the appliance against damage during transport. Packing materials are usually chosen depending on their environmental friendliness and disposal method and can therefore be recycled.
Returning the package to material circulation saves raw materials and reduces waste disposal costs.
Parts of packages (e.g. foils, styropor) can be dangerous to children. Risk of suffocation!
Keep parts of packages away from children and dispose them as soon as possible.

Maintenance

Do you have any technical questions? A claim? Do you need spare parts or the Operating Instructions?
You will be helped quickly and without needless bureaucracy at our webpage www.guede.com in the Services part. Please help us be able to assist you. To be able to identify your appliance when claimed, we need to know its serial No., order No. and year of production. All these details can be found on the type label. Enter the details below for future reference.
Serial No.
Order No.
Year of production:

Tel.: +49 (0) 79 04 / 700-360
Fax: +49 (0) 79 04 / 700-51999
E-Mail: support@ts.guede.com

Servicing

The appliance must always be switched off before any servicing and cleaning. Wait until the appliance fully stops. Unplug the appliance.
Servicing works not explicitly specified in this manual must be performed by a professional as there might be Every time the appliance has been used, clean the string trimmer with a clean cloth, brush or blow it by compressed air under low pressure.
Do not use cleaning agents and solvents as they could damage the plastic parts of the appliance.
Do not spray on the string trimmer.

Winterising

Clean the appliance properly.
Keep the appliance in a dry room.
Provide overall servicing as described in the Servicing section.
Let the appliance cool down.
Clean the appliance external surface.

Troubleshooting

The table shows potential failures, their possible cause and removal options. However, if you are unable to remove the problem, contact a professional to assist you.
Switch off and unplug the appliance before any servicing and cleaning.

Symptoms	Possible cause	Remedy

Appliance not cutting

| Spool of string is too short
Spool is empty| Adjust the spool of string
Remove the spool
Appliance not starting| Interrupted power supply| Check the plug, feeder and extension cable