Comer E21 Operating And Maintenance Manual
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Comer E21 Operating And Maintenance Manual

Electric chain saws for the building industry
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Read this instructions manual
before using the electric chain saws E21-E23 !
O
RIGINAL INSTRUCTIONS

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Summary of Contents for Comer E21

  • Page 1 Read this instructions manual before using the electric chain saws E21-E23 ! RIGINAL INSTRUCTIONS...
  • Page 3 Read this manual before use Before you start using the electric chain saws E21 - E23 read this instructions manual. The guarantee of the good operation and safety of the electric chain saws is closely dependent on the application of all of the instructions contained in this manual.

  • Page 4: Table Of Contents

    Summary 1 PREFACE ....................5 1.1 G ................5 ENERAL NFORMATION 1.1.1 Conservation of the manual ............5 1.1.2 Manufacturer and Customer Service .......... 5 1.1.3 Graphics of safety warnings ............6 2 SAFETY WARNINGS .................. 7 2.1 G ................7 ENERAL SAFETY RULES 2.2 R ..................

  • Page 5: Preface

    PREFACE 1.1 General Information This manual is an integral and essential part of the electric chain saws E21 – E23 and must be delivered to the user. Before commissioning, it is essential that users read, understand and follow carefully the provisions that follow.

  • Page 6: Graphics Of Safety Warnings

    1.1.3 Graphics of safety warnings To identify the safety messages in this manual, the following signaling graphic symbols will be used. They are intended to draw the reader's attention for a correct and safe use of the electric saw. Pay attention It highlights behavioral rules to be followed to avoid damage to the electric chain saws and/or the occurrence of hazardous situations.

  • Page 7: Safety Warnings

    Risks related to the use of the electric saws  For safe use of the electric chain saws E21 – E23 you should take note of all the requirements for the prevention of accidents reported in this manual.

  • Page 8: Warnings For Users

    Unauthorized modifications  Do not modify the electric saw in any way. Any attempt in this respect, further to void warranty, can compromise the operation, cause malfunctions or accidents. Extraordinary maintenance works on the electric saw shall be performed only by qualified and authorized personnel. ...
  • Page 9 7. Always use the electric saw wearing the appropriate Personal Protective Equipment, such as: accident prevention and anti-slip shoes, gloves, visor for the face or goggles, work overalls and ear muffs. 8. If the cut produces a lot of dust, use a dust mask as well. 9.
  • Page 10 Dangers related to the use of work equipment Workers responsible for use of the electric chain saws E21 – E23 must have all necessary information and education and must receive appropriate training about safety with reference to: a) the conditions of use of the equipment;...

  • Page 11: Preparations For The Work

    The user must minimize potential risks by always wearing the following protective equipment (PPE). Personal Protective Equipment (PPE) Before using the electric chain saws E21 – E23, the user must ALWAYS wear appropriate Personal Protective Equipment (PPE), such as: ...

  • Page 12: Other Provisions

    If any fault is detected do not use the electric chain saws E21 – E23 ! Dangers related to unauthorized...

  • Page 13: Electric Sawsdescription

    Breaker S.r.l. Otherwise, apply new ones after requesting them to 3.1 EC plate In the identification label applied on the electric chain saws E21 - E23 the following data are provided (see Fig. 1):  Business name and address of the manufacturer, ...

  • Page 14: Pictograms And Safety Signals

    Dispose of waste according at end-of-life, in accordance with the law provisions.  WARNING: Do not use the chain saw if you have not previously checked the oil tank. Recommended oil: COMER E20, specific for chains.  Guaranteed sound power level L : 110 dB.
  • Page 15 Figure 2 – Safety pictograms on the electric chain saws E21 – E23. RIGINAL INSTRUCTIONS...

  • Page 16: General Description

    Dangers related to misuse and/or unintended use The electric chain saws E21 – E23 were designed and manufactured for the use specified above; a different use and non-observance of the technical parameters laid down by the manufacturer may endanger users or third persons.

  • Page 17: Technical Data Sheets

    3.4 Technical data sheets Technical specifications for electric saws. Trademark COMER Manufacturer Breaker S.r.l. Model Supply voltage – V Rated power – W 1800 2300 Rated current – A Power supply frequency – Hz Self-weight (bar and chain, 47 cm) – kg 8.37...

  • Page 18: Conditions Of Use And Environment Provided

    3.5 Conditions of use and environment provided 3.5.1 Intended use As previously mentioned, the electric chain saws E21 – E23 were designed and manufactured for cutting light construction materials, such as Poroton, Alveolater, Gasbeton, Ytong, Siporex, Eraclit, tuffs, expanded cellular concrete.

  • Page 19: Improper Use And Contraindications

    3.5.3 Improper use and contraindications The actions described below, which of course cannot cover the entire range of potential possibilities of "misuse" of the electric saws, are absolutely prohibited. The manufacturer declines all responsibility for any damage to things and persons caused by prohibited operations.
  • Page 20 IT IS ABSOLUTELY FORBIDDEN! (continues)  Using the electric saw with one hand only or with one hand plus other body parts.  Using the electric saw with just one hand and not both (the right hand on the rear handle while the left one on the front handle). ...

  • Page 21: Lifting And Unpacking

    4.2 Unpacking and package content Open the carton box containing the electric saw, then remove the safety cover and the first layer of carton (see Fig. 3). Figure 3 – Carton box to pack the electric chain saw E21 – E23. RIGINAL INSTRUCTIONS...
  • Page 22 Pull the satchel with the chain out and then remove the second layer of carton (see Fig. 4-1). Figure 4 – Carton box to pack the electric chain saw E21 – E23. Pull the engine body of the electric saw and then the envelope containing the manual and the Accessory kit (see Fig.
  • Page 23 Figure 5 – Accessory kit provided with the electric chain saws E21 – E23. RIGINAL INSTRUCTIONS...

  • Page 24: Commissioning

    COMMISSIONING 5.1 Bar and chain mounting Wear protective gloves Always wear protective gloves before mounting the chain-guide bar and the chain. 1. Check that the plug of the electric saw is disconnected from the network. 2. Remove the bar nuts A and the chain cover B (see Fig. 6-3). 3.
  • Page 25 Figure 6 – Mounting of chain-guide bar and chain. Check the chain tension The chain is at its correct tension when it can be easily pulled by hand while still fitting snugly all around the bar (see the figure at the side).

  • Page 26: Oil Filling And Chain Lubrication

    5.2 Oil filling and chain lubrication Check that the plug of the electric saw is disconnected from the network. The chain is automatically lubricated during use by a pump which normally requires no maintenance. However, this presupposes that clean oil of the correct type is used. 1.

  • Page 27: Power Supply Connection

    5.3 Power supply connection Insert the plug into the socket following the joints (see Fig. 8), then turn the supply switch to ON (I) to power up the machine. Figure 8 – Insert the power plug. Power supply parameters Check the voltage and make sure that it matches the following data before inserting the plug into the supply socket: ...

  • Page 28: Checks Before Starting The Machine

    Extension cables Only use cables with the H07RN-F code and of the size mentioned, with a 250V/16A "European" plug for external use. Frequently check the plugs and the extension cables and replace them if damaged. For these kinds of interventions get in touch with an authorized service center.

  • Page 29: Using Theelectrical Saw

    6 USING THEELECTRICAL SAW Personal Protective Equipment (PPE) Before using the electric chain saws E21 – E23, the user must ALWAYS wear appropriate Personal Protective Equipment (PPE), such as:  Work overalls or clothing (snug-fitting and with tight sleeves), ...
  • Page 30 CHAIN BREAK-IN Wear protective gloves Always wear protective gloves before the chain break-in. Figure 10 – Lubrication and chain brake-in. Tension adjustment should always be made when the chain is cool. Before connecting the electric saw to the network, turn the chain manually and lubricate it with additional oil (see Fig.
  • Page 31 HAND GUARD AND CHAIN BRAKE Figure 11 – Hand guard with chain brake control and reactivation lever. The chain brake ensures a safety use of the electric saw. The chain brake triggers when the operator’s hand accidentally presses on the hand guard A (see Fig. 11-2). Once the brake is triggered, the chain immediately stops and disconnects the motor.
  • Page 32 1. Keep the handles of the electric saw firmly, the front one with the left hand while the rear one with the right hand. Push the safety block switch (A) and then the Start/Stop button (B) to power up the electric saw (see Fig.
  • Page 33 Kickback safety rules  Kickback may occur when the nose or tip of the guide bar touches an object or when the material closes in and pinches the chain while cutting. These conditions may cause sudden reverse reactions with a consequent loss of control of the electric saw.
  • Page 34 Cutting light materials and walls vertically For cutting of light building materials, such as clay bricks and tuffs, set the bar with the moving chain and the sawtooth on the brick (see Fig. 14-14). When cutting vertically into walls to create openings, passages, windows etc. always start with the chain in motion and the bar lower side resting vertically against the wall (see Fig.

  • Page 35: Maintenance

    Breaker S.r.l. The Customer Service is able to provide all information and to respond to all requests to treat and maintain the electric chain saws E21 - E23 as perfectly efficient as possible In case of installation of non-original parts the guarantee loses validity! 7.2 Regular maintenance...
  • Page 36 Check the readability and the presence of the CE label and adhesive safety pictograms applied to the electrical saw. Figure 15 – Regular maintenance activities of the electric chain saws E21 - E23. General maintenance, cleaning  It is absolutely forbidden to direct jets of water under pressure to electrical parts, such as the engine and the Start/Stop button.
  • Page 37 Replacing the motor brushes  In case the brushes create too many sparks, get in touch with the Customer Services to have them checked.  Require the assembly of original brushes.  Brushed must be replaced not individually, but always in pair. All the ordinary and extraordinary maintenance operations not indicated in this manual must be performed by an authorized Service Center.
  • Page 38 HOW TO REPLACE CHAIN SPROCKET Chain sprocket is to be replaced when its teeth show deep cuts in the order of a few mm. Apart from causing turning problems to the chain, an excessive use of the sprocket would damage it forever. Remove the sprocket cover and take out both bar and chain.
  • Page 39 GUIDE BAR MAINTENANCE Every 20/30 linear meters, remove the blade in order to clean the chain sliding channel. Pass a scraper through the blade channel to make sure that any sand or dirt residues are removed. Remount the blade turned through 180° for uniform wear (see Fig.
  • Page 40 CHAIN SHORTENING To shorten the chain, place it against the anvil with the tooth pointing upwards, match the first rivet under the chain-breaker tip and expel the rivet by pressing the lever; repeat the procedure for the second rivet as well. Repeat the same operation on the consecutive tooth by turning the chain.
  • Page 41 CHAIN RIVETING After having jointed the chain with the relative links, use the riveting machine to match the part of the rivet to be fitted on the side of the hexagonal head; use the threaded lever to take up the slack created by the deformation of the rivet during knob rotation (see Fig.

  • Page 42: Technical Assistance And Spare Parts

    TECHNICAL ASSISTANCE AND SPARE PARTS If you need technical assistance or urgent delivery of spare parts, please indicate the following information:  Type of electric saw;  Registration number;  Year of construction;  Quality and quantity desired. Original spare parts The manufacturer is exempt from all responsibility for damage of any nature caused by the use of non-original spare parts.

  • Page 43: Warehouse Storage

    WAREHOUSE STORAGE In the event that the electric saw should be stored and not used for a long time, do the following operations:  Empty the oil from the tank and refit the cap.  Clean the electric saw thoroughly and grease the metal parts. ...

  • Page 44: Disposal Of Materials And Components

    10 DISPOSAL OF MATERIALS AND COMPONENTS Disposal of materials The disposal of packaging, waste, of parts replaced, of the electric saw as a whole at the end of its planned life, must be carried out in respect for the environment; avoid polluting soil, water and air, respecting in any case national and local legislation in force on this matter.

  • Page 45: Warranty Rules

    11 WARRANTY RULES The electric chain saws E21 - E23 are guaranteed for 24 months from the date of purchase. The guarantee provides for free replacement of any defective or prematurely worn out part provided that all the requirements have been met and there is no misuse of the electric saw.

  • Page 46: Notes

    12 NOTES RIGINAL INSTRUCTIONS...

This manual is also suitable for:

E23

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