GMC COS355 Instruction Manual Download Page 10

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6. Clean any grinding dust from 

the inner flange and, after 

checking that it is in good 

condition, mount a new disc 

between two paper blotters. 

The rear blotter should be 

mounted onto the inner 

flange and the front blotter 

is the printed surface on the 

front of the disc.

7. Replace the outer flange, washer and lock bolt. Tighten 

the bolt in a clockwise direction.

8. Turn the new disc by hand, ensuring that it rotates fully 

and does not wobble unduly.

9. Replace the front spark shield by locating the centre 

pivot section of the spark shield into the raised centre 

section of the upper disc guard. 

Note.

 You need to locate the 

small tab of the spark guard on 

the inside of the wheel guard. 

You may need to push this into 

position over the head of the 

disc locking bolt. The two parts 

will only locate together when 

the spark guard is in the down 

position with approximately 

80mm of the wheel at the bottom exposed. After locating 

centrally, lift the spark guard FULLY, ensuring the two parts 

rotate correctly and do not detach. With the guard in the 

FULLY upright position, there is only one threaded hole 

exposed. Replace the spark shield locking screw fully in this 

hole. Operate the spark guard up and down to ensure it is 

correctly located prior to turning the cut off saw on.

Note. 

Ensure that the depth 

stop is adjusted to the correct 

height before commencing 

operation. The adjustable depth 

stop is threaded into the base 

of the machine at the rear. By 

raising and lowering the depth 

stop bolt with the 5mm hex 

key the travel of the cut off 

wheel can be controlled. This feature is particularly useful 

to prevent contact with the work bench surface when a 

new disc is fitted or increase disc travel as the abrasive 

disc wears. The depth stop should be checked and adjusted 

everytime a new disc is fitted.

Operation

1. Make all adjustments including 

setting the vice, fence position 

and fence angle. 

2. Ensure that the work piece is 

fully secured before starting 

any cutting.

Note.

 Ensure you are wearing 

the appropriate safety gear 

including eye protection and hearing protection.
3. Check that the disc, guard and tool are in good condition.
4. Plug the cordset into the mains socket.
5. Push the lock-off button and pull the trigger to start the 

tool.

6. Bring the disc down onto the workpiece and allow it to 

cut its way through the workpiece without undue force.

7. Once the cut is finished, raise the arm to clear the disc 

from the work piece, release the trigger and the cut off 

saw will stop. Please note that the disc will continue to 

Summary of Contents for COS355

Page 1: ...INSTRUCTION MANUAL Melbourne Perth Auckland Hong Kong Shanghai Taipei New York Verona London Paris 355mm 14 Cut Off Saw COS355 040927 ED7 PR ...

Page 2: ... damage or defects to the tool caused by or resulting from abuse accidents alterations or commercial or business use It also does not cover any bonus accessories unless the tool is a GMC Platinum Professional model Please ensure that you store your receipt in a safe place Conditions apply to the above warranty If you need direction of what constitutes a free of charge warranty claim please review ...

Page 3: ...part or user information please phone our Help Line for an immediate response Phone 1300 880 001 in Australia or 0800 445 721 in New Zealand Introduction Your new GMC power tool will more than satisfy your expectations It has been manufactured under stringent GMC Quality Standards to meet superior performance criteria You will find your new tool easy and safe to operate and with proper care it wil...

Page 4: ...tools or attachments to do the job best handled by a heavier duty tool Never use a tool for a purpose for which it was not intended 7 Dress correctly Do not wear loose clothing or jewellery They can be caught in moving parts Rubber gloves and non slip footwear are recommended when working outdoors If you have long hair wear a protective hair covering 8 Use safety accessories Safety glasses and ear...

Page 5: ...g the disc on your finger Listen for the ring If the tone is dull do not use the disc It may be cracked When the disc is installed stand to one side out of line with the disc and run the tool for at least a minute to make sure that it is not faulty Always stay out of line of the disc when using the saw Do not use a cut off disc marked with a lower RPM than that of the no load speed shown on the ra...

Page 6: ...discs that are deformed or cracked Always remove the plug from the mains socket before making any adjustments or maintenance including changing the disc Accessories The GMC COS355 chop saw is supplied with the following accessories as standard 1 8mm Hex key 2 5mm Hex key 3 355mm Cut off disc fitted 4 Rear spark shield 5 Rubber feet x4 6 Instruction manual 7 Receipt holder Unpacking Due to modern m...

Page 7: ...d 5 Spark shield locking knob 6 Cut off disc 7 Spindle lock 8 Rear spark shield 9 Base 10 Rubber foot 11 Vice lock release lever 12 Vice handle 13 Vice 14 Fence 15 Carry handle 16 Lock down knob 17 Depth stop 18 8mm Hex key 19 5mm Hex key 6 8 15 9 12 11 13 14 3 19 18 5 17 2 10 4 1 16 7 16 ...

Page 8: ...olt so it is in between the spark deflector and the cut off saw Place the spark shield in the correct position and tighten the hex bolt 3 Tighten the hex bolt to secure the spark shield in position Adjusting the vice The vice can be adjusted quickly by loosening the vice lock release lever and pushing forward 1 Place your workpiece in between the fence and vice 2 Lift the vice lock release lever a...

Page 9: ... wider interval settings Turning on and off 1 Plug the cordset into the mains socket 2 Push the lock off button and pull the trigger to start the tool 3 To stop the tool release the trigger switch 4 When you release the trigger switch the machine turns off and the lock off button re engages to prevent accidental operation Warning The cutting disc will continue to run down for a short period of tim...

Page 10: ...hole Operate the spark guard up and down to ensure it is correctly located prior to turning the cut off saw on Note Ensure that the depth stop is adjusted to the correct height before commencing operation The adjustable depth stop is threaded into the base of the machine at the rear By raising and lowering the depth stop bolt with the 5mm hex key the travel of the cut off wheel can be controlled T...

Page 11: ...e motor failure Too much pressure being applied to the tool can also cause the cutting disc to cut on an angle Ensure the beginning of the cut is a gradual start and apply the firm and constant pressure as the cut gets deeper When cutting sections always try and cut the sections so as the actual cutting length is as short as possible through the section For example angle iron has two sections to b...

Page 12: ...vice to make suggestions or give comments about any GMC product With continuing product development changes may have occurred which render the product received slightly different to that shown in this instruction manual The manufacturer reserves the right to change specifications without notice Note Specifications may differ from country to country The GMC 777 Helpline operates from 7am to 7pm 7 d...

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