Draper 98421 Manual Download Page 17

Page: 17 / 20

10. MAINTENANCE AND TROUBLESHOOTING

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Problem

Possible Cause

Remedy

Machine has vibration or

noisy operation.

1. Grinding belt not tracking

correctly on wheels.

1. Ensure belt is tracking

correctly.

2. Motor or component

loose.

2. Replace damaged or

missing bolts/nuts or

tighten if loose.

3. Stand not stable or

incorrectly secured to

floor.

3. Tighten mounting

hardware/relocate.

4. Motor fan rubbing on fan

cover.

4. Fix/replace fan cover.

Replace loose/damaged

fan.

5. Motor bearings at fault.

5. Test/repair/replace.

6. Broken/defective grinding

belt.

6. Replace grinding belt.

Grains easily rub off belt.

1. Belt has been stored in a

damp environment.

1. Replace damaged belt.

Store in a cool, dry area.

2. Belt has been broken or

folded.

2. Replace damaged belt.

Do not bend or fold belt.

3. Belt is old.

3. Replace with new belt.

Belt tracks to one side under

load.

1. Belt tracking not set

correctly.

1. Reset belt tracking.

Belt clogs quickly.

1. Excessive pressure while

grinding.

1. Clean belt, and then

reduce workpiece

pressure.

2. Belt worn or damaged.

2. Replace belt.

3. Workpiece material is

prone to belt-clogging,

such as soft aluminium.

3. Reduce feed pressure.

Use coarser-grit belt.

Workpiece gets frequently

pulled out of hand when

sanding.

1. Workpiece not supported

sufficiently.

1. Use work rest, work stop

or push block to support.

2. Leading edge or sharp

edges grabbing onto

paper.

2. Change angle or

orientation of workpiece

so it is not into oncoming

direction of belt

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Summary of Contents for 98421

Page 1: ... the product has been designed and contains all the necessary information to ensure its correct and safe use By following all the general safety instructions contained in this manual it will ensure both product and operator safety together with longer life of the product itself All photographs and drawings in this manual are supplied by Draper Tools to help illustrate the operation of the product ...

Page 2: ...neral Fax 44 0 23 8026 0784 1 3 UNDERSTANDING THIS MANUAL S SAFETY CONTENT Warning Information that draws attention to the risk of injury or death Important Information that draws attention to the risk of damage to the product or surroundings 1 4 COPYRIGHT NOTICE Copyright Draper Tools Limited Permission is granted to reproduce this publication for personal and educational use only Commercial copy...

Page 3: ...2 ADDITIONAL SAFETY INSTRUCTIONS FOR ABRASIVE FINISHING MACHINES 8 5 3 RESIDUAL RISK 9 5 4 CONNECTION TO THE POWER SUPPLY 9 6 TECHNICAL DESCRIPTION 6 1 IDENTIFICATION 10 7 UNPACKING AND CHECKING 7 1 PACKAGING 11 7 2 WHAT S IN THE BOX 11 8 ASSEMBLY INSTRUCTIONS 8 1 SUPPORT COLUMN 98422 ONLY 12 8 2 INSTALLATION 12 8 3 EYE SHEILD 13 8 4 SPARK TRAP 13 8 5 WORK REST 13 9 OPERATION AND USE 9 1 REPLACING...

Page 4: ...2 CONTENTS 4 11 DISPOSAL 12 1 DISPOSAL 18 12 EXPLANATION OF SYMBOLS 13 1 EXPLANATION OF SYMBOLS 19 ...

Page 5: ...when the warranty period is 90 days from the date of purchase This is extended to 24 months for parts only This warranty does not apply to any consumable parts any type of battery or normal wear and tear nor does it cover any damage caused by misuse careless or unsafe handling alterations accidents or repairs attempted or made by any personnel other than the authorised Draper warranty repair agent...

Page 6: ...nd pressure level 81 7dB A Sound power level 94 5dB A Weight 26kg 4 3 HANDLING AND STORAGE Care must be taken when handling this product Dropping this power tool could have an effect on its accuracy and could also result in personal injury This product is not a toy and must be respected Environmental conditions can have a detrimental effect on this product if neglected Exposure to damp air can gra...

Page 7: ...s properly Loose clothing long hair and jewellery are all dangerous because they can become entangled in moving machinery This can also result in parts of body being pulled into the machine Clothing should be close fitted with any long hair tired back and jewellery and neck ties removed Footwear must be fully enclosed and have a non slip sole Wear personal protective equipment PPE Dust noise vibra...

Page 8: ...local standards and as such should be maintained and repaired by someone qualified using only original parts supplied by the manufacturer This will ensure the tool remains safe to use 5 2 ADDITIONAL SAFETY INSTRUCTIONS FOR ABRASIVE FINISHING MACHINES WARNING Failure to follow these rules may result in serious personal injury Don t operate the machine until it is assembled and installed according t...

Page 9: ...nce is supplied with a moulded 3 pin mains plug for your safety The value of the fuse fitted is marked on the pin face of the plug Should the fuse need replacing ensure the substitute is of the correct rating approved to BS1362 and ASTA or BS Kite marked ASTA BSI The fuse cover is removable with a small plain slot screwdriver Ensure the fuse cover is replaced before attempting to connect the plug ...

Page 10: ...ttons emergency stop switch 3 Work stop 4 Work rest 5 Belt tracking adjustment knob 6 Spark trap 7 Eye sheild 8 Belt guard 9 Belt access panel 10 Contact wheel 11 Platen 12 Belt tension lever 13 Drive wheel 14 Dust extraction outlet 10 9 9 14 13 3 11 12 8 7 6 4 1 5 2 ...

Page 11: ...ained at least during the warranty period in case the machine needs to be returned for repair Warning Some of the packaging materials used may be harmful to children Do not leave any of these materials in the reach of children If any of the packaging is to be thrown away make sure they are disposed of correctly according to local regulations 7 2 WHAT S IN THE BOX As shown below there are several p...

Page 12: ...machine Position the column upside down and attach the base with the nuts bolts and washers removed in the previous step Then position right side up Remove the four bolts and washers from the top of the column Position machine on top of column and attach using the fasteners removed in previous step 8 2 INSTALLATION Before the machine can be used a suitable location must be found The area must be f...

Page 13: ... 8 4 SPARK TRAP FIG 6 To install the spark trap Install the spark trap into the slot beneath the contact wheel Tighten the knob to secure position 8 5 WORK REST FIG 7 To install the work rest Remove the two bolts and washers already installed into the work rest Position the work rest in place and install using fixings just removed 13 8 ASSEMBLY INSTRUCTIONS FIG 4 FIG 5 FIG 6 FIG 7 ...

Page 14: ...ng is to make sure the belt stays centered on the wheels and platen during grinding operations It needs to be checked any time you change or replace the belt Warning Never attempt to adjust maintain or service this machine while it is connected to the power supply To check and adjust the belt tracking Open the belt access panel Standing at the rear of the machine rotate the drive wheel 13 with one...

Page 15: ...formed on the front end of the grinder with the workpiece pressing against the contact wheel For additional control over the workpiece use the work rest to support workpieces during operations Always use two hands to maintain best control Connect the machine to the power supply turn it ON and allow it to reach full speed Position workpiece on work rest if feasible Use both hands to maintain contro...

Page 16: ...void blocking the air inlets and vacuum the ventilation slots regularly 10 2 TROUBLESHOOTING Problem Possible Cause Remedy Motor does not start or power supply trips immediately after start up 1 Emergency stop button depressed at fault 1 Lift switch cover Press ON button 2 Incorrect power supply voltage or circuit size 2 Ensure correct power supply voltage and circuit size are used 3 Power supply ...

Page 17: ...p environment 1 Replace damaged belt Store in a cool dry area 2 Belt has been broken or folded 2 Replace damaged belt Do not bend or fold belt 3 Belt is old 3 Replace with new belt Belt tracks to one side under load 1 Belt tracking not set correctly 1 Reset belt tracking Belt clogs quickly 1 Excessive pressure while grinding 1 Clean belt and then reduce workpiece pressure 2 Belt worn or damaged 2 ...

Page 18: ...that it is disposed of according to national regulations Contact your local authority for details of collection schemes in your area In all circumstances Do not dispose of power tools with domestic waste Do not incinerate Do not dispose of WEEE as unsorted municipal waste Waste Electrical Electronic Equipment 18 ...

Page 19: ...s Wear protective gloves WEEE Waste Electrical Electronic Equipment Do not dispose of Waste Electrical Electronic Equipment in with domestic rubbish Disable the machine before attempting to maintain it Do not touch the belts while the machine is turning Risk of electric shock Do not remove cover WARNING Always follow instructions stated ...

Page 20: ...ty Repair Agent For aftersales servicing or warranty repairs please contact the Draper Tools Help Line for details of an agent in your local area YOUR DRAPER STOCKIST TACM0620 Published by Draper Tools Limited No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior ...

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