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7. DRILL SPEEDS
The chart below shows recommended drill speeds for various bit diameters and materials. Select the available drill speed that is the same as, or
nearest to, the one recommended for the task in hand.
Drill Dia. (mm)
Steel
3
1820
4
1350
5
1290
6
970
7
830
8
830
9
500
10
500
11
500
12
420
13
420
14
420
16
320
18
320
20
280
22
210
120
25
8. MAINTENANCE
8.1.
Clean the tool after each use. A coat of car type wax applied to the table and column will help to keep the surfaces clean.
8.2.
Blow out any dust that may have accumulated in the motor.
8.3.
Periodically lubricate all moving parts.
9. TROUBLESHOOTING
Problem
Excessive noise
Excessive drill wobble
Drill binds in the work piece
Drill burns or smokes
Table is difficult to move
ENVIRONMENT PROTECTION
Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be sorted, taken to
a recycling centre and disposed of in a manner which is compatible with the environment. When the product becomes completely
unserviceable and requires disposal, drain any fluids (if applicable) into approved containers and dispose of the product and fluids
according to local regulations.
WEEE REGULATIONS
Dispose of this product at the end of its working life in compliance with the EU Directive on Waste Electrical and Electronic Equipment
(WEEE). When the product is no longer required, it must be disposed of in an environmentally protective way. Contact your local solid
waste authority for recycling information.
Note: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts without prior
notice. Please note that other versions of this product are available. If you require documentation for alternative versions, please email or call
our technical team on technical@sealey.co.uk or 01284 757505.
Important: No Liability is accepted for incorrect use of this product.
Warranty: Guarantee is 12 months from purchase date, proof of which is required for any claim.
Sealey Group, Kempson Way, Suffolk Business Park, Bury St Edmunds, Suffolk. IP32 7AR
01284 757500
© Jack Sealey Limited
Drill speed (rpm)
Cast Iron
2580
1820
1350
1290
970
970
970
830
830
830
500
500
500
420
320
320
280
Possible causes
1. Incorrect belt tension
2. Spindle is dry
3. Pulley is loose
4. Bearing damaged
1. Chuck is loose
2. Bearing or spindle shaft is worn
3. Chuck is worn
1. Feed pressure is wrong
2. Belt is loose
3. Drill is loose
4. Speed is too fast
1. Speed is too fast
2. Chips are not discharging
3. Drill bit is dull
4. Lubrication needed for work
5. Feed pressure is wrong
1. Lubrication is needed
01284 703534
Original Language Version
Iron
Alum. & Copper
2580
2580
1820
2580
1350
2580
1290
2580
970
2580
970
2580
830
1820
830
1820
830
1820
500
1820
500
1350
500
1350
500
1290
420
1290
320
970
280
970
210
830
Solution
1. Adjust tension
2. Disassemble spindle/quill and lubricate
3. Tighten pulley
4. Replace the bearing
1. Tighten the chuck by pressing it against the table (see 5.6 and 5.8)
2. Replace worn part
3. Replace the chuck
1. Apply less pressure
2. Adjust tension
3. Tighten the drill with the key
4. Change the speed
1. Change the speed
2. Clean the drill
3. Use a new bit
4. Lubricate whilst drilling
5. Apply less pressure
1. Lubricate with light oil
sales@sealey.co.uk
www.sealey.co.uk
SDM30.V2 Issue 5 (2,3) 30/06/20
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