28
TROUBLESHOOTING
Problem Probable Cause Possible Solution
Noisy operation
(under load).
Incorrect belt tension.
Dry spindle.
Loose pulley.
Loose belt.
Worn bearing.
Adjust tension.
Remove spindle and quill
assembly and lubricate.
Tighten pulley.
Adjust belt tension.
Replace bearing.
Excessive drill wobble.
Loose chuck.
Worn spindle or bearing.
Worn chuck.
Bent drill bit.
Tighten by pressing chuck
down on to a block of wood
against the table.
Replace the spindle shaft or
bearing.
Replace chuck.
Renew drill bit.
Motor won’t start.
Power supply.
Motor connection.
Switch connection faulty.
Faulty switch.
Motor windings burned.
Pulley cover not closed.
Microswitch on cover
faulty.
Check mains lead/fuse.
Check motor connections.
Check switch connections.
Replace switch.
Replace motor.
Close pulley cover.
Check operation of micro-
switch and renew/adjust as
necessary.
Drill binds in workpiece.
Excessive feed pressure.
Loose belt.
Loose drill.
Incorrect bit speed.
Drill angles incorrect for
type of material.
Apply less pressure.
Check belt tension.
Tighten drill with key.
Adjust the drill speed reasona-
bly.
Consult a technical manual
dealing with materials drills
and cutting angles and sharp-
en drill accordingly.
Drill bit burns or smokes.
Incorrect speed.
Swarf is not discharging.
Dull drill or not proper
clearance for material.
Needs coolant.
Excessive feed pressure.
Adjust drill speed accordingly.
Clean drill.
Check sharpness & taper.
Use coolant whilst drilling.
Apply less pressure.
Table difficult to raise.
Needs lubrication.
Table lock tightened.
Lubricate with light oil.
Loosen clamp.
33
Ref. No. Description SIP Part No. Ref. No. Description SIP Part No.
1. Base WD01-00738 34. Nut M8 WD01-00687
2. Column flange WD01-00739 35. Grub screw (M6 x 10) WD01-00711
3. Washer M8 WD01-00672 36. Motor pulley WD01-00766
4. Spring washer M8 WD01-00673 37. Washer WD01-00767
5. Bolt (M8 x 25) WD01-00695 38. Nut M5 WD01-00697
6. Grub screw (M6 x 12) WD01-00740 39. Circlip WD01-00704
7. Crank handle WD01-00741 40. Knurled screw WD01-00768
8. Circlip WD01-00742 41. Pulley cover WD01-00769
9, Worm shaft WD01-00743 42. Protecting ring WD01-00770
10. Worm pin WD01-00744 43. Screw (M6 x 10) WD01-00703
11. Worm gear WD01-00745 44. Washer M6 WD01-00702
12. Table support WD01-00746 45. Microswitch WD01-00706
13. Locking handle WD01-00747 46. Nut M6 WD01-00710
14. Table WD01-00748 47. Spring washer M6 WD01-00707
15. Spring washer M12 WD01-00676 48. Washer M6 WD01-00702
16. Bolt (M12 x 25) WD01-00749 49. Microswitch holder WD01-00709
17. Rack WD01-00750 50. Mains lead clamp WD01-00700
18. Column WD01-00751 51. Bearing 6202 WD01-00771
19. Grub screw (M6 x 12) WD01-00740 52. Belt O-450 WD01-00772
20. Rack collar WD01-00752 53. Spindle pulley WD01-00773
21. Handle knob WD01-00753 54. Spindle shaft WD01-00774
22. Handle WD01-00754 55. Circlip WD01-00713
23. Handle base WD01-00755 56. Bearing 6203 WD01-00714
24. Locking handle WD01-00756 57. Screw (M8 x 8) WD01-00775
25. Scale WD01-00757 58. Nut M10 WD01-00717
26. Roll pin (6 x 12) WD01-00758 59. Spring cover WD01-00776
27. Pinion shaft WD01-00759 60. Tension spring WD01-00777
28. Roll pin (6 x 18) WD01-00760 61. Mains lead WD01-00720
29. Motor spring WD01-00761 62. Screw (M8 x 15) WD01-00779
30. Motor push rod WD01-00762 63. Casting WD01-00780
31. Washer WD01-00763 64. Screw (ST2.9 x 12) WD01-00781
32. Motor plate WD01-00764 65. Switch WD01-00782
33. Motor WD01-00765 66. Screw (M4 x 10) WD01-00783