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MAINTENANCE

REPLACING SANDING BELT 

 

The sanding belt should be replaced when it becomes worn out as follows: 
 

1. Loosen the 2 lock knobs (A) Fig.19 which secure the upper belt safety guard (B), 

then lift and remove the upper belt safety guard. 

2. Loosen and remove the 2 pan head screws (C) Fig.19 which secure the lower 

belt safety guard (D), then remove the lower belt safety guard. 

3. Raise the belt tension quick release lever (E) Fig.19 to release the tension on the 

sanding belt. Remove sanding belt. 

4. Reinstall a new sanding belt in the reverse order. Make sure you pay attention to 

the direction of rotation of the belt, as indicated on the inside of the belt. Belt life 
will be increased if installed in the correct direction. 

 
Replacement sanding belts listed below are available as optional accessories,      
contact your nearest King Canada distributor for more information. 
 

Model

Size

Grit

Qty

 

SB-648-K-60

6” x 48”

60

SB-648-K-80

6” x 48”

80

2  

SB-648-K-100

6” x 48”

100

2  

SB-648-K-120

6” x 48”

120

2   

 

Note:

 After changing the sanding belt, it is highly recommended to verify and adjust 

the sanding belt tracking before starting a sanding operation. See section below for 
more information. 
 

SANDING BELT TRACKING ADJUSTMENT 

 

Proper sanding belt tracking can extend the life of the sanding belt and will prevent 

the sanding belt from slipping off the rollers. The ideal adjustment is having the 
sanding belt run perfectly straight between the rollers. Sanding belt tracking is done 
as follows: 

  

1. Manually turn the sanding belt by hand and observe the tracking (alignment) of 

the sanding belt as it turns. If it turns straight no adjustment is needed. 

2. If an adjustment is needed, loosen hex. nut (A) Fig.20. 
3. Turn tracking adjustment knob (B) in small increments at a time. Turn knob    

clockwise if the belt tracks towards the right. Turn knob counterclockwise if the 
belt tracks towards the left. 

4. Verify your adjustment, turn the sander on for a few seconds and check sanding 

belt tracking. Adjust further if needed until the sanding belt runs perfectly straight 
between the rollers. Retighten hex. nut (A) Fig.20. 

 

REPLACING SANDING DISC 

 

The sanding disc should be replaced when it becomes worn out as follows: 
 

1. Remove the 3 pan head screws (A) Fig.21 then remove the safety guard (B). 
2. Peel the sanding disc (A) Fig.22 off the sanding wheel. Remove the peel away 

backing on the back of the new adhesive sanding disc and carefully stick it onto 
the sanding wheel. Rotate wheel half a turn and stick the other half of the sanding 
disc. 

3. Reinstall the sanding disc safety guard (B) Fig.21. 
 
Replacement sanding discs listed below are available as optional accessories,      
contact your nearest King Canada distributor for more information. 
 

Model

Size

Grit

Qty

 

SD-12-60

12”

60

SD-12-80

12”

80

SD-12-100

12”

100

SD-12-120

12”

120

Figure 19

Figure 20

Figure 21

Figure 22

Summary of Contents for KC-790FX

Page 1: ...INSTRUCTION MANUAL MODEL KC 790FX 6 X 48 BELT 12 DISC SANDERS COPYRIGHT 2017 ALL RIGHTS RESERVED BY KING CANADA TOOLS INC MODEL KC 790FX DC with built in dust collector Line Interruption...

Page 2: ...dents repairs done by an unauthorized service center alterations and lack of maintenance King Canada shall in no event be liable for death injuries to persons or property or for incidental special or...

Page 3: ...e sanding belt narrower than 1 inches Narrower belts uncover parts that could trap your fingers worn or damaged electric cords stable mounting and any other conditions that may affect the way the sand...

Page 4: ...tc for any workpieces large enough to tip when not held down to the table top NEVER use another person as a substitute for a table extension or as additional support for a workpiece that is longer or...

Page 5: ...g which looks like the one illustrated in Fig 1A 110V OPERATION This sander comes with a dual voltage motor it is possible to convert this machine from 220V to 110V operation Unless you are a qualifie...

Page 6: ...the machine does not restart wait an additional 5 minutes before attempting to restart Sander TURNING THE BUILT IN DUST COLLECTOR ON OFF KC 790FX DC ONLY The On Off switch B Fig 4 is used to turn the...

Page 7: ...ust chute KC 790FX only 20 Belt tension lever 21 Dust Collector On Off switch with removable safety key KC 790FX DC only 22 Dust Collector motor KC 790FX DC only 23 Dust collection bag KC 790FX DC onl...

Page 8: ...collector motor cord B as shown Also make sure the dust bag C Fig 6 is clamped properly with the wire clamp D WARNING The Belt and Disc Sander with Built in Dust Collector model KC 790FX DC should no...

Page 9: ...A centre point A Fig 11 is provided to allow sanding of round workpieces The centre point gets installed in the small T slot perpendicular to the sanding disc The centre point gets positioned accordin...

Page 10: ...scale and pointer C as a guide to set the desired angle 3 Retighten lock knobs once adjustment is done To adjust the 90 bevel stop of the sanding disc table 1 Place a square A Fig 15 on the sanding d...

Page 11: ...out of your hands Use the miter gauge for added control of the workpiece during sanding The miter gauge can also be set to various degree angles for maintaining accurate angles when sanding small or...

Page 12: ...slipping off the rollers The ideal adjustment is having the sanding belt run perfectly straight between the rollers Sanding belt tracking is done as follows 1 Manually turn the sanding belt by hand a...

Page 13: ...y specifications LUBRICATION The ball bearings in this machine are packed with grease at the factory They require no further lubrication All other moving parts should be sprayed with a liquid lubrican...

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