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ELECTRICAL INFORMATION

TURNING THE SANDER ON/OFF 

This Sander comes with a 2 step activation safety switch, refer to Fig.3, 
which starts and stops the machine. To turn the Sander on: 
1. Push up on the emergency stop button (A) Fig.3 and lift the switch 

cover (B) as shown.  

2. Press the green On button (C) to start the Sander. 
3. To stop the Sander, you can either press the red Off button (D) or 

close the switch cover and push the large emergency stop button (E). 

 

RESET BUTTON (OVERLOAD PROTECTOR) 

This machine comes with an overload reset button (A) Fig.4. If the 
machine motor overheats, a safety mechanism stops the motor           
automatically. To prevent motor overheating, reduce load on motor or 
check voltage. Allow motor to cool down, then press the reset button and 
restart the machine. If 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 built-in Dust Collector on 
and off. To turn the Dust Collector “On”, lift the switch upwards (On      
position), to turn the Dust Collector “Off”, push the switch downwards (Off 
position).  
 
This switch comes with a removable safety key (C) Fig.4. When the   
safety key is removed from the switch and placed in a safe location, 
unauthorized persons or children can’t turn the switch to the On position. 
It is recommended to always remove the safety key from the switch 
whenever the sander is not in use. To remove the safety switch, make 
sure the switch is in the Off position and simply pull out the safety key. 
 

ELECTRICAL DIAGRAMS

Figure 3

Figure 4

Electrical Diagram 

KC-790FX-DC (220V)

Electrical Diagram 

KC-790FX-DC (110V)

Electrical Diagram 

KC-790FX (220V)

Electrical Diagram 

KC-790FX (110V)

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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