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Never cut magnesium- 
high danger of fire! 

In case of danger push the 
emergency stop button.  

Machine at rest: 

If the drill press is not used for a 
longer time, pull the mains plug and 
protect all blanc surfaces. 

 

6.1 Manual drilling 

Set the feed select switch (Z, Fig 3) to 
“0“ position. 

Tighten the downfeed handle lock 
knob (E, Fig 6). 

 

Fig 6 

Loosen the scale ring lock knob (D). 

Set the depth stop (Q) to the desired 
position. 

 

6.2 Micro down feed 

Set the feed select switch (Z, Fig 3) to 
“0“ position. 

Move the depth stop (Q, Fig 7) to the 
highest position. 

 

Fig 7 

Loosen the downfeed handle lock 
knob (E). 

Lower the spindle until the drill bit 
touches the workpiece. 

Rotate the scale ring to the desired 
drill depth and tighten the lock knob 
(D). 

Engage the feed mechanism by 
pushing out the down feed handles 
(F). 

Rotate the micro-feeding hand wheel 
(P). 

The spindle will feed down until the set 
drill depth has been reached. 

The feed will disengage and the 
spindle will return to the top by spring 
force. 
 

6.3 Automatic down feed 

Adjust the desired power down feed 
(Z, Fig 8). 

 

Fig 8 

Loosen the downfeed handle lock 
knob (E, Fig 9). 

Move the depth stop (Q, Fig 7) to the 
highest position. 

 

 

 

 

Fig 9 

Lower the spindle until the drill bit 
touches the workpiece. 

Rotate the scale ring to the desired 
drill depth and tighten the lock knob 
(D). 

Start the machine (X, Fig 5) 

Engage the feed mechanism by 
pushing out the down feed handles 
(F). 

The spindle will feed down 
automatically until the drill depth has 
been reached. 

The auto feed will disengage and the 
spindle will return to the top by spring 
force. 

CAUTION: 

Do not let feeding depth exceed 
spindle stroke. 

If not in use, disengage the power 
down feed mechanism.  
Set the auto-feed select switch (Z, Fig 
3) to “0“ position. 

 

Reference values for feed speed 

The feed speed depends on the drill 
bit diameter and the material of the 
workpiece. 

The larger the drill bit and the harder 
the workpiece, the lower the feed 
speed and the lower the spindle rpm. 

HSS-drill bit in material steel (C15): 

 

Fig 10 

6.4 Tapping operation 

For tapping operations the spindle 
speed must be below 150 rpm. 

The machine setup must be as 
follows. 

Summary of Contents for JDP-840VADT

Page 1: ...nty period is valid for eight hours of daily use If this is exceeded the warranty period shall be reduced in proportion to the excess use but to no less than three months Returning rejected goods requires the prior express consent of the Seller and is at the Buyer s risk and expense Further warranty details can be found in the General Terms and Conditions GTC The GTC can be viewed at www jettools ...

Page 2: ...carried out by a qualified electrician only Have a damaged or worn power cord replaced immediately Make all machine adjustments or maintenance with the machine unplugged from the power source Never place your fingers in a position where they could contact the drill or other cutting tool if the work piece should unexpectedly shift or your hand should slip Secure workpiece against rotation Use fixtu...

Page 3: ...tton U Digital readout V Variable speed select knob W Coolant On Off switch X Spindle ON button Y Emergency stop button Fig 3 Z Feed select switch 5 Transport and start up 5 1 Transport and installation The machine will be delivered in a closed crate For transport use a forklift or hand trolley Make sure the machine does not tip or fall off during transport Danger of tipping due to high gravity ce...

Page 4: ...has electric power Turn emergency stop button clockwise to reset Use the variable speed select knob V to set the speed The digital readout U shows the spindle speed 6 Machine operation Always adjust the table and the depth stop to prevent drilling into the table or vise Secure workpiece to the table with clamps or a vice to prevent rotating with the drill bit T slot size is 16mm Feed the bit into ...

Page 5: ... top by spring force 6 3 Automatic down feed Adjust the desired power down feed Z Fig 8 Fig 8 Loosen the downfeed handle lock knob E Fig 9 Move the depth stop Q Fig 7 to the highest position Fig 9 Lower the spindle until the drill bit touches the workpiece Rotate the scale ring to the desired drill depth and tighten the lock knob D Start the machine X Fig 5 Engage the feed mechanism by pushing out...

Page 6: ...n pull the mains plug 7 1 Removing the Chuck and Arbour Disconnect from the power source Push the E stop button Lower the quill using the down feed handle Lock the quill in lowered position by installing the supplied index pin A Fig 12 sichern Fig 12 Rotate the spindle to align the key in the spindle with the key hole in the quill Insert the drift key into the aligned slots and tap lightly We reco...

Page 7: ...mediately Repair and maintenance work on the electrical system may only be carried out by a qualified electrician Changing oil Drain oil after first month of operation by removing drain plug and refill with oil Gear box oil SAE 90 Then change the oil annually respectively every 700 operating hours Weekly lubrication Once a week lubricate gently with grease the teeth of the quill the column rack Co...

Page 8: ...tion holes and cooling fins for dust and debris o L o L I o L 2 Motor overloaded Reduce motor load O C o c A o c n o c d Abnormal currant increase Inspect motor connection and isolation c F I c F 2 c F 3 Inverter internal error Stop the machine and restart C F F Fuse failure ground failure Inspect the power supply fuses and ground connection Stop the machine and restart 10 Environmental protection...

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