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CHANG E S AND T YPI N G ERRORS RESERVED
CHANG E S AND T YPI N G ERRORS RESERVED
CHANG E S AND T YPI N G ERRORS RESERVED
When you want to change the speed range, loosen the knobs on both sides of the headstock and open the cover.
Pull the belt handle to allow belt repositioning and then move belt to the required groove.
For proper belt tension, you should be able to push the belt in to a distance of about 13 mm.
Machine model Belt specifications Quantity
HU 20 Super FM-42.5 1
HU 20F Super FM-42.5 1
7.6 noise levels
Noise level with no load: Lpa = 62 dB(A)
Noise level with load: Lpa = 64 dB(A)
8. TroUbleshooTing
Switch off power and remove plug from power source outlet before trouble shooting.
Problem Solution
Drill is caught in the work piece and the spindle
has stopped
1. Push the emergency button
2. Turn off the power
3. Turn the spindle manually counterclockwise to withdraw
the tool from the work piece
4. Clean any chips on the work piece.
5. Turn on the power again
6. Resume drilling slowly to test if the drill does not get caught
again and then return to normal feed
Supply of cutting liquid inadequate 1. Check if the pump is running
2. Check if the hose is leaking
Spindle shaft cannot run completely 1. Check the belt tension
2. If the tension is too little, adjust it
3. Replace worn belts
Motor does not work 1. Check the power and check if the machine is switched on
2. Check the power cable for damage. Replace damaged
cables directly.
Spindle shaft makes a lot of noise 1. Check the bearing
2. Check if the v belt tension is too high; this will cause noise.
Drill oscillation 1. Check chuck condition
2. Make sure the drill is properly fixed in the chuck
JTD-19 series
1. Loosen knob B on both sides of headstock.
2. Push handle A forward as arrow sign to get belt tension.
3.Lock knob B firmly to fix belt tension.
When speed change is required. Loosen lead bolt (parts no. 22-S2) on both side of headstock. Pull belt
handle (parts no. 26) to allow belts repositioning and then move belts to correct groove to acquire
desired speed. See following speed chart for reference.
JTD-19series
For proper belt tension, use 10 1bs pressure or hand pressure on the belt as shown as bellow.
Models belt model tables
17
Machine model
Belt specifications
Quantity
JTD-19series
FM-42.5
1
B
A
JTD-16series
1. Loosen knob B on both sides of headstock.
2. Push handle A forward as arrow sign to get belt tension.
3.Lock knob B firmly to fix belt tension.
When speed change is required. Loosen lead bolt (parts no. 22-S2) on both side of headstock. Pull belt
handle (parts no. 26) to allow belts repositioning and then move belts to correct groove to acquire
desired speed. See following speed chart for reference.
JTD-16S
JTD-16SA
For proper belt tension, use 10 1bs pressure or hand pressure on the belt as shown as bellow.
Models belt model tables
17
Machine model
Belt specifications
Quantity
JTD-16S
A-42
1
JTD-16SA
A-25 / A-26
2
B
A
Figure 10
Figure 11
9


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