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Borum CH16NT Owner's Manual page 8

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Aug-19
Quill Spring Adjustment
Fig 17
Speed Adjustment
1. Move the stop nuts to the lowest position and lock into place
with a wrench to prevent quill dropping while tensioning spring
2. Place screwdriver in lower front notch (A) of spring cap (B) and
hold it in place while loosening and removing nuts.
3. Carefully turn screwdriver counter clockwise and engage next
notch
4. Tighten inner nut (C) with wrench. DO NOT overtighten as this
will restrict quill removal.
5. Move stop nuts to highest position and check tension while
turning feed handle. It there isn't enough tension on spring,
repeat steps 2 – 4.
6. Check quill while feeding for:
movement. If movement is too tight slightly loosen nuts until
unrestricted.
3. BEFORE USE
Prior to each use conduct a visual inspection checking for abnormal conditions, such as cracked welds, leaks, and damaged,
loose, or missing parts.
Caution:
This drill press is intended for use only with drill bits. The use of other accessories may be hazardous.
Drill Speed:
Factors that determine the best speed to use in any drill press operation are:
Type of material being worked on, size of hole, type of drill or cutter and quality of cut desired. The smaller
the drill bit, the greater the required RPM. For softer materials, the speed should be higher than firmer
material.
Drill Metal:
Use clamps to hold work in place when drilling metal. DO NOT hold with hand. The flutes of the drill may
seize the work at any time, especially when breaking through stock, causing the work piece to spin.
Clamp:
The work must be clamped firmly while drilling: Any tilting, twisting, or shifting results not only in a rough
hole, but also increases drill bit breakage. For flat work, lay the piece on a wooden base and clamp firmly
down against the table to prevent the work piece from turning. If the piece is of irregular shape and cannot
be laid flat on the table, is should be securely blocked and clamped.
Chuck:
The chuck should be securely fastened to the spindle. Remove the chuck after adjustment. Only use the
chuck key provided by the manufacturer. This chuck key is spring loaded to prevent the chuck key from
remaining in the chuck during operation of the drill.
Fixing:
Fasten base of drill press to the floor before using to ensure no tipping, sliding of drill press.
The set screws of the head frame should be secured tightly before using this machine.
Power:
When mounting the motor, ensure the power is disconnected. Connect to power supply protected by a
circuit breaker.
Transportation: Lifting by Forklift;
1. If lifting equipment isn't available, use 1ton capacity forklift under the machine base to locate to
2. To move the drill press safely, place the forks of the forklift at the rear of the drill press – the drill press
3. Keep balance of drill press on pallet while moving with forklift.
position
must only be moved while on a pallet.
Made in China to TQB Brands Pty Ltd specifications
Visit us at www.tqbbrands.com.au
Smooth and unrestricted
Product Code: CH16NT
Page 8

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