6-1
CHAPTER 6
Adjustment
6.1General
Adjustment is needed after the machine has been used a period of time for its parts will
get loose or worn out, In the radial drill, there are three parts needed to be adjusted. One is
the arm clamping lever, another the gap between the gearbox and the arm rail, finally the
engagement between the feed trip lever and the clutch.
6.2 The arm clamping lever
After the machine has been used for about 3-5 years, the position of the arm clamping
lever will be descending. It is the time to adjust the position of the adjusting nut.
6.2.1(For TPR-1230, TPR-1230H)
Fig. a. Fig. a-1 Fig. b. Fig. c.
The relevant names The relevant names
No. name No. name
1. Release switch 3. Adjusting nut
2. Clamping switch 4. Fastening nut
Adjust the arm clamping lever as follows:
a. Press the figure1 shown in the bottom. Referring to the up right picture, release the
button after pointing the arrow head to b. The clamping device is released now.
b. Release the fastening nuts, totally 5 pieces, in the figure c and mark 4.
c. Using a wrench, adjust the nuts counter clockwise about 180°. (totally 5 pieces bolts)
d. Fasten the nuts, marked 4 in the figure c. (totally 5 pieces bolts)
e. Press the figure2 shown in the bottom left picture 1. Referring to the up right picture,
release the button after pointing the arrowhead to A. The clamping device is tightened
now.
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