Tailift TPR720A - The Assembly and Disassembly of the Straight Handle Drill Bit

5-18
5.4.2 The assembly and disassembly of the straight handle drill bit
Fig. a. Fig. b.
No. Term
(1) Drill bit
(2) Drill spanner
(3) Tightening ring
(4) Hole for drill spanner.
(5) Drill bit clamp head.
Disassemble the straight drill bit as the following way:
a. Move away the drilling bit or lift the gearbox to the utmost point.
b. Power off.
c. Put on gloves.
d. Put the drill spanner into the hole for tightening.
e. Rotate the spanner counter clockwise till the clamp head falls.
Assemble the straight handle drill bit as the following way:
a. Move away the drilling bit or lift the gearbox to the utmost point.
b. Power off.
c. Put on gloves.
d. Adjust the tightening ring till the drill bit can be inserted.
e. Insert the drill bit into the clamp head at least 25 mm.
f. Put the drill spanner into the hole for tightening.
g. Rotate the spanner clockwise till the drill bit is tightened.
Precaution：
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：
The drill bit must be inserted at least over 25 mm, otherwise the bit get easily broken or
can’t drill very precisely.