5-16
5.4.1 The assembly and disassembly of the drilling head and clamp
Fig. a.
Fig. b.
Fig. c.
No.
Term
(1)
Revolving shaft.
(2)
Shaft bushing
(3)
Speedy drill bit clamp
(4)
The stem for the speedy drill bit clamp
(5)
Pin for releasing drill bit
(6)
Drill shaft end
(7)
Drilling shaft
Fig. d.
Disassemble the tapered handle drill bit and the drill head clamp as the
following way:
a.
Move away the drilling bit or lift the gearbox to the utmost point.
b.
Power off machine.
c.
Put on gloves.
d.
Insert a thick wood plate into the underneath of the drill bit and the drill bit head.
e.
Rotate the feed trip lever clockwise and have the spindle descend about
150 to 200 mm. As fig. a.
f.
Rotate the revolving shaft from the bushing till that the drill shaft end and drill shaft
are visible from the hole of releasing drill bit. as fig. b.
g.
Insert the pin for releasing the drill bit into the hole, as fig. c.
h.
Hit the end of the pin for releasing drill bit, using plastic hammer or copper bar, till the
drill bit and the drill bit clamp fall onto the wood plate.
Precaution
：
：
：
：
The distance between the thick wood plate, drill bit and the end of the drill bit clamp is
about 30 mm.
Summary of Contents for TPR720A
Page 7: ...1 6 Arm elevating motor For TPR 720A TPR 820A TPR 920A Arm elevating motor For TPR 1100...
Page 30: ...5 4 5 1 2 For TPR 1100 The front view of TPR 1100...
Page 40: ...5 14 Examples of clamping using the universal clamp...
Page 81: ...9 6 9 6 Electrical Circuit Diagram For TPR720A TPR820A TPR920A Standard...
Page 84: ...9 9 9 8 Electrical Circuit Diagram For TPR1100 Standard...
