5-20
5.11.2（For TPR-1600H/ TPR-2000H）
Ⅰ.Speedometer（For TPR-1600H/ TPR-2000H）
Two step choice 1 2
H (hi-speed)
1890 1010 475 220 115 55
Speed（rpm）
L (lo-speed) 1330 715 335 155 80 35
Mild steel
∅1-∅6 ∅6-∅24 ∅14-∅24 ∅24-∅36 ∅36-∅50 ∅50-∅66
Applicable
diameter mm
Cast iron
∅1-∅8 ∅8-∅18 ∅18-∅30 ∅30-∅44 ∅44-∅60 ∅60-∅78
Ⅱ. speed switch（For TPR-1600H/ For TPR-2000H）
Fig.1.
Fig.2. Fig.3.
The relevant names
The relevant names The relevant names
a. Step 1 d. Ref. Point for the
step 1.
h. Hi-lo speed
indicator
b. Step 2 e. Ref. Point for the
step 2.
i. Hi-lo speed
changing lever
c. Two speed lever f. Three step speed
changing lever
j. Hi-lo speed
reference point
g. Speedometer
（FOR TPR-1600H/ TPR-2000H）
The way to switch speed follows as:
Step Description
a. Stop rotation of the spindle.
b. Press down the emergency button.
c. Check the speedometer and select the suitable speed.
d. Switch the two step speed changing lever (as mark c in the fig. 1.) to the required
position. (Select the required step)
e. Switch the three step speed changing lever to the required position. When the two step
speed changing lever is at the step 1, the speed will be based on the reference point of
the step 1 (as mark d in the fig. 2). On the contrary, when the two step speed changing
lever is at the step 2, the speed will be based on the reference point of the step 2 (as
mark e in the fig. 2).
f. Switch the Hi-lo speed changing lever to the required position.
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