
OPTIMUM
M A S C H I N E N - G E R M A N Y
Version 1.2.5 dated 2017-03-10
Page 39
Original operating instructions
DH26GTV | DH28GSV
GB
4.8.1
Gear selector switch - DH26GTV
ǀ
DH28GSV
The speed is selected by means of the gear selector switches.
Img. 4-4: Gear selector switch
4.8.2 Speed table - DH26GTV | DH28GSV
Img. 4-5: Speed table DH26GTV | DH28GSV
INFORMATION
Observe the speed table on the drilling head when selecting the range of speed.
ATTENTION!
Wait until the drilling spindle has come to a complete halt before changing the speed
with the gear selector switch.
A change of the gear ratio during operation can lead to the destruction of the gearbox.
Speed table
Gear selector switch
Rotation direction
push button