Bauer BG 25 - Rotary Drive Control; Kelly Application (Rotary Drive, Constant)

OPERATION
BG 25 / 2011 / 2254_BG25_en_0000498763_V01
5 - 12
5.6 ROTARY DRIVE CONTROL
5.6.1 Kelly Application (Rotary Drive, constant)
1 2 3 4 5
8 9 10 11 12
6
13
7
14
15 16 17 18 19
22 23 24 25 26
20
27
21
28
2
1
KDK
KDK
P
KDK
KDK
1
KDK
return flow
KDK
10
0
1
8
7
BK19065007.wmf
BK19065009.wmf
Function
Control
To select high torque
Press the button (17)
 To shift between high and low speed
Press the control lever (7) or button (22)
To select reduced torque + high speed
Press the button (15)
To select reduced torque + reduced speed
Press the button (16)
Change speed:
Move the control lever (10) away from or
back to centre
Turn the rotary drive counter-clockwise
Turn the rotary drive clockwise
Move control lever (10) to the right
Move control lever (10) to the left
To dump spoil
(abrupt stop during clockwise rotation)
Move the control lever (10) to the left and
press the button (8)
CAUTION
Risk of damage to the Kelly bar and/or the rotary drive!
Never dump soil, when an interlocking area of the outer Kelly is in the
Kelly driver of the rotary drive.
Should a locking area of the outer Kelly be in the Kelly driver, the rotary
drive must be moved in relation to the Kelly bar before dumping the soil.
NOTE
To select high speed, the indicator (23) lights up.