SETUP & OPERATION
Hydraulic Control Operation
SETUP & OPERATION
25doc092506
2-13
2
See Figure 2-9.
A/DH3 Hydraulic units have six control levers to load, clamp, turn and
level logs. A/DH5 and A/DH7 hydraulic units have four additional levers for controlling the
Pull-Down clamps. In sawmills equipped with A/DH5 hydraulic system, individual
Pull-Down clamps are controlled with separate levers. In sawmills with A/DH7 hydraulic
system, in/out movement of individual clamps is controlled with the same lever and
up/down movement of individual clamps is controlled with separate levers. A/DH5 and
A/DH7 hydraulic control boxes are equipped with an oil flow control valve
FIG. 2-9
09479
5
F
R
O
N
T
AC0004B
Oil Flow
Control Valve
(AH5/AH7)
Clamp In/Out
Clamp Up/Down
Turner
Front Toeboard
Rear Toeboard
Loader
