Sawmill Operation
Hydraulic Control Operation
4
4-1 60HDdoc102619 Sawmill Operation
SECTION 4 SAWMILL OPERATION
4.1 Hydraulic Control Operation
The hydraulic control levers become operational when the contacts at the bottom of the saw head
touch the power strip on the frame tube. The hydraulic control levers will only work when the saw
head is close enough to the front end of the sawmill to touch the power strip.
See Figure 4-1. The sawmills with the A/DH3 hydraulic system are equipped with six hydraulic
control levers for loading, clamping, turning and levelling logs. The A/DH5 and A/DH7 hydraulic
systems are controlled with four additional control levers that allows positioning the Pull Down
clamps. On the A/DH5 hydraulic system each clamp cylinder is controlled with a separate lever. On
the A/DH7 hydraulic system in/out movement of all clamps is controlled with one lever, and up/down
movement of each clamp is controlled with a separate lever.
FIG. 4-1
Main Clamp
In/Out
Main Clamp
Up/Down
Log Turner
Front Toe Board
Rear Toe Board
Log Loader
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