Doosan DL220, Operation And Maintenance Manual

Page: 90 / 250

OP001013 Operating Controls
2-28
1A. Pilot Control Valve Lever (Two/Three
Lever) (Optional)
Move left control lever forward (2, Figure 54) to dump
bucket, or rearward (4, Figure 54) to roll back bucket.
Move right control lever forward (3, Figure 54) to lower
boom or rearward (5, Figure 54) to raise boom.
Float (right lever in full forward detent position (1, Figure
54)): This position allows oil flow in and out both ends of
cylinders so the bucket can follow the contour of the
ground. Manually release lever from the position.
Return-to-Dig (left lever in full rearward detent position (6,
Figure 54)):Bucket will return to set dig position.
Boom Height Kick-out right lever in full rearward detent
position (7, Figure 54)): Lever will remain in this position
until boom is at a preset height, then will return to neutral
automatically.
A. Kick-down Switch (Two Places)
(See page 2-10)
B. Horn Switch (Two Places) / Log Fork Switch
(Optional)
• Horn switch function.
• Log fork switch function.
When the log forks control lever is pushed forward or
pulled back while this switch is pressed, the log forks
are allowed to open or closed. (See page 2-26)
1
2
3
5
4
7
6
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Figure 54
1. BOOM FLOAT
2. BUCKET DUMP
3. BOOM LOWER
4. BUCKET CROWD
5. BOOM RAISE
6. BUCKET RETURN TO DIG
7. BOOM HEIGHT KICK-OUT
Figure 55
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Figure 56
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