OPERATOR'S MANUAL

EXCAVATOR OPERATION34
TWO PATTERN SELECTION SYSTEM
(TPSS)
To avoid personal injury or death:
A Study control lever pattern A and pattern B.
Then choose the one which is most familiar.
A Position the pattern selector lever (located on
the right side of operator's seat) in either the
lower position (Pattern A) or the upper position
(Pattern B).
A Engage the lever lock to prevent accidental
pattern change.
A Familiarize yourself with the pattern selected
by operating slowly.
BPattern Change
Position the pattern selector lever to the desired
position.
(1) Pattern selector lever
(Two Pattern Selection System:TPSS)
(A) "Pattern A"
(B) "Pattern B"
Lever
Position
Attachment
Control Lever
(Left)
Attachment
Control Lever
(Right)
Pattern A
A
B
C
D
Boom down
Boom up
Swing left
Swing right
Arm out (up)
Arm in (crowd)
Bucket crowd
Bucket dump
Pattern B
A
B
C
D
Arm out (up)
Arm in (crowd)
Swing left
Swing right
Boom down
Boom up
Bucket crowd
Bucket dump