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HYDRAULIC SYSTEM CHECKS
HYDRAULIC SYSTEM CHECKS - Continued

Operator Manual For Hydraulic Excavator Model 230Lcr And Model 230Lcrd With Rock Drill
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TM 5-3805-280-10
Operational Checkout
PILOT CONTROLLER
YES: Go to next test.
PATTERN CHECK (SAE
PATTERN)
NO: Install decals for
pattern (operator
preference). Go to your
T102070 UN16JUL96
authorized dealer.
Left Control Lever
T102071 UN16JUL96
Right Control Lever
Engine at slow idle.
Operate machine in clear area.
Move pilot shut-off lever to UNLOCKED position. Slowly move hydraulic levers to all
positions on decals.
Do bucket, boom, arm, and swing move as decals show?
NOTE: See John Deere control lever pattern in Operating the Machine chapter.
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