TM 5-3805-280-10
Operational Checkout
PILOT CONTROLLER
YES: Go to next test.
PATTERN CHECK (JOHN
DEERE PATTERN)
NO: Install decals for
pattern (operator
preference). Go to your
authorized dealer.
T102197 UN19JUL96
Left Control Lever
T102198 UN19JUL96
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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YES: Go to next check.
(DYNAMIC) SWING
CAUTION: Make sure area is clear and large
BRAKE CHECK
enough to swing extended bucket. Machine
NO: Go to your
must be on level ground.
authorized dealer.
Position upperstructure with boom in front.
Put boom, arm and bucket in fully extended position with
bucket 900 mm (3 ft) above ground level.
T6479AY UN19OCT88
Operate engine at fast idle.
Actuate swing control valve to full stroke. Swing around
90 degrees and release lever.
Does upperstructure stop within 45 degrees (1/8 turn)
after releasing lever?
Repeat procedure in opposite direction.
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