Lull 644E-42 Operation Manual - Manual (Page 82)

80 Model 644E Origin 3/04
Operation
Step 7
a. With the parking brake switch ON, move the travel select
lever to the (N) NEUTRAL DETENT position.
b. Lower the boom to exactly 45 .
c. Frame sway the vehicle no more than 5 to the left.
d. Frame sway the vehicle back to 0 .
e. Frame sway the vehicle no more than 5 to the right.
Note: Observe that frame sway will be slower than normal
during this test.
f. The Stabil-TRAKô lock light should remain ON and the
front left tire should remain off the ground. The front left
tire should not raise or lower during frame sway.
g. Frame sway back toward 0 , leaving the vehicle swayed
to the right approximately 1 to 2 .
Step 8
a. Depress the service brake pedal fully.
b. Disengage the parking brake switch.
c. With the range select lever in (1) FIRST gear, move the
travel select lever to the (R) REVERSE position.
d. Release the service brake pedal to deactivate the
Stabil-TRAKô system.
e. The Stabil-TRAKô lock light should go OFF and the
Stabil-TRAKô slow pivot light should come ON.
f. The front left tire should return to the ground while the
vehicle travels in reverse.
g. Depress the service brake pedal to stop the vehicle.
Stabil-TRAK System Test Procedures
LOCKE
D MODE
SLO
W
PI
VOT
MO
D
E
LOCKED
MODE