OPERATION
1-2
Page 11
ML50-20 MAINTENANCE LIFT
TESCO EQUIPMENT LLC
(7) Once onboard the platform, secure the platform’s entryway and locate the upper pendant
control station (ref. Figure 1).
(8) Raise the platform by pushing both Up, Up buttons together. Refer to Figure 5.
WARNING
THE HI-LIFT UNIT AND COMPONENTS ARE NOT INSULATED AGAINST ELECTRICAL SHOCK.
ENSURE PROPER CLEARANCE AROUND THE BODY/PLATFORM AND HI-LIFT STRUCTURE.
FAILURE TO HEED WARNINGS MAY RESULT IN SERIOUS INJURY OR DEATH TO OPERATOR
AND/OR CREW.
WARNING
DO NOT OVERLOAD HI-LIFT UNIT, DO NOT EXCEED THE RATED CAPACITY. SERIOUS
DAMAGE TO THE HI-LIFT WILL RESULT, WITH POSSIBLE INJURY TO OPERATORS.
CAUTION
MAINTAIN A SPACE OF AT LEAST 12 IN (304 MM) BETWEEN THE AIRCRAFT AND WORK
PLATFORM. DO NOT
MAKE CONTACT WITH ANY PART OF THE AIRCRAFT.
NOTE: In the event of an emergency, depress the red mushroom head control marked
EMERGENCY STOP. This cuts power to all control switches and stop the engine. To reset
the EMERGENCY STOP, rotate the red mushroom head control clockwise until it releases.
(9) Once the platform is at desired height, the vehicle's engine may be turned off. Rotate the
ENGINE OFF-ON-START switch to the OFF position. Refer to Figure 4
Normal Operation Sequence to Lower Unit
(10) Ensure all personnel are away from under the platform before proceeding.
(11) If the engine has been turned off, rotating the engine switch to the START position will
restart the chassis engine.
(12) From the upper control station push the DOWN button, and lower the unit until it is in its full
resting position.
CAUTION
THE HI-LIFT MUST BE PROPERLY STOWED BEFORE ATTEMPTING TO DRIVE THE VEHICLE.
INDICATOR LIGHTS WILL BE LIT IF THE HI-LIFT IS NOT IN THE STOWED POSITION. SERIOUS
DAMAGE CAN OCCUR IF THE VEHICLE IS MOVED WITHOUT PROPERLY STOWING THE HI-
LIFT.
D. Returning Vehicle to Normal Driving Condition
(1) Ensure the Hi-Lift is fully lowered, and all stabilizers are fully retracted.
NOTE: Stabilize the engine by allowing it to idle before retracting the stabilizers.
May 08
Property of American Airlines
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