Tesco ML50-20, Maintenance Manual

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HYDRAULIC SYSTEM ADJUSTMENTS
2-2
Page 1
ML50-20 MAINTENANCE LIFT
TESCO EQUIPMENT LLC
Section 2: Hydraulic System Adjustments
WARNING
BEFORE STARTING ANY ADJUSTMENT PROCEDURE THAT REQUIRES THE PLATFORM TO
BE IN AN ELEVATED POSITION, MOVE THE MAINTENANCE STAND INTO POSITION AND
LOWER THE PLATFORM FULLY AGAINST THE MAINTENANCE PROP.
WARNING
IT IS MANDATORY THAT EYE PROTECTION (SAFETY GOGGLES OR FACE SHIELD) BE WORN
WHEN MAKING PRESSURE CHECKS AND/OR ADJUSTMENTS ON THE HYDRAULIC SYSTEM.
HYDRAULIC OIL WILL CAUSE EYE INJURIES. IF HYDRAULIC OIL GETS ON THE SKIN, WASH
AFFECTED AREA IMMEDIATELY TO AVOID IRRITATION.
WARNING
DRIVE WHEELS MUST BE CHOCKED TO PREVENT MOVEMENT OF THE UNIT IN EITHER
DIRECTION.
WARNING
WHEN MAKING PRESSURE CHECKS OR ADJUSTMENTS, USE GAUGES WITH KNOWN
ACCURACY. IMPROPER HYDRAULIC ADJUSTMENTS CAN CAUSE INJURY TO PERSONNEL
OR DAMAGE TO EQUIPMENT.
WARNING
DO NOT REMOVE GAUGE PORT PLUGS OR GAUGES, OR LOOSEN HYDRAULIC
CONNECTIONS WITH THE UNIT RUNNING. HYDRAULIC PRESSURE IN THE SYSTEMS COULD
CAUSE HYDRAULIC OIL TO SPRAY ON PERSONNEL.
CAUTION
USE EXTREME CARE TO PREVENT CONTAMINATION OF HYDRAULIC SYSTEM WHEN
INSTALLING GAUGES, FITTINGS, OR REPLACING A COMPONENT. CONTAMINATION CAN
RESULT IN EQUIPMENT DAMAGE.
CAUTION
WHENEVER AN ADJUSTABLE HYDRAULIC RELIEF VALVE OR PRESSURE REDUCING VALVE
IS REPLACED, REDUCE THE PRESSURE SETTING PRIOR TO STARTING THE UNIT. ADJUST
THE REPLACED COMPONENT TO SPECIFICATION AS OUTLINED IN THE ADJUSTMENT
PROCEDURES.
May 08
Property of American Airlines