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1 — SAFETY
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1-4 MAINTENANCE SAFETY
Ensure the following safety precautions are observed whenever maintenance is per-
formed on the XLB-4319 Hydraulic Boom Lift.
General Maintenance
• ALWAYS perform maintenance procedures according to manufacturer's re-
quirements. NEVER short change maintenance procedures.
• ALWAYS check hydraulic system. Make sure all lines, connectors, and fittings
are tight and in good condition.
• ALWAYS turn the key switch off before connecting or disconnecting wiring to
or from valve solenoids or other load devices.
• ALWAYS disconnect power to the hydraulic pump drive motor before making
electrical checks of the hydraulic valves.
• ALWAYS keep all mechanisms properly adjusted and lubricated according to
maintenance schedule and manufacturer’s specifications.
• ALWAYS perform a function check of operating controls before each use and
after repairs have been made.
• ALWAYS locate and protect against possible pinch points prior to performing
maintenance and repairs.
• ALWAYS use factory-approved parts to repair or maintain this equipment. If
this equipment is rebuilt, retesting is required in accordance with factory
instructions.
• NEVER allow water or foreign particles into the DC electric motor housing. In-
gestion of water or foreign particles may cause serious damage to the motor. If
the motor gets wet, oven dry the motor to remove all moisture before operating;
consult motor manufacturer for drying instructions.
• NEVER test or operate the hydraulic components when another person is near
the equipment.
• NEVER add unauthorized fluids to the hydraulic system or battery. Check origi-
nal manufacturer specifications.
• NEVER exceed the manufacturer's recommended relief valve settings.
• NEVER touch or allow metal tools to contact static discharge sensitive elec-
tronic components. ALWAYS use static discharge prevention mats and ground-
ing devices when handling electronic components.
• NEVER tamper with cylinder counter balance valves. Contact the Bil-Jax Ser-
vice Department at 800-537-0540 if the cylinder counter balance valves need
adjusting.
• NEVER attempt repairs you do not understand. Consult manufacturer if you
have any questions regarding proper maintenance, specifications, or repair.