54
EN
M1.1.HB250CF.NLFREN - 05012018
8�3 Electrical operation instructions
Lift raising:
• Press UP button SB1, motor drives the gear pump work, cylinder piston drives the platform move up, the carriage is raised.
• Loosen SB1, the cylinder stop working and carriage stop rising.
Lift lowering:
•
Press DOWN button SB2, oil pump work and carriage rise at first, time relay electrified, the mechanical lock and decline
solenoid valve open 2~3 seconds later, then the carriage is lowering.
• Loosen SB2, the mechanical lock and decline solenoid valve are shut off, the carriage stop lowering.
Lift locking:
• Press LOCK button SB3, the carriage is lowering, when safety claw fall over to hole of safety rack, the carriage stop
lowering and locked.
9 Maintenance
Skilled personnel only is allowed to perform the operations�
Daily checking items:
• Always wipe clean, keep the machine clean.
• Clear ground oil, keep the working condition clean.
•
Check the integrity of each safety devices, ensure the motion is flexible and reliable.
• Check the reliability of limit switch motion.
• Check whether oil/air leakage of the machine exist.
Weekly checking items:
• All bearings and hinges on this machine must be lubricated once a week by using an oiler
• Check the working conditions of safety parts.
• Check the amount of oil left in the oil tank. Oil is enough if the carriage can be raised to highest position. Otherwise, oil is
insufficient.
• Check whether the expansion bolts well anchored.
Monthly checking items:
• The safety gear, the upper and lower sliding blocks and other movable parts must be lubricated one month.
• Check whether the foundation bolts well anchored.
• Check the abrasion and leakage of oil/air hose.
Yearly checking items:
• The hydraulic oil must be replaced one time each year. The oil level should always be kept at upper limit position.
• Check abrasion and damage of all the active parts.
• Check the lubrication of roller. Lubricate it if drag phenomenon exist.
The machine should be lower to the lowest position when replace hydraulic oil, then let the old oil
out, and should be filtering the hydraulic oil.
• Each team checks the agility and reliability of pneumatic safety equipment.
Storage after use:
When the machine does not use for a long time:
• Cut off the power supply and air source.
• Lubricate all the active parts.
• Drain the hydraulic oil of oil cylinder, oil hose and oil tank.
• Sheathe the machine with dust-proof cover.
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