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1.
Before using the crane, it is necessary to purge air from the valve system of the
hydraulic unit.
2.
This can be done by releasing the valve ,then pumping the hydraulic jack several
times.
3.
Close the valve, the crane is now ready to be used. Swival the hydraulic unit into
a suitable operating posit ion.
4.
Raising the load, close the valve and pump the hydraulic unit. Any manipulation
of the pressure relief valve is prohibited.
5.
Lowering the load, release the valve slowly, the load can be lowered smoothly.
Quick-releasing is strictly prohibited.
1.
Lubricate all moving parts at regular intervals.
2.
Always keep the crane clean and protected from aggressive conditions.
3.
Check the oil level of the hydraulic unit with the piston fully retracted. Top up if
necessary.
IMPORTANT : An excess of oil will render the crane inoperative.
4.
Use only hydraulic oil, HL or HM types, with an ISO grade of cinematic viscosity of
30 cSt at 40ºC or an Engler viscosity of 3 at 50ºC.
VERY IMPORTANT : never use brake fluid.
5.
When ordering spare parts, please state the part number as shown in the exploded
view drawing provided, the model number and the capacity of the crane.
Both maintenance and repair must only be carried out by qualified personnel.
3. Use and operation
4. Maintenance
5. REPAIR
4
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