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The biggest problem that causes product failure is dirt. Keep it clean and well lubricated to prevent any foreign body
IMPORTANT:
from entering the hydraulic circuit. If you have been exposed to rain, snow and/or sand you must clean it before use.
1. Store in a well-protected area where it is not exposed to corrosive vapours, abrasive dust, or other harmful elements.
2. Lubricate moving parts regularly.
3. Change the oil at least once a year. To check the oil level, lower the moving part completely. Remove the rubber plug from the
hydraulic unit. The oil level should be below the hole in the plug. If necessary, add oil and close the plug.
IMPORTANT: The use of alcohol or brake fluid can damage the seals and cause the product to fail.
4. Check the product before each use. Take appropriate action if you see any of these occurrences:
a. Damaged hose
b. Damaged structure
5. Keep warning labels and instructions clean and legible. Clean outer parts with mild soap.
Repairs must be carried out in a clean environment by qualified personnel who, through their training and experience, are familiar
with the hydraulic systems used in these appliances.
CAUTION: In order to prevent possible accidents, all inspections, maintenance and repairs must be carried out
when it is not loaded, when it is not in operation.
PROBLEM
It does not lift the load.
Partially raises the load.
Load rises slowly.
Lifts the load but does not hold it.
Leak from hydraulic.
Does not descend.
Slow descent.
A
10030003001.08.Jul.20
PREVENTIVE MAINTENANCE
c. Oil leaks
d. Damaged pistons
TROUBLESHOOTING GUIDE
CAUSE
Discharge is open.
Low level or no oil.
Air in system.
Load is above product capacity.
Discharge valve and/or
overpressure valve not functioning
properly.
Too much or too little oil level.
Pump does not work properly.
Leaks from joints.
Hydraulic leaks.
The valves are not working
properly.
Air in system.
Damaged joints or rings.
Closed discharge.
Damaged hydraulic inside.
Return spring damaged.
Noise on moving parts.
B
C
Kg
OK
e. Loose components
f. Modified equipment
SOLUTION
Check that the discharge is closed.
Discharge needs to be cleaned.
Fill with oil and purge the circuit.
Purge the circuit.
The load to be lifted should never exceed the rated
capacity.
Clean to remove any internal dirt.
Replace hydraulic oil.
Check oil level.
Check pump vessels.
Replace joints.
Check joints.
Inspect valves. Replace if necessary.
Purge the circuit.
Replace joints or rings.
Open discharge. It will be necessary to clean the
discharge.
Send the article to an authorised repair
workshop.
Replace the discharge.
Lubricate moving parts.
D
E
Kg
NO
NO
EN
F
9
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