UT
Handbook for Use and Maitenance – 50000 WB-80-87-95
Edition
01/11
Revisione
00
40
50000WB_e111_E.doc
•
Check the screws securing the boom sliding shoes for wear. Replace them if the
downward boom arrow is clearly evident without load or the thikness is less the
80% of the origin.
•
Check the hydraulic oil for pollution and general efficiency (see also point 3.3.6).
•
Check the torque of the tie rod securing the crane base to the chassis and the bolts
securing the thrust bearing.
3.3.5 - EVERY 1000 HOURS OF OPERATION
•
Replace the oil filter cartridge.
•
Check all the welded parts, bearing structures and parts undergoing wear and tear.
3.3.6 - EVERY 2000 HOURS OF OPERATION
•
Change the hydraulic oil and clean the tank.
(The oil must be changed at
yearly intervals even if this is before 2000 hours of operation).
IF THE OIL IS NOT CHANGED AT THE SET INTERVALS, THIS MAY CAUSE
DAMAGE TO THE SYSTEM AND SERIOUSLY AFFECT OPERATION OF THE
SAFETY VALVES.
N.B. The type of oil used is marked on a label on the tank. Replace the label when
using a different type of oil.
•
Clean the filters 15 hours after every oil change.
Do not disposed of used oil in the environment. It must be disposed
of in compliance with the local disposal regulations.
Oil containers show all the data concerning product toxicity and the
precautions to adopt for use.
•
Replace the boom sliding shoes.
•
Replace the air filter on the tank.
3.4 - WHENEVER NECESSARY
•
Wash thoroughly with a low pressure water jet.
•
Replace any damaged pipes.
•
Repair any oil leaks.
•
Repeat the maintenance procedure specified above at shorter intervals depending
on how heavy the working conditions are and the level of local environmental
pollution, i.e. dust, tropical climate, etc..
INSTRUCTIONS FOR THE MAINTENANCE
