6 - ORDINARY MAINTENANCE
6 - 2
INTRODUCTION
In this chapter you will find all the ordinary maintenance operations to be executed both during the running in period and
periodically.
Moreover, you can find all information concerning type of fuel, greases and oils to be used on your machine in order to assure
the highest reliability, efficiency and duration.
SAFETY INFORMATION AND GENERAL RULES
In order to ensure that the machine is used in maximum safety, reliability and efficiency conditions, it is key to regularly carry
out all ordinary maintenance operations following closely the instructions provided by the present operator manual.
Do not use the machine unless all maintenance operations and any necessary repair work have been executed.
Should the operator notice that the machine does not operate as it should or it does not meet all safety requirements, the
anomaly shall be immediately communicated to the person in charge.
Before carrying out any work on the machine, the engine must be stopped, the direction selector must be brought to its central
position and the gear selector must be in neutral gear.
It is strictly forbidden and highly dangerous to modify any machine component by changing its original structure. it is further
forbidden to change the hydraulic and electric setup or modify the safety systems. Otherwise, Merlo S.p.a shall be waived of
any liability and guarantee claim.
WARNING!! Maintenance must be performed by skilled and competent personnel. For any work on parts which
fall outside the scope of ordinary maintenance operations - as defined by the present operator manual - contact the
Merlo Technical Support Service.
ENVIRONMENTAL INFORMATION
WARNING! Always comply with the environmental laws of the country where the machine is used.
It is strictly forbidden to unload or discharge oils, filters or any other source of environmental pollution. Pay particular
attention to the safe disposal of such materials which are dangerous for people and the environment – in such cases,
contact the responsible organisations.
All appropriate personal protection devices must be worn when handling lubricants (gloves, masks, overalls, etc.).
In order to avoid personal burns or fires, do not work on heated fluids or components.
INFORMATION ON ORIGINAL MERLO SPARE PARTS
WARNING! Maintenance operations on Merlo machines must be carried out using original and approved spare
parts only. If non original spare parts are used, Merlo shall be waived of any liability and all machine guarantee terms
shall be deemed void.
MAINTENANCE INFORMATION
In the event of machine failure, the operator shall switch off the diesel engine as soon as possible, remove the ignition key, exit
the machine and check the extent of the problem. Please note that maintenance operations shall be carried out by skilled and
trained personnel with the machine idle.
It is also necessary that all maintenance operations are carried out indoors by a properly equipped workshop.
Before starting any maintenance operation, please make sure that the following conditions are met:
- never carry out maintenance operations you are not familiar with. Always follow the instructions provided in the Operator's
Manual and, if necessary, contact the Merlo Technical Assistance service
- place the machine on flat and compact ground, having a maximum slope of 3%.
- lower and fully retract the telescopic boom of your machine
- remove any loads or attachments fitted on the machine and place them on the ground.
- shift both the gearbox selector switch and the operating mode selector switch to the neutral position.
- switch off the diesel engine and take the ignition key out of the instrument panel.
- with the engine off, operate the control levers to relieve any residual pressure from the oil circuit.
- place wedges under both front and rear wheels of the machine to prevent accidental movements.
- always use personal protective equipment
- take all the necessary accident prevention measures for the kind of operation to be carried out.
- replace engine oil only when its temperature drops below 60°C.
- carry out all maintenance operations at least 4 hours after switching off the engine, so that any contact with hot machine
parts can be avoided.
- when using compressed air for cleaning and blowing operations, make sure that the maximum pressure is 2 bar. Always
wear protection goggles when using compressed air.
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