SHB 28Z3 EN – Edition 2.0 * 28z3s314.fm 3-65
Maintenance
3.25 Preparatory work before taking out of service
The measures indicated below refer to putting the machine out of operation for 30 days or
longer.
• Park the machine
– see Parking the machine on page 3-52.
• Check whether oil or other fluids leak from the machine.
• Clean the engine with a high-pressure cleaner in a suitable place
– see General maintenance work on page 3-63.
• Carefully clean and dry the entire machine.
• Spray an anticorrosion agent onto bare metal parts of the machine (e.g. piston rods of
hydraulic rams).
• Apply grease to all lubrication points.
• Change engine oil.
• Check and if necessary fill up engine oil, hydraulic oil and coolant
• Store the machine indoors if possible.
• If the machine is stored outdoors, place it on a wooden base and cover it with a watertight
tarpaulin to protect it against humidity.
• Fill up the fuel tank to the maximum level.
• Remove the earthing strap from the battery, or remove the battery and store it in a safe
place. Charge the battery and carry out battery maintenance at regular intervals.
• Switch off the fuel filter on the upper carriage and the fuel filter on the engine (turn to
OFF).
• Close the exhaust pipe and the air intake opening of the air filter system.
3.26 Maintenance if the machine is out of service for a longer period of time
The following measures must be taken if the machine is out of service for more than 30 days.
Putting into operation again
• Remove anticorrosion agent from the piston rods.
• Charge, install and connect the battery.
• Remove the seals from the exhaust pipe and the air filter intake.
• Check the condition of the air filter element and replace the element if necessary.
• Check the dust valve.
• Switch on the fuel filters on the upper carriage and the engine (turn to ON).
• Turn the ignition to position 1 for 2 minutes (to supply the engine with fuel).
• Check whether oil or other fluids leak from the machine.
• Lubricate the machine according to the lubrication plan.
• Check and if necessary fill up engine oil, hydraulic oil, coolant and fuel in the units and
tanks
• If the machine was out of service for over 6 months, change the oil in the gearbox,
engine, etc. and the hydraulic oil tank.
• Also replace hydraulic oil filters (return and breather filters) if the machine has been out
of service for over 6 months.
• Remove the ignition key, remove fuse F2 on the right-hand cover.
• Let the engine run 15 seconds.
• Wait 15 seconds.
• Let the engine run 15 seconds again.
• Remove the ignition key, put fuse F2 back in.
• Start the diesel engine.
• Let the engine run at idling speed at least 15 minutes without load.
• Check the oil levels in all units and fill up oil if necessary.
Start the machine and ensure that each function and all warnings work correctly before
putting the machine back into operation.
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