OM 803 us – Edition 3.7 * 803b530.fm
5-33
Maintenance
Threaded fittings and attachments
All threaded fittings must be checked regularly for tightness, even if they are not listed in
the maintenance schedules. This applies in particular to:
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Engine fastening screws
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Fastening screws on the hydraulic system
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Bucket teeth and pin fastenings on the attachment
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Rollbar fastening screws
Retighten loose connections immediately. Contact a Wacker Neuson service center if necessary.
Pivots and hinges
All mechanical pivot points on the machine (door hinges, joints, for example) and fittings
(door arresters, for example) must be lubricated regularly, even if they are not listed in the
lubrication plan.
5.13 Preparatory work before taking out of service
The measures indicated below refer to putting the machine out of operation for 30 days or longer.
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Safety instructions for maintenance
• Store the machine indoors if possible.
• If the machine is stored outdoors, place it on a wooden base and cover it with a watertight
tarp to protect it against humidity.
• Check whether oil or other fluids leak from the machine.
• Lower the boom and the stabilizer blade to the ground.
• Clean the engine with a high-pressure cleaner in a suitable place.
Observe the following chapter
Cleaning with a high-pressure cleaner
• Carefully clean and dry the entire machine.
• Spray an anticorrosion agent onto bare metal parts of the machine (piston rods of
hydraulic cylinders, for example).
• Apply grease to all lubrication points.
• Change engine oil.
• Check the oil levels in all units and add oil if necessary.
• Check the hydraulic oil level and if necessary, add oil.
• Fill up the fuel tank to the maximum level.
• Check the coolant, change as required.
• Remove the grounding strap from the battery, or remove the battery and store it in a
safe place. Charge the battery and perform battery maintenance at regular intervals.
• Close the exhaust pipe and the air intake opening of the air filter system.
