Wacker Neuson 803 - Preparatory Work before Taking out of Service; Maintenance if the Machine Is out of Service for a Longer Period of Time; Putting into Operation Again

3-56 SHB 803 en – Edition 2.4 * 803s314.fm
Maintenance
3.21 Preparatory work before taking out of service
The measures indicated below refer to putting the machine out of operation for 30 days or
longer.
• See chapter 2 “Safety instructions for maintenance” in the Operator’s Manual
• If the machine is stored outdoors, place it on a wooden base and cover it with a water-
tight 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 – see Cleaning with a high-pressure cleaner or steam jet
on page 3-54
• 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 the engine oil
• Check all oil levels in the 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
3.22 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
• Refuel
• Switch on the fuel prefilter on the upper carriage and the fuel filter on the engine (turn to
ON).
• Turn the starter to position 1 for 2 minutes (to supply the engine with fuel)
• If the machine was out of service for over 6 months, change the oil in the gearbox,
engine, etc. and the hydraulic oil reservoir
• Check the engine oil
• Also replace hydraulic oil filters (return and breather filters) if the machine has been out
of service for over 6 months
• Lubricate the machine according to the lubrication plan
• Check the levels
• Check the coolant, change as required
• Remove the starting key, remove fuse F2 on the right-hand cover
• Let the engine run 15 seconds
• Wait 15 seconds
• Let the engine run 1 minute again