Komatsu PC18MR-3, Operation & Maintenance Manual

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LONG PERIODS OF INACTIVITY
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3.6 LONG PERIODS OF INACTIVITY
3.6.1 BEFORE A PERIOD OF INACTIVITY
IMPORTANT
q
To protect the hydraulic cylinder rods while the machine is
not used, position the work equipment as shown in the
figure on the right.
(This prevents the cylinder rods from rusting).
q
Before removing the battery, stop the engine, wait at least
one minute, and afterwards turn the battery main switch to
OFF and extract the specific key.
If the machine is going to remain unused for a long period (more
than one month), proceed as indicated below.
q
Clean and wash all the machine components, then store the
machine indoors. If the machine is going to be stored outdoors,
choose a level surface and cover the machine with a cloth.
q
Fill the fuel tank completely, to prevent the accumulation of condensate.
q
Lubricate where necessary and change the oil.
q
Coat the exposed portion of the hydraulic cylinder piston rod with grease.
q
After shutting off the engine, wait over one minute, then turn the battery disconnect switch to the OFF position
and take out the battery disconnect switch key. Put a cover on the battery during storage.
q
Lock all the control levers and pedals with the safety lever and the pedal locking device.
q
If the machine has accessories, set the selection valve to the 'Crusher or other accessories' position.
3.6.2 DURING A PERIOD OF INACTIVITY
WARNING
q
If it is necessary to carry out a rust-prevention treatment while the machine is kept indoors, open doors
and windows to increase ventilation and avoid poisoning by gas.
When the machine is not used, start the machine once a month following the steps below.
q
Recharge the battery and install it on the machine.
q
Insert the key into the battery main switch and turn it to ON.
q
Start the engine and make some movements with the working tools so as to cover the moving parts and all the
component surfaces with a new oil layer.
q
When operating the work equipment, remove all the grease from the hydraulic cylinder rods.