Longer periods out of service
Maintenance manual 3 112 246 en 9 - 1
GMK 6300
31.05.2011
9 Longer periods out of service
Carry out the following work if the truck crane is to be out of operation for a
long period (months):
Before the truck
crane is put out of
service
• Clean the truck crane thoroughly inside and outside.
• Remove rust and touch up the paintwork.
• Parts which are not painted must be lubricated with an acid-free grease or
oil.
• If more than half of the oil change interval has passed:
• Change the oil according to the maintenance plans M 3 to Y 2.
• Seal all air filters.
• Increase the tyre pressure by 10% and mark the tyre positioning, or
support the truck crane and let it stand with support.
When the truck
crane is out of
service
• Check the levels in the fuel tanks. Always keep the tanks filled.
• Check the batteries every week and recharge them if necessary.
• Check tyre pressure every week and inflate the tyres if necessary.
• Perform a full functional check of the truck crane every two weeks
(open all air filters before you do this!).
Run the hydraulic systems up to a fluid temperature of approx. 50 °C and
check all functions of the carrier and superstructure hydraulic systems.
• Ensure that the tyre positioning is different each time the crane is parked
(without outriggers).
• Seal all air filters again.
If the truck crane is out of service for more than 12 months:
• Carry out all maintenance work in accordance with maintenance plan M12.
Before putting the
truck crane back
into operation
• Open all air filters.
• Inflate the tyres up to the prescribed pressure.
• Carry out periodic maintenance work in accordance with the maintenance
plans in Chapter
Maintenance overview, p. 5 - 1.
63009129
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