Cleaning
09.03.2018
Maintenance manual 3 302 744 en 3 - 1
GMK5250L
3 Cleaning
During the first
3 months
The paintwork on the truck crane will continue to harden for the first three
months.
• During this period the crane may be cleaned only with cold water.
• Do not use high-pressure or steam jet cleaning equipment during this
period.
After the first
3 months
• Avoid water temperatures above 60 °C (140 °F), even after this period.
• Do not use corrosive cleaning agents that might damage the paint.
• Never hold the spray nozzle of your cleaning unit at right angles to the sur-
face you are cleaning, and ensure that it is at a sufficient distance away
from the surfaces to be cleaned.
• To prevent damage to the gaskets, never point the spray nozzle directly at
them.
• Never point the spray nozzle at electrical equipment, relay and switch
boxes, suction and ventilation filters or control elements and lubricated
surfaces.
• To prevent corrosion, relubricate all slide faces after cleaning.
• Keep all electric and hydraulic connections free of dirt. Check the connect-
ing points for dust, foreign bodies and moisture before installation. This
also applies to protective caps and bridging plugs.
The components specified in the next section are particularly at risk.
• After cleaning with high-pressure or a steam jet equipment, activate inter-
mediate lubrication on the central lubrication system (
à Triggering inter-
mediate lubrication
, p. 7 - 121). Lubricate all remaining lubricating points
using a grease gun.
G
Risk of accidents from a misdirected high pressure water jet.
When working with high-pressure and steam-jet cleaners, the water jet will
be deflected by crane parts and could spray into your face and eyes at high
speed and great pressure.
Always wear a face guard when cleaning the truck crane with high-pressure
and steam-jet cleaning equipment.
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