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© 2022 Dehaco B.V. • Operation and maintenance manual DSG Demolition and Sorting grabs • No. DSG.2165.0001 • 31-01-2022
Dehaco B.V. • Kruisbaak 25 • 2165 AJ Lisserbroek (NL) •
✆
+31 (0)252 - 41 79 50 •
[email protected] • www.dehaco.nl
5. Operation
5.4.4 High ambient temperature
◊
Only use hydraulic oils with sufficient viscosity.
In summer and in tropical climates, hydraulic oil type HLP 68
meets the minimum requirements.
5.4.5 Low ambient temperature
For ambient temperatures below -20 ºC
Before working with the demolition and sorting grab in ambient
temperatures below -20 ºC, ensure the excavator is sufficiently
warmed up.
Preferably, the excavator and the demolition and sorting grab
should be parked in a heated, covered area when not in use.
ATTENTION
- INSUFFICIENT HYDRAULIC OIL TEMPERATURE
Working with the demolition and sorting grab while the hydraulic
oil is still cold seals will damage the hydraulic component seals.
Do not use the demolition and sorting grab until
the oil temperature is at least 0 ºC.
◊
Start the excavator according to the instructions provided by
the excavator manufacturer.
◊
Allow the excavator warm up until the operating temperature
specified by the excavator manufacturer is reached.
◊
Raise the demolition and sorting grab using the arm of the
excavator until it hangs vertically.
◊
Close, open and rotate the demolition and sorting grab while
the excavator is warming up.
ATTENTION
- DAMAGE TO HYDRAULIC COMPONENTS
Hot hydraulic oil will damage a cold hydraulic demolition and
sorting grab.
Do not fill the hydraulic system with hot hydraulic oil.
The temperature of the hydraulic oil from the excavator must be
at least 0 C.
◊
Start the demolition and sorting grab when the temperature
reaches 0º C.
◊
Perform a function test and ensure all hydraulic lines and
connections are tight and that the demolition and sorting
grab operates smoothly.
◊
Allow the engine of the excavator and the pumps to remain
in operation, even during breaks.
5.5 Prohibited use
5.5.1 Zwevend transport
WARNING!
- RISK OF FALLING OBJECTS
Falling objects can cause serious injury.
Ø
Never operate the demolition and sorting grab above the
cabin, other persons or other machines.
5.5.2 Unsafe surface
WARNING!
- RISK OF TIPPING
The excavator can tip over and cause injury and damge.
Ø
Only operate the demolition and sorting grab when the
excavator is on a safe, stable surface.
5. Operation
5.5.3 Non-bearing, suspended ceilings
WARNING!
- RISK OF COLLAPSE
The excavator can crash down and cause injury and damage.
Ø
Only operate the demolition and sorting grab when the
excavator is on a load-bearing ceiling.
5.5.4 Working position
WARNING!
- FALLING DEBRIS
Large pieces of falling debris can cause injury and damage.
Ø
Never begin demolition works from the bottom or the
middle of a structure.
