ROTHENBERGER ROWELD P250-630B Plus Premium - Manual (Page 29)

ENGLISH 27
Use the adjustment knob to set the pressure for cutting, aligning, heating
and joining.The value is shown in the „Pressure“ display. Three seconds
after the settings are made, the current value is shown. Pressing the rotary
knob displays and allows changes to be made to the service parameters.
To bring the clamping elements together, press the release button and „close“ the
machine.
Pressure release button
To separate the clamping elements, press the release button and „open“ the
machine.
Press the release button and the cutting button to turn on the cutting unit socket.
Pressure is automatically set to 10 bar and can be increased to a maximum of 20 bar
using the adjusting knob. (In special situations, such as on slopes, the pressure can
be set to a maximum of 50 bar by changing P004.)
Activate the timer by pressing it once. By pressing the button and turning
the adjusting knob, the t1 time can be set in seconds. Pressing the button
longer switches over to t4. By pressing the button and turning the adju-
sting knob, the t4 time can be set in minutes. The timer is started manu-
ally by shortly pressing on the timer key if the timer indicator lights up
with t1 or t2.
Pressing the Automatic button allows the set pressure to be monitored and
regulated, if necessary, during warming up (timer t1 active) and the joining process
(timer t4 active).
Release button for actuating the service parameter
3.2 Operating instructions
In accordance with national or EU ordinances and guidelines, e. g. DVS 2212,
Section I, only duly qualified and authorised personnel are allowed to operate the
ROWELD welding machines!
Only trained and authorised welders are allowed to operate the machine!
3.2.1 Putting into operation
Please read through the operating instructions and safety instructions attentively
before you put the butt fusion welding machine into operation!
Do not use the heating element in explosive environments or bring it into contact
with easily flammable materials.
Stay a safe distance away from the machine. Do not stand or reach into the
machine. Keep other people away from the work area.
Before every start-up, check the oil level of the hydraulic unit. The oil level must
be between the min. and max. marking on dipstick in the oil filler cap (20). If
necessary, add HLP 46 hydraulic oil.
Transport and set the hydraulic unit only in a horizontal position. If it is set at an
angle, oil escapes from the vented plugs with the dipstick.