RE 521, RE 551 PLUS, RE 581, RE 581 PLUS
English
42
N Pull the snap-in cap of the crank 
handle (1) in the direction of the 
arrow until it locks into place
N Align the crank with the notches in 
the hose reel axle
N Press the crank handle onto the 
axle (2), and press the snap-in 
cap (1) until it locks
Unsuitable fuels can be dangerous.
The tank may only be filled when the 
heat exchanger is cold.
Fuel oil and diesel oil begin to congeal 
due to the separation of paraffin at 
temperatures near freezing point. This 
can cause problems when starting the 
burner.
To avoid such problems:
N Add anti-congealant to the fuel as 
directed by the manufacturer
Bio-diesel oil must comply with the 
DIN 51606 standard.
Organic bio-diesel oil may cause the 
burner to malfunction after prolonged 
storage, in the presence of extreme 
temperatures or if transported 
incorrectly.
N Open the cap (1)
N Fill with fuel oil grade EL or diesel oil 
as defined by DIN 51603. Organic 
bio-diesel oil to DIN 51606 may also 
be used.
Lock the machine in position Fill fuel tank