Operating instructions

Note: Do not pull out the overheating (17) and temperature
sensor (18) from the holder by pulling on the connec-
tion cable, always use pliers to remove them.
Note: The O-ring (2) must always be renewed.
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Remove overheating sensor and temperature sensor
Figure 3 – 5
• Remove the (15) M4 x 12 screws of the compressive springs
(16) and use pliers to pull off the overheating (17) and
temperature sensor (18).
Figure 1 and 2
•
Clamp the removed heater in a retaining device (vice).
• Using 2 screwdrivers, always undo 2 snap connections
of the impeller cover at a time, starting at the control
box/blower unit. Keep to the order shown in the figure
(1.– 8.)
• Remove cover.
• Remove O-ring (2).
Preparatory work for all repairs