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with impaired ventilation capacity as a result.
1. Cut off the straps.
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Figure 12.
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6.9.2 Checking fan function and connection (8.2)
If the fan does not work, the ventilation process can be put out
of operation. Check the fan and clean, if needed. Any leakage
can lead to impaired performance. Leaking connections must be
sealed/tightened. See item 10.1 for further instructions.
6.9.3 Checking check valve function (8.3)
The check valves perform an important function in the ventilation
process. Clean the contact surfaces and replace broken parts as
needed.
6.9.4 Checking hoses to the ventilator (8.4)
Cracked or leaking hoses and connections can result in impaired
ventilation capacity or leakage. Replace damaged hoses or tighten
connections as needed.