In many cases the air out let also serves to duct the ex haust pipes. The ef fec tive out let sec t ion for
the cool ing air should be 6 dm2 con fig u ra tion. Un der no cir cum stances must there be ev i dence of
ram-air pres sure when the air craft is at a greater an gle of in ci dence, e.g. in a climb.
The valid edi tion of the Tech ni cal Bul le tin 44 gives use ful in struc tions for the de sign of the cool -
ing-air out let.
Make sure that the out let is not blocked, e. g. by the muf fler.
10.3 Engine Breather
LIMBACH en gines are wet sump forced lu bri cated. There fore it is nec es sary to as sure a proper
crank case breath ing. Never give pres sure air to the crank case breather line. Be sure that ic ing is
im pos si ble. For more in for ma tion see Op er ating and Main te nance Man ual of the en gine.
Warn ing: A blocked breather line will cause oil leak ages to the en gine!
10
Prepared by: J. B. Meyer Replaces edition from: 10.03.86 Page: 10-2
Checked by: Edition: 01.03.1999 Reg. Number:
Installation Manual
L 1700, L2000 and L 2400 Series
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