SJ45 AJ+, SJ60 AJ+ 238264AAA
53
Function tests Section 4 – Inspections Before Operation
4.3-7 Do a test of the positive air shut-off
switch (optional equipment)
CAUTION
Do not do this function test while the engine is on.
1. Open the engine compartment cowling.
2. On the engine control console, lift the switch
guard for the positive air shut-off switch
6
.
3. Move the positive air shut-off switch to the on
position to engage the shut-off valve
8
.
4. Move the positive air shut-off switch to the off
position to disengage the shut-off valve
9
. The
light
7
continuously illuminates.
▪
Result: The shut-off valve disengages after 20
seconds.
5. Make sure the positive air shut-off switch is
put back to the off position, and that the switch
guard is down. Close the engine compartment
cowling.
9
86 7
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