57
SJ9233 RT, SJ9243 RT, SJ9253 RT, SJ9664 RT 221491AFA
Function tests Section 4 – Inspections Before Operation
5. Move the positive air shut-off switch
11
to the
on position to engage the shutoff valve
12
.
6. Move the positive air shut-off switch
11
to the
off position to disengage the shutoff valve
13
.
The light
14
continuously illuminates.
▪
Result: The shutoff valve disengages after 20
seconds.
7. Make sure the positive air shut-off switch
11
is
put back to the off position, and that the switch
guard is down. Push the engine compartment
cover until the latch locks into position.
11
14
12
13
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