It is the responsibility of the operator to read, completely understand and follow all instructions and warnings
contained in this operating manual and on the aerial platform.
FAMILIARIZATION
• Test Positive Air Shutoff (If Equipped)
CAUTION
This function test should NOT be
performed while the engine is running.
1. Open engine compartment cover.
2. On the base control console, lift switch
guard and push rocker switch to “on”
position.
3. Push rocker switch to “off” position. LED
light should continuously illuminate. Walk
back to the engine compartment side of the
aerial platform.
Result: The shutoff valve should disengage
after 20 seconds (refer to shutoff valve
diagrams).
4. Close engine compartment cover. Ensure
switch is returned to “off” position and
switch guard is down.
Base Control Console
Shutoff Valve
Engaged
Shutoff Valve
Disengaged
Positive Air Shutoff Option
Positive Air Shutoff
Switch
Engine Compartment Side
SJ 40T & SJ 45T
SJ 61T & SJ 66T
Page 33
Section 2 - Familiarization Function Tests