BENDIX AD-9si User Manual

7
Compressor
Desiccant
Bed
Delivery
Check
Valve
Purge
Valve
Turbo
Cut-Off
Valve
(Closed)
Control
Port
Supply
Port
Front
Reservoir
Safety
Valve
Rear
Reservoir
Purge
Orice
Oil
Coalescing
Filter
Control
Line
Purge Air
Extended
Purge
Port
Exhaust
Delivery
Port
Figure 5 – Bendix
®
AD-9si
®
Air Dryer without a Governor — Purge Cycle
TURBO CUT-OFF FEATURE
(Refer to Figures 3 & 5)
The primary function of the turbo cut-off valve is to prevent
loss of engine turbocharger air pressure through the
Bendix
®
AD-9si
®
air dryer when the dryer is in the purge
mode.
At the onset of the purge cycle, the downward travel of the
purge piston is stopped when the turbo cut-off valve (the
tapered portion of the purge piston) contacts its mating
metal seat in the purge valve housing. With the turbo
cut-off valve seated (in the closed position), air in the
compressor discharge line – as well as the AD-9si air dryer
inlet port – cannot enter the air dryer. By completing these
actions, the turbo cut-off effectively maintains turbocharger
boost pressure to the engine.

BENDIX AD-9si Specifications

General

Brand	BENDIX
Model	AD-9si
Category	Dehumidifier
Language	English