BENDIX AD-IP INTEGRAL PURGE AIR DRYER Manual page 15

FRAME RAIL
STAR WASHER
NUT
GROUND
LEAD
14 GAGE POWER WIRE
FROM VEHICLE
FIGURE 11 - WIRING - REMOTE POWER & LOCAL
GROUND
™
TESTING THE AD-IP
Before placing the vehicle in service, perform the following
tests.
1. Close all reservoir drain cocks.
2. Build up system pressure to governor cutout and note
that the AD-IP ™ air dryer purges with an audible escape
of air.
3. "Fan" the service brakes to reduce system air pressure
to governor cut-in. Note that the system once again builds
to full pressure and is followed by a purge at the AD-IP
air dryer exhaust.
4. It is recommended that the following items be tested for
leakage to assure that the AD-IP
excessively.
(A) Total air system leakage (See Bendix publication
BW5057 "Air Brake Handbook.")
(B) Compressor unloader mechanism.
(C) Governor.
(D) Drain cock and safety valve in first (supply) reservoir.
(E) All air connections leading to and from the first
(supply) reservoir.
(F) Delivery check valve.
1/4" or 3/8"
EYELET
WEATHERPROOF
POWER LEAD
SPLICE
WIRE HARNESS
CONNECTOR
(TO AIR DRYER)
AIR DRYER
™ air dryer will not cycle
™
15