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CYCLONE DURADRAIN
TRAILER WATER
SEPARATOR
PLACEMENT OF OPTIONAL
SUPPLY LINE CYCLONE
DURADRAIN
™
TRAILER WATER
SEPARATOR
FIGURE 3 - TRAILER SCHEMATIC
SERVICE INTERVALS
Service intervals are dependent on specific environmental
and operational factors that control the amount of
contamination removed by the Cyclone DuraDrain
Experience should be used to determine how frequently
the unit must be serviced. As a recommended minimum,
every 12 months, 100,000 miles or 3,600 operating hours,
perform the Operational and Leakage Tests. Inspect the
Cyclone DuraDrain
™
unit for unrestricted airflow and
blockage from debris collection. Remove the purge nut
and service according to the "Disassembly and Cleaning"
instructions. If the purge nut is damaged or improperly
functioning, replace with the purge nut service kit.
OPERATIONAL AND LEAKAGE TESTS
Connect the tractor air lines to the trailer being tested. Block
all wheels or hold the vehicle by means other than air brakes.
Supply Line (Emergency)
1. Build tractor and trailer to full system pressure by placing
the park control valve and the trailer air supply valve in
the charge position.
2. When full system pressure is reached, and the spring
brakes are fully released, apply a soap solution to the
supply and delivery ports of the Cyclone DuraDrain
trailer water separator. A 1" bubble in 5 seconds is
permissible.
Control Line (Service)
1. Build tractor and trailer to full system pressure by placing
the park control valve and the trailer air supply valve in
the charge position.
™
CONTROL
SUPPLY
™
SR-5
SPRING
BRAKE VALVE
™
unit.
™
ABS UNIT OR
RELAY VALVE
2. When full system pressure is reached, and the spring
brakes are fully released, apply a soap solution to the
supply and delivery ports of the Cyclone DuraDrain
trailer water separator. Apply the brakes and check for
leaks. A 1" bubble in 5 seconds is permissible.
DISASSEMBLY AND CLEANING
Periodically inspect and clean the Cyclone DuraDrain
trailer water separator. Do not disconnect or remove the
Cyclone DuraDrain
™
body.
1. Disconnect both upstream gladhands from the trailer or
dolly before beginning work on the Cyclone DuraDrain
trailer water separator. All servicing can be done without
disconnecting the air lines from the body.
2. Remove the 1-3/8" hex purge nut assembly with o-ring
from the bottom of the leaking Cyclone DuraDrain
water separator. Remove the o-ring from the purge nut.
AIR CLEANING
A rubber pressure-activated valve is located under the screen
in the purge nut. The screen is permanently installed and
cannot be removed. Attempts to remove the screen and
access the pressure-activated valve will damage the purge
nut necessitating its replacement.
WARNING NOTE: an air gun blowing backward through the
drain hole in the bottom of the nut can dislodge the pressure-
activated valve necessitating replacement of the purge nut.
The most common cause of air leakage is sandy debris on
the valve seat inside the purge nut. Dislodging and ejecting
the debris can restore leak-free operation.
SPRING BRAKE
™
trailer
™
™
™
3
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