17730-310
13
Air Controller Manifold Diagram
OPTIMAAX
®
Lift Axle System Air Controller Module for Freightliner
SECTION 9
Air Controller Manifold Diagram
TUBING REPLACEMENT
FOR THE AIR PORT EXH ON THE AIR CONTROLLER MANIFOLD, USE A FILTER RATED TO AT LEAST 40
MICRON . ANYTHING LESS CAN CAUSE DAMAGE TO THE AIR CONTROL PANEL .
1 . Use only S .A .E . J844 tubing and ensure all tubes are free from kinks .
2 . Ensure that the minimum bend radius is achieved on all tubes prior to assembly .
Recommended minimum radius:
■
¼" Tube – 1 .0 inches
■
3
⁄
8
" Tube – 1 .5 inches
■
½" Tube – 2 .0 inches
3 . Use only dedicated tube cutters when preparing tube ends for insertion into push-in fittings .
4 . Ensure the tube ends are square, free of damage, and clean .
5 . Ensure the tube is fully inserted into the fittings (tube ends are pushed past both the grip ring
and the sealing O-ring) .
■
SUPPLY and LIFT ½" tubes (not supplied by Hendrickson)
■
AUX and DRIVE
3
⁄
8
" tubes (not supplied by Hendrickson)
6 . A spring is used to retain a mesh filter on
DRIVE
and
SUPPLY
ports . These must be retained
when PTC fittings are installed (not supplied by Hendrickson) . The mesh filter helps to prevent
debris from entering the system .
7 . Ensure the tubing is not under any tension .
ECU
Output from Manifold:
Lift Spring
Input to Manifold:
Drive Suspension Pressure
Input to Manifold:
Air Supply
Air Controller
Manifold
* / "
Tube
3 8
AUX
(Black)
*½"
Tube
SUPPLY
(Yellow)
* / "
3 8
DRIVE
Tube
(Blue)
*½"
Tube
LIFT
(Blue)
*
NPT PTC Fittings are not supplied by Hendrickson
EXH Filter
Output from Manifold:
Aux Ride Spring