MN-333 • (141104) • ECR 7953 ™ Kit 25592 5 PSI Low Pressure Sensor (Single Gauge) INSTALLATION GUIDE For maximum effectiveness and safety, please read these instructions completely before proceeding with installation. Failure to read these instructions can result in an incorrect installation.
TABLE OF CONTENTS Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Important Safety Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Notation Explanation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Installation Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Load Controller II Introduction The purpose of this publication is to assist with the installation of the Load Controller™ II compressor system. It is important to read and understand the entire installation guide before beginning installation or performing any maintenance, service or repair. The information here includes a hardware list, tool list, step-by-step installation information, maintenance tips, safety information and a troubleshooting guide.
Load Controller II Installation Diagram Black Panel assembly Ground White To dash light circuit of fused wire Harness #1 Adapter #1 Adapter Adapter #2 Power wire Fuse adapter Fuse Fuse box Adapter #3 * * Uses 3/16 (smaller) Female Push On Connector In line 15 AMP fuse Grommet Low pressure sensor Firewall Harness #2 Power wire Ground Compressor Inflation valve Inflation valve fig.
Load Controller II Installing the Load Controller II System RECOMMENDED COMPRESSOR LOCATIONS Important LOCATE COMPRESSOR IN DRY, PROTECTED AREA ON VEHICLE. DIRECT SPLASH OR EXCESSIVE MOISTURE CAN DAMAGE THE COMPRESSOR AND CAUSE SYSTEM FAILURE. Disclaimer: If you choose to mount the compressor outside the vehicle please keep in mind the compressor body must be shielded from direct splash and the intake should be snorkeled inside the vehicle.
Load Controller II STEP BY STEP INSTALLATION All of the electrical connections are matched by male-to-female push-in terminals. (Figs. 4 and 5). Ground Harness #1 fig. 4 Power Air line Harness #1 Harness #2 fig. 5 Gauge side Compressor side Red wire Low pressure sensor 1. Install the gauge panel. Select a convenient mounting location that has a sturdy rigid surface. The bottom edge of the dash on either side of the steering wheel is a good location.
Load Controller II Frame Floor plan Compressor Compressor L-bracket fig. 6 Supplied self tapping screw 1/4” Bolt and nut will need to be provided if the L-bracket is fabricated. 3. Connect wiring harness #1 to the back of the gauge panel (Fig. 4). a. With your thumb against the front side of the switch, connect the wire by pushing the female connectors onto the blade connectors on the switch. b. Push the air line onto the “T” fitting until the air line completely covers the barb (Fig. 4).
Load Controller II After the hole is drilled and before you route the harness to through the firewall, insert the grommet and “walk” the material around the inside edge of the drilled hole. You may have to trim the grommet to get an exact fit. (The f lexible grommet is in the sealed parts package.) fig. 8 6. Connect wiring harness #2 to wiring harness #1 (inside the vehicle) by connecting the red wire from harness #2 and hose, to the low pressure sensor.
Load Controller II 11. Recheck air pressure after 24 hours. A 2–4 PSI (0.13 -0.3 bar) loss after initial installation is normal. If pressure has dropped more than 5 PSI (0.34 Bar), re-test for leaks with soapy water solution. Please read and follow the maintenance and operating tips in the installation manual that came with your air spring kit. IMPORTANT: If the compressor runs continually or often, then there is a leak.
Load Controller II Limited Warranty and Return Policy WHAT THIS WARRANTY COVERS Air Lift Company provides a warranty to the original purchaser of its Load Support Products, for the periods of time listed below, by product line, from the date of original purchase, that the products will be free from defects in workmanship and materials when used on cars and trucks as specified by Air Lift Company and under normal operating conditions, subject to the requirements and exclusions set forth below.
Load Controller II Replacement Information If you need replacement parts, contact the local dealer or call Air Lift customer service at (800) 248-0892. Most parts are immediately available and can be shipped the same day. Contact Air Lift Company customer service at (800) 248-0892, first if: • Parts are missing from the kit. • Need technical assistance on installation or operation. • Broken or defective parts in the kit. • Wrong parts in the kit. • Have a warranty claim or question.
Load Controller II Notes MN-333 11
Load Controller II Notes 12 MN-333
Need Help? Contact our customer service department by calling (800) 248-0892. For calls from outside the USA or Canada, our local number is (517) 322-2144. Register your warranty online at www.airliftcompany.com/warranty Thank you for purchasing Air Lift products — the professional installer’s choice! Air Lift Company • 2727 Snow Road • Lansing, MI 48917 or PO Box 80167 • Lansing, MI 48908-0167 Toll Free (800) 248-0892 • Local (517) 322-2144 • Fax (517) 322-0240 • www.airliftcompany.