Bus - Aftermarket Equipment

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Aftermarket Bus Distributors

Get contact information for Distributors

    • Gillig Corporation
    • 25800 Clawiter Road
    • Hayward, CA 94545
    • Phone: 510-785-1500
    • New Flyer Industries,Inc.
    • 711 Kernaghan Avenue 
    • Winnipeg 
    • MB,Canada R2C 3T4
    • Phone: 204-224-1251
    • Motor Coach Industries
    • 200 E. Oakton Street
    • Des Plaines,IL 60018
    • Phone: 866-624-2622
    • ABC/  Baker Transit
    • 3481 St. Clair Parkway
    • Sombra
    • ON,Canada  N0P 2H0
    • Phone: 519-892-3430
    • Neopart
    • 5051 Horseshoe Pike, Suite 300
    • Honeybrook,PA 19344
    • Phone: 800-827-9287

Preventive Maintenance

    1. Inspect the O.D. (Outside Diameter) of the air spring. Check for signs of irregular wear or heat cracking.
    2. Inspect air lines to make sure contact doesn’t exist between the air line and the O.D. of the air spring. Air lines can rub a hole in an air spring quickly.
    3. Check to see that there is sufficient clearance around the complete circumference of the air spring while at its maximum diameter.
    4. Inspect the O.D. of the piston for buildup of foreign materials. (On a reversible sleeve style air spring, the piston is the bottom component of the air spring.)
    5. Correct ride height should be maintained. All vehicles with air springs have a specified ride height established by the O.E.M. manufacturer. This height, which is found in your service manual, should be maintained within 1/4”. This dimension can be checked with the vehicle loaded or empty.
    6. Leveling valves (or height control valves) play a large part in ensuring that the total air spring system works as required. Clean, inspect and replace, if necessary.
    7. Make sure you have the proper shock absorbers and check for leaking hydraulic oil and worn or broken end connectors. If a broken shock is found, replace it immediately. The shock absorber will normally limit the rebound of an air spring and keep it from overextending.
    8. Check the tightness of all mounting hardware (nuts and bolts). If loose, re torque to the manufacturer’s specifications. Do not over-tighten.
    9. APPROVED: Approved cleaning media are soap and water, methyl alcohol, ethyl alcohol and isopropyl alcohol.
      NOT APPROVED: Non-approved cleaning media include all organic solvents, open ames, abrasives and direct pressurized steam cleaning.


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