CBC-2018-001

Dear Collins Bus Corporation Customer
Date: June 8th, 2018
Subject: OEM AC Line Inspection.
Models Affected: Collins Bus Transit Gas 55K AC
Notes: This instructional document is intended to assist Collins Bus distributors, their
customers and/or service shops in the proper techniques for repair and maintenance.
Issues described in this document may not apply to all Collins Bus units. Authorized
technicians will be able to decide whether or not a unit with similar issues will benefit
from the provided information.
Details: Information contained in this document will help you determine and inspect the
OEM AC line on certain Collins Bus Transit Gas Ford models. Please follow the
instructions provided with each picture for details on this potential issue and suggested
repair.
Supplied Parts for Collins Bus Transit: Worm drive clamp, 3” piece protective hose
Tools needed for Transit Models: Large flat blade screw driver, 5/16” socket
Collins Transit Diesel Model 55k AC
1. Pull hood release.
.
1. Open and prop the hood. Location to inspect: On the driver’s side there is a
cooler housing on the right side of the radiator.
2. Remove the two screws securing the headlight assembly.
3. Remove headlight assembly to access AC line. NOTE: Pull assembly forward
towards front to remove
4. Location: On driver’s side there is a cooler housing that will have an A/C line coming
out from behind it.
 This could come straight over the top or off to the driver’s side of the cooler.
4. Place the supplied split hose around AC line and make certain the split is facing
towards the firewall.
6. Open supplied worm drive clamp.
7. Place supplied clamp around protective hose and tightened at top of supplied hose.
Note: Make certain there is adequate clearance between clamp and cooler.
8. Re-install headlight assembly and secure with the two screws.
Inspecting/Securing AC Line.
$22.50 per Unit
We regret the inconvenience this service may cause you. Please be assured that
Collins Bus Corporation is striving to build our buses with the best value and safety
available. Thank you for your cooperation in this matter. If you have questions about
anything contained in this document please contact
Randy Keesling,
(Customer Service Coordinator for Collins Bus)
1-800-533-1850 ext 414
Sincerely,
COLLINS BUS CORPORATION