IK2200117 - Motor Replacement and Door Adjustment Procedure for Electric IC Bus Do... Page 1 of 3

SB-10044297-4409

Countries:

CANADA, UNITED STATES,
MEXICO

Document ID: IK2200117

Availability:

ISIS, Bus ISIS, FleetISIS

Revision:

0

Major System :

BUS BODY

Created:

5/8/2012

English

Last
Modified:

6/4/2012

Author:

Matthew
Boyer

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Other Languages : NONE
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Title: Motor Replacement and Door Adjustment Procedure for Electric IC Bus Doors
Applies To: BE, CE, FE, and RE Buses with the Current Electric Door Motor

DESCRIPTION
This iKNow document explains the replacement and adjustment process of the electric drive motor for the pupil door installed
on CE busses. This process has changed from that of previous models.

REMOVAL
1. Disconnect the two electrical leads to the electric door actuator.
2. Move the door manual release handle to the right into the run position.
3. Remove the 1/4-20 nut and bolt that holds the lever bracket to the base structure.
4. Remove two M6x16 screws and washers that hold the lever bracket to the base structure and motor

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IK2200117 - Motor Replacement and Door Adjustment Procedure for Electric IC Bus Do... Page 2 of 3

A. Remove the lever bracket from the assembly.
B. Remove the compression spring from the assembly.
5. Remove the final M6-16 screw holding the motor to the base assembly.

INSTALLATION
1. Position the new motor into the base assembly and install one M6x16 screw and washer into the motor.
2. Rotate the motor so that the pinion gear engages with the bell crank gear.
3. Place the compression spring into the clearance hole in the base structure, on top of the motor gearbox.
4. Place the lever bracket onto the top of the base structure, making sure that the lever end is positioned through the release
lever.
5. Install the two remaining M6-16 screws and washers through the lever bracket and into the motor.
6. Install the 1/4-20 nut and bolt through the remaining hole in the lever bracket and base structure.
7. Tighten all four fasteners to 60 to 100 in-lbs.
8. Adjust the socket set screw so that the doors can be operated manually when the lever is in the up position. When the lever is
moved to the down position, the motor will be engaged,
9. Tighten the locknut on the set screw to 60 to 100 in-lbs.
10. Reconnect the electrical leads to the motor terminals such that the RED is on the TOP, and the BLACK is on the BOTTOM
terminal.
11. Verify the micro switch position and adjust the door as required to complete the open and close operations and to disengage
the motor at the end of each stroke.

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IK2200117 - Motor Replacement and Door Adjustment Procedure for Electric IC Bus Do... Page 3 of 3

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Copyright © 2012 Navistar, Inc.

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