SB-10054418-1410

SERVICE MANUAL BULLETIN
This Service Manual Bulletin is prepared by the Publications Department of New Flyer Industries
Canada ULC. Refer to details below.

SMB-127
ISSUE DATE: Sep 06 2013

APPLICABILITY
VEHICLE LENGTH

 30ft.

 35ft.

 40ft.

 60ft.

 ALL

VEHICLE TYPE

 High Floor

 Low Floor

 Invero

 Xcelsior

 ALL

 Diesel

 Electric

 CNG

 LNG

 Diesel/Electric

 Gas/Electric

 Fuel Cell

FUEL TYPE

 ALL

SUBJECT

Vapor Doors Proximity Switch Adjustment

SECTION TITLE

16 - Entrance & Exit Door

DETAILS

This Bulletin provides revised information on the adjustment of the proximity
switches located on the baseplate of the front and rear Vapor Slide Glide
doors as installed on your New Flyer vehicle.
This information supersedes any prior information on this subject
already provided in your New Flyer Manuals. Make this Service Bulletin
available to service personnel to inform them of changed information.

SMB-127

Copyright © 2013 New Flyer Industries Canada ULC

Cover

SERVICE MANUAL BULLETIN
SMB-127
1.

Entrance Door Switch Plate
& Proximity Switches

1.1.

Installation
1. Install the switch into the front plate of the
door operator in reverse of removal.

1.2.

Proximity Switch Adjustment
Adjust the distance between the switch
and the teeter plate to ensure correct actuation of the entrance door. Ensure the following conditions are met prior to
proceeding with adjustments:

wise as viewed from the bottom looking up.
The LS2 proximity switch should actuate
just prior to the door being fully opened,
and remain actuated with the door fully
open, illuminating the LED light at the rear
of the switch. This actuation point is
referred to as 85° open.
4. Use a feeler gauge to measure gap
between teeter lever and bottom of the
LS2 proximity switch. Loosen switch lock
nuts as required and adjust switch to
obtain a gap of 0.080 ± 0.010 inches
(2.00±0.13 mm) Dimensions in Fig 1
applies to LS2

❒ Open the hinged access panel above the
entrance door and operate the emergency
release control to exhaust air from the door
system.

5. Manually close the door and ensure the
output shaft is rotated fully clockwise as
viewed from the bottom looking up. The
LS1 proximity switch should actuate just
prior to the door being fully closed, and
remain actuated with the door fully closed,
illuminating the LED light at the rear of the
switch. This actuation point is referred to
as 5° closed.

1. Manually move door panels to the fully
closed position and ensure output lever is
rotated fully clockwise (as viewed from the
bottom looking up.

6. Manually operate the door mechanism
several times between fully open and fully
closed to ensure proper actuation of the
switches.

2. Use a feeler gauge to measure gap
between teeter lever and bottom of the
LS1 proximity switch. Loosen switch lock
nuts as required and adjust switch to
obtain a gap of 0.080 ± 0.010 inches (2.00
± 0.13 mm) (Dim “A”). See “Fig. 1: Proximity Switch Adjustment (Door Closed).” on
page 2.

7. Torque switch lock nuts to 130 in-lb.

❒ Using a digital multimeter (DMM), verify
each proximity switch is receiving power
and ground.

8. Close the emergency release control to
apply system air pressure to door motor.
9. Cycle door controller several times
between open and closed to ensure proper
operation of the door mechanism and limit
switches.

3. Manually open the door and ensure the
output shaft is rotated fully counter-clock-

SMB-127

Copyright © 2013 New Flyer Industries Canada ULC

1 of 3

SERVICE MANUAL BULLETIN
SMB-127

/6

/6'225&/26('
352;,0,7