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290A3620

LENS

LIGHT

ASSEMBLY

REMOVE 2
TORX SCREWS

PULL LENS STRAIGHT AWAY

FROM LIGHT ASSEMBLY

CAUTION

THE USE OF LONGER SCREWS MAY DAMAGE

THE CIRCUIT BOARD ASSEMBLY.  USE THE 

PREVIOUSLY REMOVED SCREWS WHEN

REPLACING THE LENS.

Figure 3.

CAUTION

Service life of lamp will be shortened if glass is touched.
If glass has been handled, clean with a grease solvent.

WARNING

A serious injury may result if lamp is touched when hot.
Always allow lamp to cool before removing. Halogen
lamps are pressurized and if broken can result in flying
glass. Always wear gloves and eye protection when
handling the lamps.

2.

Remove the defective lamp by carefully pulling it

out of the socket. Install a new lamp by aligning the pins on the
lamp base with the holes in the socket, and carefully pushing the
lamp into the socket.

CAUTION

Use of longer screws may damage the circuit board
assembly. Use the previously removed screws when
replacing the lens.

3.

Replace the lens using the previously removed

screws.

VI.

REPLACEMENT PARTS.

Description

Part No.

Lens, Clear

8573001

Lens, Red

8573001-01

Lens, Amber

8573001-02

Lens, Blue

8573001-03

Lens, Green

8573001-04

Lamp, 27-watt halogen,

8573007

  G.E. GH-22
Cable Assembly, 15-ft.

175846

Cable Assembly, 35-ft.

175846-01

Reflector and Terminal Assy.

8573180

Screw, Torx, #10-32

7011163-04

PCB Assembly

2001228

Switch Kit Assembly

8573157

VII. SERVICE.

Communication and shipments should be addressed to:

Service Department
Federal Signal Corporation
2645 Federal Signal Drive
University Park, IL 60466
1-800-433-9132

-4-

Summary of Contents for SIGNALMASTER SM428A-NFPA

Page 1: ...blue green and clear These models provide three distinctive and prioritized lighting patterns The highest priority pattern is the left arrow and right arrow directional signal When this signal is selected the lamps are individually illuminated in a sequential sweeping motion until all eight lamps are illuminated The lower priority pattern is the warn signal When this signal is selected an alternat...

Page 2: ...lying 25 amperes c Do not connect the red wire to the positive power source terminal at this time 2 Control Head Connections a Wrap the control cable s stripped wire ends with tape and route the cable to the control head mounting location b See figure 2 Crimp five 1 4 straight terminals on the cable wire ends and jumper wire combination c Connect the terminals on the switch as shown in figure 2 3 ...

Page 3: ...h 1 OFF Position The SignalMaster is available for the low power warn signal if the vehicle ignition switch is on and the vehicle parking brake is applied 2 ON Position a The switch will illuminate If the switch does not illuminate check the switch bracket ground lead for proper chassis ground connection b The directional hazard patterns will operate as selected by the Hazard Rocker Switch B Hazar...

Page 4: ...e socket Install a new lamp by aligning the pins on the lamp base with the holes in the socket and carefully pushing the lamp into the socket CAUTION Use of longer screws may damage the circuit board assembly Use the previously removed screws when replacing the lens 3 Replace the lens using the previously removed screws VI REPLACEMENT PARTS Description Part No Lens Clear 8573001 Lens Red 8573001 0...

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