Federal Signal Corporation Vista XAPK-SC Installation Instructions Manual Download Page 1

2561660B  REV. B 1109

Safety Message to Installers of Warning Light Equipment

People’s lives depend on your safe installation of our products. It is important to read, 

understand, and follow all instructions shipped with this product and the related add-

on products. In addition, listed below are some other important safety instructions and 

precautions you should follow:

• 

To properly install a light assembly, you must have a good understanding of automotive 

electrical procedures and systems, along with proficiency in the installation and use of safety 

warning equipment.

•   If a vehicle seat is temporarily removed, verify with the vehicle manufacturer if the seat needs 

to be recalibrated for proper airbag deployment.  

•   When drilling into a vehicle structure, be sure that both sides of the surface are clear of 

anything that could be damaged.

•   To be an effective warning device, this product produces bright light that can be hazardous to 

your eyesight when viewed at close range. Do not stare directly into this lighting product at 

close range or permanent damage to your eyesight may occur.

• 

You should frequently inspect the light system to ensure that it is operating properly and that 

it is securely attached to the vehicle.

• 

Refer to the instruction sheets included with related products for additional precautions and 

information.

• 

File these instructions in a safe place and refer to them when maintaining or reinstalling the 

product. 

Failure to follow all safety precautions and instructions may result in property damage, 

serious injury, or death to you or others.

Overview

This publication provides directions for installing the Federal Signal 

V

ista

™ Series lightbars on a 

vehicle roof. 

Unpacking the Kit

After unpacking the kit, inspect it for damage that may have occurred in transit. If the contents 

have been damaged, do not install the kit. File a claim immediately with the carrier, stating the 

extent of the damage. Carefully check all envelopes, shipping labels, and tags before removing or 

destroying them. Ensure that the parts listed in 

Table 1

 are included in the package.

Table 1: Kit contents

Qty. Description

Part No.

Qty. Description

Part No.

8

Bolt, Torx Hd., 5/16-18 x 5/8

7000434-10

4

Bolt, Toggle, 1/4-20

8422A032

4

Bolt, Rd. Hd. Carriage, 

3/8-16 x 3/4

7004A024-12

4

Pad, Mounting

8572029

4

Nut, Acorn, 1/4-20

7054A010

2

Bracket, Mounting

8583089

continued

Installation Instructions for 

V

ista

®

 Model XAPK-SC, 

-SD or XPK-SC, -SD Permanent Mount Kit

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