Wolo 846 The Chief - Manual

METHOD A. (Fig. C.) Is the recommended method for a roof mount installation using the flexible inlet hose
(provided), connecting to the horn’s air inlet located at bottom
base plate.
METHOD B. (Fig. D) Using the air inlet located at the front
base. IMPORTANT: For method B you will need to install the
screw plug into the horn’s air inlet located at the bottom base
plate before the horn is secured to the vehicle.
1. Locate the desired area you wish to mount THE CHIEF air
horn. For best results, the front of the horn should be
unobstructed so that the horn’s sound can project straight
ahead. Use the horn’s gasket as a template, mark hole
locations and drill to size. See Fig. A.
IMPORTANT: For method B mounting: only drill the two-(2)
1/4” screw holes, (the 7/16’’ hole is not required).
2. Secure the horns to the vehicle using the hardware provided.
Tighten screws evenly to prevent damage to the horn. See Fig. A.
IMPORTANT: Be sure to use the rubber gasket to protect
against water leaks.
3. Position the front trumpet support bracket around the narrow
part of the trumpet. Push the bracket forward until it is tight.
Use the bracket as a template, mark hole locations and drill
to size. See Fig. B.
4. Secure the front trumpet to the vehicle using the hardware
provided. Tighten screws evenly to prevent damage to the
horn. See Fig. B.
IMPORTANT: Be sure to use the rubber gasket to protect
against water leaks.
INSTALLATION INSTRUCTIONS
For THE CHIEF - Model 846
Your choice of Wolo’s THE CHIEF Air Horn is the perfect choice to compliment any emergency vehicle
providing an extra level of powerful warning sound to clear the right-of-way. The Wolo name, is your
guarantee of a superior horn made with the finest material and precision workmanship to assure years of
dependable service. Our technicians are available to answer your questions, Monday through Friday from 8
AM to 4 PM EST at 1-888-550-HORN (4676).
AIR HORN INSTALLATION
Before installing THE CHIEF you will need to determine which of the two air inlets is the most suitable for your
installation. See below Method A or Method B.
Fig A
Rubber Gasket
NOTE: Center Hole Not
Used In Method B
1/4’’
6 mm
1/4’’
6 mm
Fig B
Rubber Gasket
Push
Forward
1/4’’
6 mm