Federal Signal Corporation 3H Installation Instructions

Air horns

Installation INSTRUCTIONS

FOR 3H, 4H, 4M, and 6H Air Horns

Address all communications and shipments to:

FEDERAL SIGNAL CORPORATION

Electrical Products Division

Service Department

2645 Federal Signal Drive

University Park, IL 60466-3195

Table of Contents

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Page 1 INSTALLATION INSTRUCTIONS FOR 3H, 4H, 4M, and 6H Air Horns Address all communications and shipments to: FEDERAL SIGNAL CORPORATION Electrical Products Division Service Department 2645 Federal Signal Drive University Park, IL 60466-3195...
Page 2 20 to 150 p.s.i.g., but are tuned for optimum audibility at 80 to 90 p.s.i.g. The Model 3H horn is tuned to a frequency of 750Hz. It has a female 3/8 I.P.S threaded opening for connection to the compressed air system, and is light enough to be supported by the pipe to which it is connected.
Page 3 The Model 6H horn is tuned to a frequency of 295Hz. It has a female 3/4 I.P.S. threaded opening for connection to the compressed air system and is provided with a mounting ear on top of the casting that includes two mounting holes for 1/2 inch bolts. It also contains a mounting flange around the pipe opening with four mounting holes for 1/2 inch bolts.
Page 4 Retaining Ring, 4H K8271A011 Retaining Ring, 4M K8271A034 Retaining Ring, 6H K8271C023 Diaphragm, 3H K8271A020 Diaphragm, 4H K8271A013 Diaphragm, 4M K8271A072 Diaphragm, 6H K8271A077 Locking Screw, 3H, 4H, 4M K7000A070-16 Locking Screw, 6H K7002A046-12 Jam Nut, 3H, 4H, 4M K7059A016...
Page 5 SPECIFICATIONS. Model Pipe Size Air Consumption Frequency dBA@ (in.) (cubic ft/sec) (Hz) 10 ft. 0.25 0.25 0.45 Model Dimensions (in) Weight Air Valve to (lbs) Be Used 4-7/8 4-3/4 3-7/8 7-7/8 5-5/8 11-1/4 5-9/16 12-3/8 9-1/2 2-3/16 3" HORNS 4" HORNS 6"...

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