Elkhart-brass ELKHART 8394-02 RC User Manual download pdf

Elkhart Brass Mfg. Co., Inc. 1302 W. Beardsley Avenue • Elkhart, Indiana 46514 • 1-574-295-8330 • 1-800-346-0250

www.elkhartbrass.com

ELKHART REMOTE CONTROLLED MONITOR MODEL 8394-02 RC

INSTALLATION AND MAINTENANCE INSTRUCTIONS

The standpipe that the monitor is to be mounted on must be designed to withstand the weight of

the monitor assembly full of water plus the reaction force of the nozzle. Nozzle flow and pressure

should be limited to produce no more than 505 lbs. of nozzle reaction force. This is the equivalent

force of a combination fog nozzle flowing 1000 gpm @ 100 psig nozzle pressure in a straight

stream pattern. Maximum pressure at the monitor base is 200 psig.

Nozzle back pressure or reaction force can be calculated by using one of the following formulae.

Fog Nozzle Reaction (pounds) = 0.0505 x GPM x  NOZZLE PRESSURE

Smooth Bore Nozzle Reaction (pounds) = 1.5 x NOZZLE DIA² x NOZZLE PITOT PRESSURE

Allowable Height of 8394-02 RC Monitor

The maximum height allowed between the monitor discharges center of rotation and the inlet end

of the monitor base sub-assembly is 10 feet without additional support. When the height exceeds

10 feet one or more model 295 support bearings should be used for additional support. See guide

below.

10-20 feet one 295 support bearing is required.

20-40 feet two 295 support bearings are required.

40-60 feet three 295 support bearings are required.

The first 295 support bearing should be located approximately 3 feet below the upper monitor

section. Additional 295 support bearings should be evenly spaced on the 4” pipe between the first

support bearing and the lower gearcase & base assembly.

Installation

Refer to drawing 8394-02 RC (Rev-D) for the general assembly and arrangement of parts for the

elevated monitor.

It is suggested that the monitor be assembled on the ground, then raised and mounted on the

standpipe as a completed unit.

1. Assemble the 4” pipe between the upper monitor sub-assembly and lower gearcase

& base assembly as shown in the drawing. (See note 4 on drawing to remove the

gear case from the monitor base sub-assembly before installing the 4” pipe.) Use a

suitable pipe thread sealant on each joint. If installation requires the #295 support

bearing(s), slide it (them) over the pipe before assembling pipe.

98289100 (Rev-F)

1 2 3 4

 NOZZLE PRESSURE 1
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Summary of Contents

Page 1 -  NOZZLE PRESSURE

Elkhart Brass Mfg. Co., Inc. 1302 W. Beardsley Avenue • Elkhart, Indiana 46514 • 1-574-295-8330 • 1-800-346-0250 www.elkhartbrass.com ELKHART REMOTE

Page 2

Elkhart Brass Mfg. Co., Inc. 1302 W. Beardsley Avenue • Elkhart, Indiana 46514 • 1-574-295-8330 • 1-800-346-0250 www.elkhartbrass.com 2. Install th

Page 3

Elkhart Brass Mfg. Co., Inc. 1302 W. Beardsley Avenue • Elkhart, Indiana 46514 • 1-574-295-8330 • 1-800-346-0250 www.elkhartbrass.com Maintenance 1.

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Elkhart-brass ELKHART 8394-02 RC User Manual

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