Table of Contents
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Read through the operation instruc-
tions carefully before using your
Waterous Fire Pump.
NOTE: Instructions subject to change without notice
Waterous Company, 125 Hardman Avenue South, South St. Paul, Minnesota 55075 USA (651) 450-5000
CX Series Centrifugal Fire Pumps
Operation and Maintenance Instructions
Safety Information----------------------------------------------- 2, 3
Introduction------------------------------------------------------------- 4
Components------------------------------------------------------------ 4
Options---------------------------------------------------------------- 4, 5
Pumping from Water Tank------------------------------------------ 6
Pumping from Hydrant or in Relay-------------------------------- 7
Pumping from Draft--------------------------------------------------- 8
Fire Hose Testing----------------------------------------------------- 9
Corrosion Protection------------------------------------------------ 10
Mechanical Seal------------------------------------------------------ 11
Packing----------------------------------------------------------------- 11
Vacuum Test---------------------------------------------------------- 13
Overheat Protection Manager (OPM)--------------------------- 13
Butterfly Valve (BFV)------------------------------------------------ 13
www.waterousco.com
Table of Contents
Optional Intake Screens------------------------------- 10
Optional Anodes----------------------------------------- 10
Packing Removal---------------------------------------------- 11
Packing Installation-------------------------------------------- 12
Packing Adjustment------------------------------------------- 12
F-1031, Section 2109.1 (Rev: 7/14/20)
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Table of Contents
Related Manuals for Waterous CX Series
Summary of Contents for Waterous CX Series
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Page 1: Table Of Contents
Read through the operation instruc- tions carefully before using your Waterous Fire Pump. NOTE: Instructions subject to change without notice F-1031, Section 2109.1 (Rev: 7/14/20) Waterous Company, 125 Hardman Avenue South, South St. Paul, Minnesota 55075 USA (651) 450-5000 www.waterousco.com... -
Page 2: Safety Information
Read through the safety information and operating instructions carefully before using your Waterous Fire Pump. Safety Information WARNING WARNING Unexpected Truck Movement. May result in seri- Death or serious personal injury might occur if proper operating procedures are not followed. The pump op- ous personal injury or death. - Page 3 Read through the safety information and operating instructions carefully before using your Waterous Fire Pump. Safety Information WARNING Hose Testing Hazard. May result in serious personal injury. Due to a potential for catastrophic hose failure during service testing of fire hose, it is vital that safety precautions be taken to prevent exposure of anyone to this danger.
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Page 4: Introduction
Introduction This instruction contains the information needed for operation and maintenance of CX Series centrifugal pumps. Since there are several types of transmissions available for these pumps, they are covered in separate instructions. General Description The CX series pumps are single stage centrifugal pumps. - Page 5 Figure 1. CXN Models 6 in. ANSI Flange & DIN PN10 150 Flange Figure 2. CXR Models Figure 3. CXS Models Figure 4. CXV Models Figure 5. CXD Models Figure 6. CXSD Models F-1031, Section 2109.1 Page 5 of 13...
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Page 6: Operating Instructions
Operating Instructions Transmission Operation Because of the variety of transmissions available for these pumps, the methods of operating them are not explained in this section. For information on Waterous transmissions, refer to transmission operation instructions. Pumping from Water Tank WARNING... -
Page 7: Pumping From Hydrant Or In Relay
Pumping from Hydrant or in Relay 3. Open discharge valves and accelerate engine to WARNING obtain desired discharge pressure and capacity. 4. Set relief valves or other pressure governing de- Pressure Hazard. May result in personal injury. vice to desired pressure. Prior to connection or removal of hoses, caps or other closures with pump intake or pump discharge CAUTION... -
Page 8: Pumping From Draft
Pumping from Draft 1. Prime the pump (see separate instructions sup- WARNING plied with primer). 2. 2.Engage pump. If pump is equipped with a Water- Pressure Hazard. May result in personal injury. ous transmission (C10, C20, K, PA, T, Y), follow Prior to connection or removal of hoses, caps or transmission operation instructions. -
Page 9: Fire Hose Testing
Fire Hose Testing WARNING Hose Testing Hazard. May result in serious personal injury. Due to a potential for catastrophic hose failure during service testing of fire hose, it is vital that safety precautions be taken to prevent exposure of anyone to this danger. Fire pumps on fire department apparatus are not designed for and should not be used for service testing of fire hoses. -
Page 10: Maintenance Corrosion Protection
Maintenance Corrosion Protection Optional Intake Screens Figure 6. Bolt-on Anodes Once per month check to make sure the intake screens are not clogged or damaged. Also check for corrosion, and re- place screens if damage is severe. For the screen to ad- equately control corrosion, there must be a strong electrical contact between the screen and the fitting. -
Page 11: Mechanical Seal
Heat is dissipated through the cross-section of the sary to remove the remaining packing by hand, us- packing, transferring the heat to the packing gland ing a pick or similar device. Waterous has a packing and pump body. removal tool (P/N 5782) available for this purpose, see Figure 8. -
Page 12: Packing Installation
Packing Installation Packing Adjustment 1. Before installing the new packing, be sure that all The pump packing is designed and adjusted to drip of the old packing is removed from the stuffing box. slightly during operation. This is to cool and lubricate the packing. -
Page 13: Vacuum Test
5. Repeat steps 3 and 4 until the drop rate is WARNING acceptable. Packing Gland and Pump Body Temperature Haz- Note: After adjusting the packing, the pump must ard. May result in serious burns. pass the following vacuum test described below. Heat is dissipated through the cross-section of the packing, transferring the heat to the packing gland and pump body.
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