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Read through the safety information and 
overhaul instructions carefully before repair-
ing your Waterous CPK-5 Series Fire Pump. 

               

      Table of Contents

 

 

Safety Information ................................................................................... 2

 

Introduction .............................................................................................. 3

 

General Description ................................................................................. 3

 

General Overhaul Information ................................................................ 3

 

Tools and Equipment .............................................................................. 3

 

Preliminary Testing ................................................................................. 3

 

Cleaning ................................................................................................... 3

 

Pump Bodies and Impellers ....................................................................... 3 

Bearings, Gaskets, Seals and O-rings ....................................................... 4 

Impeller Shafts ........................................................................................... 4 

Installing Ball Bearings .............................................................................. 4 

Installing Body Gaskets ............................................................................. 4 

Disassembly

 ........................................................................................ 4 - 5 

Reassembly

 .............................................................................................. 6 

Testing

 ...................................................................................................... 7 

Hydrostatic Testing .................................................................................... 7 

Operational Testing ................................................................................... 7 

NOTE: Instructions subject to change without notice 

Waterous Company, 125 Hardman Avenue South, South St. Paul, Minnesota  55075  USA  (651) 450-5000

 

www.waterousco.com 

F-1031, Section 5015 (Issued: 05/17) 

 

CPK-5 Series Fire Pumps  

Overhaul Instructions 

 

   

 

Содержание CPK-5 Series

Страница 1: ...ing 3 Cleaning 3 Pump Bodies and Impellers 3 Bearings Gaskets Seals and O rings 4 Impeller Shafts 4 Installing Ball Bearings 4 Installing Body Gaskets 4 Disassembly 4 5 Reassembly 6 Testing 7 Hydrostatic Testing 7 Operational Testing 7 NOTE Instructions subject to change without notice Waterous Company 125 Hardman Avenue South South St Paul Minnesota 55075 USA 651 450 5000 www waterousco com F 103...

Страница 2: ...ressure by opening drains or bleeder valves Bleeder valves should also be used while filling a hose connected to an intake with water WARNING Scalding Water Hazard May result in serious burns When operating the pump be sure to open at least one discharge valve slightly to prevent the pump from overheating If the pump runs for a few minutes completely closed it may heat the water enough to scald so...

Страница 3: ...reliminary Testing Before disassembling a pump test it thoroughly if possible and record the results A comparison of this test with periodic tests recommended in form F 1031 Section 1000 can often reveal specific pump troubles Ex cessive speed for instance indicates that impellers and or wear rings are probably worn Cleaning The continued satisfactory operation of a pump depends to a great extent ...

Страница 4: ...a tight fit in the housings and a heavy force is necessary to install them be sure to apply force only to the outer bearing races For ei ther type of fit applying force to the wrong bearing race may damage the balls and race Installing Body Gaskets To provide added sealing for gaskets between body halves or between bodies and intake adapters coat both sides of these gaskets with a suita ble sealan...

Страница 5: ...rd lock washer S10 from first stage impeller S1 8 Remove impeller using puller 9 Remove square key S8 from impeller shaft S3 10 Remove ten 10 hex head screws B10 and lockwashers B14 that attach the pump head B2 to the volute body B1 11 Remove volute body B1 from pump head B2 and transmission 12 Remove retaining ring S7 13 Remove second stage impeller S2 using puller 14 Remove mechanical seal silic...

Страница 6: ...nto the second stage impeller S2 9 Apply high pressure grease onto second stage impeller S2 10 Line up keyway of second stage impeller S2 into the key S8 of the shaft S3 11 Push the second stage impeller until it seats against the shoulder of the shaft S3 An installation tool can be used to prevent break age of mechanical seal 12 Slide retaining ring S7 until seated into groove 13 Install volute b...

Страница 7: ... 7 Drain pump completely and disconnect intake hose Operational Testing 1 Operate the pump at its maximum intended service pressure Do not exceed 1350 psi 2 Check for leaks with a portable light If leaks are discovered stop the pump and tighten connections or tighten attaching parts as nec essary Repeat until all leaks are eliminated 3 Check for unusual noises oil leaks overheated bearings etc whi...

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