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Waterous CX Series Overhaul Instructions

Fire pumps
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CX Series Fire Pumps
Waterous Company 125 Hardman Avenue South, South St. Paul, Minnesota 55075 USA (651) 450−5000
All content in this instruction is property of the Waterous Company. Instructions subject to change without notice.
All content in this instruction is property of the Waterous Company. Instructions subject to change without notice.
All content in this instruction is property of the Waterous Company. Instructions subject to change without notice.

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CX Series
Overhaul
Instructions subject to change without notice.
Overhaul Instructions
Form No.
F−1031
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Issue Date
Rev. Date
4209
01/83
01/03/07
Illustrations
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Summary of Contents for Waterous CX Series

  • Page 1: Table Of Contents

    Instructions subject to change without notice. All content in this instruction is property of the Waterous Company. Instructions subject to change without notice. All content in this instruction is property of the Waterous Company. Instructions subject to change without notice.

  • Page 2: Introduction

    Since several types of transmissions are used with the Series pumps, not all steps will apply to any one pump. CX Series pumps, the transmissions are covered in separate sections be- Also refer to the Service Parts List (SPL documents) furnished with your ginning with number 4300.

  • Page 3: Installing Ball Bearings

    Installing Ball Bearings Installing Body Gaskets Most Waterous pumps are designed so that ball bearings fit tightly on their To provide added sealing for gaskets between body halves, or between bodies and intake adapters, coat both sides of these gaskets with a suit- shafts and have relatively loose fits in the bearing housings.

  • Page 4: Inspection And Repair

    Inspection and Repair Mechanical Seal If a pump has a mechanical seal, installing a new seal during reassembly is and the edges of the keyway are free of burrs which will damage seal com- required. Check impeller shaft (S1) for damage. Make sure the shaft end ponents during reassembly.

  • Page 5: Reassembly

    Figure 1. Mechanical Seal Lubrication Application NOTE: If Waterous Mechanical Seal Lubricant part no. 52608 is not available, P80 rubber lubricant, straight dish soap or glycerin may be If lubricant should get on face of seal ring, wipe it substituted.

  • Page 6: Packing

    3. If all the packing is not forced out, it may be necessary to remove the re- maining packing by hand, using a pick or similar device. Waterous has a WARNING packing removal tool (P/N 5782) available for this purpose, see Figure 1.

  • Page 7: Final Assembly

    NOTE: Be sure that the packing joints are staggered at least 90_ apart. Figure 3. Packing Gland Tightening 6. Install packing glands, nuts and washers. Tighten gland nuts one flat be- yond finger tight, see Figure 3. NOTE: The milled slot on the nut should face the gland. 7.

  • Page 8: Vacuum Test

    3. If drip rate is considered high, stop the engine and tighten the packing WARNING gland nuts 1/2 to 1 flat (maximum of 1/6 of a revolution). Make appropri- ate adjustments starting with 1 flat, when approaching the final adjust- Packing Gland and Pump Body Temperature Hazard.

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