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Waterous E500 Series Operation, Maintenance And Overhaul Instructions

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303.011
E500 SERIES MOTOR PUMP
OPERATION, MAINTENANCE
AND
OVERHAUL INSTRUCTIONS
MODELS:
E501–A
E511–A
E511–B
WATEROUS COMPANY
SOUTH ST. PAUL, MINNESOTA 55075
U.S.A.

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  • Page 1 303.011 E500 SERIES MOTOR PUMP OPERATION, MAINTENANCE OVERHAUL INSTRUCTIONS MODELS: E501–A E511–A E511–B WATEROUS COMPANY SOUTH ST. PAUL, MINNESOTA 55075 U.S.A.

  • Page 2: Safety Instructions

    SAFETY INSTRUCTIONS DANGER Exhaust gas and fire hazard. Can cause illness, personal injury or death. DO NOT run the engine in an enclosed area. Exhaust gases contain carbon monoxide, an odorless, deadly poison. Refuel outdoors or only in well ventilated areas. DO NOT operate the engine when an odor of fuel is present or other explosive conditions exist.

  • Page 3: Installation

    952 cc diesel or gasoline Briggs & Stratton Vanguard engine. An optional remotely mountable instrument panel and a priming system consisting of either a Waterous’ hand or electric primer are available. The model numbers below define the different pump designations.

  • Page 4: Maintenance And Repair

    MAINTENANCE AND REPAIR Page 2 of 11 Preparation units are permanently mounted in an apparatus and at- tached to rigid piping, connections between the pump NOTE: Engines are shipped without oil. Oil must be and the piping should be made with flexible coupling to added before operating.

  • Page 5: Engine Maintenance

    Be sure to give the pump model, serial “Proportion” section of this manual. number and parts list number when ordering parts. Contact your Waterous dealer, or call a Waterous ser- vice specialist at 651–450–5200 with any questions.
  • Page 6 OVERHAUL Page 4 of 11 Figure 1. E501 Volute Body Removal Figure 2. E511 Volute Body Removal Hex Nut, 7/16–20 Lock Washer, 7/16 in. Lock Washer, 7/16 in. Hex Nut, 7/16–20 IL1895 Hex Hd Screw, 7/16–20 x 2–3/4 in. IL1919 Hex Hd Screw, 7/16–20 x 3 in.
  • Page 7 OVERHAUL Page 5 of 11 Figure 3. E511 Impeller and Mechanical Seal Removal Square Key, 3/16 x 1 in., SS Flat Washer, 1/2 in., SS Impeller Impeller Nut Wear Ring IL1896 Magnetic Pipe Plug, 3/8 in. 1. Remove the impeller nut and washer from the impeller shaft.
  • Page 8 OVERHAUL Page 6 of 11 Figure 6. E511 Gear Case Cover and Impeller Shaft Removal 1. Remove the 10 hex head screws and lock washers from the gear case cover. 2. Remove the gear case cover from the gear case. Press out the impeller shaft and bear- ing assembly from the gear case cover.
  • Page 9 Figure 9. E501, E511 Gear Case Removal 1. Remove the drive gear/shaft assembly. Note: The drive shaft / gear assembly is available for replacement from Waterous. Disassembly is not always required. 2. Remove innter race of bearing from end of drive shaft.
  • Page 10 OVERHAUL Page 8 of 11 Figure 10. E501, E511 Engine Adapter Removal Note: The engine adapter and the drive plate assembly should not require disassembly unless inspection reveals wear of the drive plate. Socket Hd Screw 1. Remove the M10 and 5/16 bolts from the engine adapter M8–1.25.x 25mm (Note: The starter is supported by two of the M10 bolts) to separate the engine adapter from the engine.
  • Page 11 OVERHAUL Page 9 of 11 Figure 12. E511 Mechanical Seal Assembly Spring Sleeve Clean shaft and coat with Primary Ring mechanical seal lubricant. bellows assembly must slide over to seat with stationary If lubricant or other foreign material should ring. get on the sealing faces, wipe it off with rub- bing alcohol and a soft cloth.

  • Page 12: Reassembling And Testing Pump

    INSPECTION Page 10 of 11 After the pump has been disassembled, check the following before reassembly: Impeller Wear 2. Check the shaft surface in the area under the mechani- cal seal bellows to be sure it is free of severe scratches 1.
  • Page 13 INSPECTION Page 11 of 11 E511 Pumps Only (Steps 15–18): (See Figure 12) 17. Install retaining ring. 16. Coat the impeller shaft and inside diameter of the bel- 18. Install the impeller key in shaft keyway and install the im- lows assembly with mechanical seal lubricant.
  • Page 15 (2) years from the date the product is first placed in service, or two and one-half (2-1/2) years from the date of shipment by Waterous, whichever period shall be the first to expire;...
  • Page 16 WATEROUS COMPANY • 125 HARDMAN AVENUE SOUTH SOUTH ST. PAUL, MINNESOTA 55075–2456 U.S.A. Phone: (651) 450–5000 • FAX: (651) 450–5090 F–2390 (09/02)

This manual is also suitable for:

E501-aE511-aE511-b

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