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Waterous 70-35-GP Operation Manual

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Operation Guide
Applies to Waterous Model
70-35-GP Rotary
Rev 5
Unit Serial Number ______________________
Waterous Company
125 Hardman Avenue South
South St. Paul, MN 55075 USA
651-450-5000
Fax: 651-450-5090
www.waterousco.com
12/7/2017

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Summary of Contents for Waterous 70-35-GP

  • Page 1 Operation Guide Applies to Waterous Model 70-35-GP Rotary Rev 5 Unit Serial Number ______________________ Waterous Company 125 Hardman Avenue South South St. Paul, MN 55075 USA 651-450-5000 Fax: 651-450-5090 www.waterousco.com 12/7/2017...
  • Page 2 AND after the initial operation. Damages due to poor installation are the responsibility of the installer. Waterous reserves the right to make modifications to the system without notice Page 2 of 24...

  • Page 3: Table Of Contents

    Waterous 70-35-GP Rev 5 Table of Contents SECTION 1. OPERATING INSTRUCTIONS ..................4 Multiple Uses ..........................4 Water Pumping Operations ......................4 Foam Solution Operations ......................5 Compressed Air Foam Operations ....................5 SECTION 2. SHUT-DOWN PROCEDURE ..................7 SECTION 3.

  • Page 4: Operating Instructions

    Onboard water supply A. Multiple Uses The Waterous portable compressed air foam unit can be operated in several pumping modes: water only, foam solution without compressed air and compressed air foam. NOTE: Monitor compressor instruments during any and all operations.

  • Page 5: Foam Solution Operations

    "ON" position, then to the start position to crank the engine until it starts. • Throttle-up to desired pressure. If pump pressure is absent, it will be necessary to prime the pump utilizing the Waterous Manual Primer. • To prime, a) Open the 1/4 turn Priming valve.
  • Page 6 Waterous 70-35-GP Rev 5 Discharge pressures for compressed air foam operations typically range between 80 and 100 PSI in a flow state. Set water discharge pressure at the desired level. NOTE: Compressed air foam does not have the hydraulic characteristics of plain water or foam solution.

  • Page 7: Shut-Down Procedure

    • WARNINGS: Compressed air can be dangerous. Read and understand the operating instructions for the Waterous compressed air foam unit and individual components prior to operating. • DO NOT use the compressed air foam unit as an air source for SCBA or any breathing air supply.

  • Page 8: Service And Maintenance

    Waterous 70-35-GP Rev 5 SECTION 3. SERVICE AND MAINTENANCE Refer to the included manuals for service and maintenance information on the following individual components: • Engine • Air Compressor • Foam Proportioner A. Maintenance Schedule Check oil level Change Oil...

  • Page 9: Cafs Nozzle / Flow Rate / Hose Combinations

    Waterous 70-35-GP Rev 5 SECTION 4. CAFS NOZZLE / FLOW RATE / HOSE COMBINATIONS A. Nozzles Compressed air foam can be discharged through various types and sizes of nozzles. Fog nozzles break-down the bubble structure of the foam, resulting in "wetter" or reduced expansion foam.

  • Page 10: Suggested Guidelines For The Production Of Mid-Range Compressed Air Foam

    Waterous 70-35-GP Rev 5 SECTION 5. SUGGESTED GUIDELINES FOR THE PRODUCTION OF MID-RANGE COMPRESSED AIR FOAM A. 1” Hose Diameter Jacketed 1 GPM to 1 CFM ½” Tip Solution Flow: 15 GPM (56.78 LPM) Air Flow: 15 CFM (0.42 m /min) Disch.

  • Page 11: 1-3/4" Hose Diameter

    Waterous 70-35-GP Rev 5 2 GPM to 1 CFM 1” Tip Solution Flow: 60-80 GPM (227.12 – 302.82 LPM) Air Flow: 30-40CFM (0.84 – 1.12 m /min) Disch. Pressure: 100-150 PSI (6.804 - 10.206 BAR) (689.5 - 1034.25 KPA) Min/Max Hose Length: 100’ to over 800’ (30.48 – 243.84 meters) 1 GPM to 1 CFM 1-3/8”...

  • Page 12: Master Stream

    Waterous 70-35-GP Rev 5 D. Master Stream 1” Tip Solution Flow: 90-120 GPM (340.68 – 454.24 LPM) Air Flow: 60-80 CFM (1.68 – 2.24 m /min) 1-3/8” Tip Solution Flow: 100-150 GPM (378.53 – 567.80 LPM) Air Flow: 70-100 CFM (1.96 – 2.8 m /min) 1-1/2”...

  • Page 13: Troubleshooting - Cafs

    Waterous 70-35-GP Rev 5 SECTION 6. TROUBLESHOOTING – CAFS The following instructions may refer to options or equipment that you may not have purchased with your system. Observed Probable Cause Suggested Remedy Symptom Lack of air supply to Lack of air pressure...
  • Page 14 Waterous 70-35-GP Rev 5 Observed Probable Cause Suggested Remedy Symptom Inadequate water flow Ensure adequate water flow through pump. Check Y strainer for through cooler obstruction, clean and reinstall Drain and flush cooler water tubes On-board tank used for cooling for a prolonged period - water too hot to effectively cool the compressor.
  • Page 15 Waterous 70-35-GP Rev 5 Observed Probable Cause Suggested Remedy Symptom High oil level Check oil level, adjust level to half of the sight glass with vehicle parked on (compressor is flooded) a level surface Compressor locked Sump fire Check system and repair...
  • Page 16 Waterous 70-35-GP Rev 5 Observed Probable Cause Suggested Remedy Symptom Engaging in RUN Engage in AUTO/UNLOAD only position Slight air leak from Repair air leak solenoid to clutch High RPM engagement Engage in lower RPM Clutch smoking Not allowing compressor...

  • Page 17: Troubleshooting - Pump

    Waterous 70-35-GP Rev 5 SECTION 7. TROUBLESHOOTING – PUMP The following instructions may refer to options or equipment that you may not have purchased with your system. Observed Probable Suggested Remedy Symptom Cause Clean and tighten all Intake connections. Make sure intake hoses and gaskets are in good condition.
  • Page 18 Waterous 70-35-GP Rev 5 Observed Probable Suggested Remedy Symptom Cause A worn or damaged priming valve may leak and cause pump to lose prime. Defective priming valve Consult primer Instructions for priming valve repair. Improper clearance in After prolonged service, wear may increase primer clearance and reduce rotary gear or vane efficiency.
  • Page 19 Waterous 70-35-GP Rev 5 Observed Probable Suggested Remedy Symptom Cause Place transfer valve in VOLUME (parallel) position when pumping more than two thirds rated capacity. Transfer valve set Improperly Insufficient capacity When shifting transfer valve, make sure It travels all the way Into new (Does not apply to single A.
  • Page 20 Waterous 70-35-GP Rev 5 Observed Probable Suggested Remedy Symptom Cause In general, the above causes and remedies for low pump capacity will also apply to low pump pressure. Pump speed too low Check pump speed with a tachometer. If pump speed is too low, refer to engine manufacturer's instructions for method of adjusting engine speed governor.

  • Page 21: Troubleshooting - Basic Engine

    Waterous 70-35-GP Rev 5 SECTION 8. TROUBLESHOOTING – BASIC ENGINE The following instructions may refer to options or equipment that you may not have purchased with your system. Problem Corrective Action a. Release the clutch (if so equipped). b. Clean and tighten the positive (+) and negative (–) battery cable 1.
  • Page 22 Waterous 70-35-GP Rev 5 Figure 2 Unit Dimensions and Controls Page 22 of 24...
  • Page 23 Waterous 70-35-GP Rev 5 Figure 3 Basic CAFS Schematic Page 23 of 24...

  • Page 24: Conditional 5-Year Warranty Policy

    (5) years from the date the product is first placed in service, or five and one-half (5-1/2) years from the date of shipment by WATEROUS, whichever period shall be the first to expire;...

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