Pierce HUSKY 3 Operation & Maintenance Manual

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HUSKY 3

FOAM SYSTEM

Part No. PM-F-OM590-0322

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Summary of Contents for Pierce HUSKY 3

Page 3 Oshkosh is a registered trademark and the Oshkosh logo is a trademark of Oshkosh. Pierce Manufacturing reserves the right to make changes in engineering, design, specifications, add improvements or discontinue manufacturing at any time without notice or obligation. Pierce Manufacturing and the Pierce Manufacturing logo are registered trademarks of Pierce Manufacturing Inc., Appleton, WI, USA.
Page 5: Table Of Contents
..................2-11 ANIFOLD AND ASTER RAINS 2-2.3b ................... 2-12 LINE ATER HECK ALVE 2-2.3c ......................2-12 ATER LOWMETER 2-2.4 ........................2-12 ONTROL YSTEM 2-2.4a ........................ 2-13 ONTROL Husky 3 Foam System / i © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 6 4-10 R ............ 4-22 ECOMMENDED YDRAULIC IL FOR USKY ROPORTIONING YSTEM 4-10.1 C ......................... 4-22 HARACTERISTICS 4-10.2 R ........................4-22 ECOMMENDATIONS 4-10.3 O ......................4-22 HANGE NFORMATION ii / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 9: Foreword
Purpose of Manual The information in this manual is for the operation and maintenance of Pierce Husky 3 Proportioning System. It is intended to serve as a guide to assist qualified operators and mechanics in the operation and maintenance of their vehicle.
Page 11: Safety
The “signal words” of DANGER, WARNING, and CAUTION have specific meanings to alert you to the relative level or probability of the hazard. Take the safety warnings seriously. If you do not understand them or have questions about them, contact Pierce Manufacturing Inc.
Page 12: List Of Abbreviations
Liquid Crystal Display Light Emitting Diode Liters per Minute LVDT Linear Variable Displacement Transducer NFPA National Fire Protection Association Pounds per Square Inch Revolutions per Minute 1-2 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 13: General
Foam discharges can be identified by red/white tags; water only discharges can be identified by silver/black tags. 2-1.4 System Electrical Load The electrical load for the foam proportioning system is 65 amps at 3 GPM at 150 PSI. Husky 3 Foam System / 2-1 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 14: Deshydraulicription Of Major Hydraulic
Perform a flush after every use and keep system dry when not in use. Failure to comply may result in damage to equipment. The Husky 3 Foam Proportioning System is designed to be compatible with most known Class A and Class B foam concentrates at the date of printing of this manual.
Page 15: 2-2.1A Hydraulic
Figure 2-1: Hydraulic Gear Pump with Electric Motor 12 VDC Electric Motor Hydraulic Gear Pump Hydraulic Manifold Pressure and Return Ports Hydraulic Oil Pick-up Tube with Screen 1312 Husky 3 Foam System / 2-3 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 16: 2-2.1B Hydraulic
Hydraulic Gear Pump Electrical Components located in the main assembly consist of the following: • ON / OFF Relay; • 10 amp Fuse Holder; • DC Motor; • 100 amp Manual Reset Circuit Breaker. 2-4 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 17: 2-2.1C Hydraulic
The Hydraulic Filter is a replaceable paper type covered with a screen mesh. The filter is installed inside the hydraulic manifold on the foam pump. It is used to filter the hydraulic drive system oil. The filter (Pierce PN 2518612) should be checked and/or replaced every 500 operating hours or every five years, whichever comes first.
Page 18: 2-2.1E Hydraulic
The manifold block consists of the machined block, a hydraulic compensating valve, an hydraulic directional valve, a hydraulic relief valve, hydraulic pressure test port, internal hydraulic filter and the hydraulic proportional valve. 2-6 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 19: 2-2.2 Foam Supplys
The Tank/Draft Valve selects between the on-board foam concentrate tank and an external foam supply (i.e. foam pail) by means of the Foam Inlet. Husky 3 Foam System / 2-7 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 20: 2-2.2C Foamc
The foam concentrate pump has a maximum capacity of 3 GPM with all types of foam concentrates with a viscosity at or below 6000 cps including protein, fluoroprotein, AFFF, FFFP, or AR-AFFF. 2-8 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 21: 2-2.2D Foams
A solid red LED light “VALVE POSITION ERROR” is displayed by the control head in the event that the valve is not in the correct position for the operation selected. Husky 3 Foam System / 2-9 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 22: 2-2.2F Inlinef
A 3/4 in. flexible hose, with an end for insertion into foam containers, is provided. The hose has a 3/4 in. female swivel garden hose thread swivel connector. (The hose is part of loose equipment.) 2-10 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 23: 2-2.3A Manifold And 2-2.3B I N - Linew
The master pump drain will empty both the discharge and inlet manifolds of water when opened. The water pump drain should be pulled (opened) daily. Husky 3 Foam System / 2-11 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 24: 2-2.4 Control System
Figure 2-16: Water Flowmeter 1326 The Water Flowmeter measures the flow of water supplied to the foam/water discharges before foam is injected. This controls the amount of foam that is injected when the Husky 3 foam system is turned on. 2-2.4 Control System The control head directs a microprocessor, which receives input from the system’s water flowmeter while also...
Page 25: Valve
All components plug into the foam system controller module. The foam module is what actually controls the system. The user interfaces with the controller through the foam system control head. If replaced, the system calibration must be checked. Husky 3 Foam System / 2-13 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 26 Display setting will automatically reset to default setting (“0.5”) by cycling the batteries ON and OFF. Powering up of the batteries will flash program revision level and then go to default injection % setting. 2-14 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 27: Operation
NOTE: The only flush needed is to run the hose until it is mostly free of bubbles. The foam pump is designed to be flooded with foam Husky 3 Foam System / 3-1 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 28: 3-1.2 Classa Foam - Drafting
The Prime button may be used to prime (pump) air out of the pick-up tubing) when you first start to draft. 5. Use the INC % or DEC % buttons to change percentage (if needed). 6. See Para 3-2.1, General Flushing Information. 3-2 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 29: 3-1.3 Classb Foam - Drafting
4. Use the INC % or DEC % buttons to change percentage to 1.0 or 3.0. 5. See Para 3-2.1, General Flushing Information. Husky 3 Foam System / 3-3 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 30: Flushing System
Typically, no flushing is needed. The Husky 3 foam pump is designed to be flooded with foam. Unless a different brand of Class A foam was drafted, or Class B foam was drafted, the only system flush that is needed is to turn the system OFF and continue flowing water until the presence of bubbles is minimal.
Page 31: 3-2.3 Flushing After Drafting Classa Foam
Flush Mode. 3-2.4 Flushing After Drafting Class B Foam 1. Continue flowing though all foam discharges that were used. 2. Perform Para 3-2.2, Manual Flush Mode. Husky 3 Foam System / 3-5 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 32: Priming (Charging) System
4. Allow water/foam solution to run out of manifold drain until it is mostly clear of foam if unit is not immediately going to be used to fight fire. 5. Close manifold drain. System is now charged and ready for use. 3-6 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 33: Filling Foam Tank
2. Move Foam Tank/Draft handle UP to the Draft position. 3. Connect the flexible pick up hose to the contector on the panel and position pick up tube in foam bucket or drum. Husky 3 Foam System / 3-7 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 34 Figure 3-8: 2-way Foam Injection/Fill Valve (100ft Ascendant Aerial Tower Only) Tank Fill Position Foam Inject Position POM0931, POM0932 4. Place 2-way Foam Injection/Fill valve to Fill position. 3-8 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 35 14. Clean running board if needed. 15. Use the INC % or DEC % buttons to change percentage to default setting of 0.5% or turn battery switch OFF. Husky 3 Foam System / 3-9 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 36: 3-4.2 Fill Through Foam Tank Fill Dome
This tube goes into the tank and allows the foam concentrate to enter under the surface of foam currently in the tank to reduce aeration of the foam per NFPA. 3-10 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 37: Manual Mode
4. Turn foam pump OFF to stop manual mode OR turn the battery switch OFF. 3-6. Set-up Mode Refer to Para 4-2.1, Set-up Mode for Set-up Mode information. Husky 3 Foam System / 3-11 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 39: Maintenance
The services of a qualified field engineer to inspect the system, run the tests for start-up, and the annual inspection can be provided. Additional details can be obtained by contacting Pierce Manufacturing. During cold weather, the foam system must be blown out after testing with water. Water cannot remain in the foam system after testing.
Page 40: Set-Up & Calibration
2. Remove the fuse plug cover from the two-pin connector on cable. 3. Momentarily ground out the two pins on the cable. 4. The display head should now be in configuration mode and reading “C1”. 4-2 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 41 PRIME to store. Go on to next step and repeat for high flow rate. Low Flow Rate Default setting 30 GPM Calibration High Flow Rate Default setting 300 GPM Calibration Husky 3 Foam System / 4-3 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 42 Table 4-2: Store and Clear Value Buttons SCREEN DESCRIPTION Stores values into permanent memory by pressing PRIME button. Clears values into permanent memory by pressing PRIME button. Resets default values. 4-4 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 43: 4-2.1B Check Current Software Revision
GP Test Port 1311, 1335, 1346, 1361 1. Remove cap from the GP test port on the pumping cylinder of the Husky 3 and install a 0-3000 PSI pressure gauge (a higher range is acceptable). 2. Go to address (C7) in the calibration menu on the Husky 3 Control Head. See “Configuration Procedure”...
Page 44: Troubleshooting
Refer to Service Group 7950-V-014 in the Service Manual provided with your apparatus for addition information regarding the Linear Variable Displacement Transducer (LVDT) signal conditioning unit. Table 4-3: General Troubleshooting Symptom Possible Cause Corrective Action 1. Husky 3 display doesn't light up. No power. • Check/reset 100 amp circuit breaker. Faulty circuit breaker.
Page 45 Check float. Make sure it moves Level Float. freely and opens/closes switch. Tank fill check valve does not open. • Check to see if check valve is free. Husky 3 Foam System / 4-7 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 46 Foam Pump Inlet and Outlet Check • Remove Inlet and Outlet Valves (four) not sealing properly Manifolds and inspect the Check Valves and O-Rings for damage. 4-8 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 47 A. Is there foam in the foam The foam system will not Visual inspection. tank? operate properly without an adequate supply of concentrate. Fill tank with foam; see Section 2. Husky 3 Foam System / 4-9 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 49 G. Is the wiring OK? The foam system will not Refer to the wiring diagram for circuit operate properly if the information. wiring is faulty. Repair wiring. Husky 3 Foam System / 4-11 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 50 2878, pin 7 and ckt# 1640, pin 15. Voltage at the control head should be within .2 volt of the battery voltage. 1146 Repair wiring, poor connections, loose pins, etc. 4-12 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 52 Pump Drain open? the foam pump engages with the valve open, it is likely there is contamination in the injection check valve. Clean/replace the injection check valve. 4-14 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 53 O. Is the wiring OK? The foam system will not Refer to “System Diagrams” page 4-23 operate properly if the additional circuit information. wiring is faulty. Repair wiring. Husky 3 Foam System / 4-15 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 54 2878, pin 7 and ckt# 1640, pin15. Voltage at the control head should be within .2 volt of the battery voltage. 1146 Repair wiring, poor connections, loose pins, etc. 4-16 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 55 “System Diagrams” page 4-23 for additional circuit (continuity) for the circuit information. system to operate. Ground Stud Switched Positive Stud 1149 Repair ground circuit. Replace LVDT. Husky 3 Foam System / 4-17 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 56 ALL except 100ft Ascendant Aerial Tower 1337 100ft Ascendant Aerial Tower Only POM0931 Replace electronic tank fill valve switch. 4-18 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 57: Periodic Operation
The fluid return line, located at the top of the tank, should be cracked open when performing service on the hydraulic system to prevent siphoning of oil that is in the tank. Husky 3 Foam System / 4-19 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 58: Preventive Maintenance Checks And Service
Oil level between bottom of dipstick and line is sufficient 1362 Foam Tank Level Check foam concentrate level in the foam tank and fill as necessary. 4-20 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 59: Quarterly Inspection
Hydraulic Oil Sample previous test results, the oil does not have to be changed. Replace oil and filter (Pierce PN 2518612) if test results indicate oil degradation. Husky 3 Foam System / 4-21 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 60: 4-10. Recommended Hydraulic Oil For Husky 3 Proportioning System
Annually, obtain an oil sample and compare to previous results. If the current sample matches previous test results, the oil does not have to be changed. Replace oil and filter (Pierce PN 2518612) if test results indicate oil degradation.
Page 67 Hydraulic Oil Cooler ........Hydraulic Oil Filter ....... Hydraulic Oil Reservoir ......... 4-24 Hydraulic Schematic ........4-26 Electrical System ........4-19 Hydraulic Tank ......4-20 Explanation of Columns Husky 3 Foam System / Index-1 © 2022 Pierce Manufacturing Inc. All Rights Reserved.
Page 68 Priming (Charging) System ........Purpose of Manual ......... 4-21 Quarterly Inspection ....4-22 Recommendations, Hydraulic Oil Recommended Hydraulic Oil for Husky 3 ....4-22 Proportioning System Index-2 / Husky 3 Foam System © 2022 Pierce Manufacturing Inc. All Rights Reserved.