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USER MANUAL

MFU 50-150

Mobile foam unit

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Summary of Contents for MFU 50-150

Page 1: ...USER MANUAL MFU 50 150 Mobile foam unit ...

Page 2: ...ption 10 3 2 Front covers removed 11 3 3 Back cover 12 4 Delivery unpacking transportation 13 4 1 Shipping 13 4 2 Unpacking 13 4 3 Moving and transport 13 5 Water and operation conditions 14 5 1 Water supply 14 5 2 When mounted stationary 14 5 3 When mounted on vehicles 14 6 Installation and initial start up 15 6 1 Mounting 15 6 2 Initial start up 16 7 Operating 17 7 1 Control panel overview 17 7 ...

Page 3: ...e and pressure adjustment 26 10 4 The high pressure system 27 10 5 Electrical troubleshooting 28 11 Maintenance and service 29 11 1 Safety during maintenance and repair 29 11 2 Inspection and maintenance schedule 29 11 3 Maintenance and care after every use 30 11 4 Monthly inspection 30 11 5 Half yearly and yearly inspection 30 11 6 Diaphragm pump 31 11 6 1 Oil level 31 11 6 2 Oil change 32 11 6 3...

Page 4: ...the machine are maybe not included in this manual yet Such technical changes are expressly reserved No content of this manual shall be reproduced or forwarded to others without our written permission All technical specifications and drawings are subject of copyright 1 1 Content of delivery Autarkic high performance extinguishing system for jetting water and or foam consisting of the following comp...

Page 5: ...in this manual 1 3 Symbols and signal words Please follow all instructions hazard symbols and warnings in this manual in the interest of safety for operators environment and device Symbol Meaning Indication of possible dangerous situations Disregard may result in damage to the machine and its vicinity and hazard to the operator and or other persons ATTENTION This symbol marks all information requi...

Page 6: ...system of pressure Restore the technically perfect condition before restart Be extremely cautious when fighting fire near electrical installations Set the jet gun into spray mode and keep as much distance as possible to live parts Protect the unattended MFU against unauthorized use by removing the ignition key 2 1 Acting in an emergency If the running MFU causes a hazardous situation immediately p...

Page 7: ...s with regard to environmental protection 2 5 Professional repair and maintenance Repairs of high pressure components pump safety valve hoses and pipes the gasoline engine or the electrical system may be performed by qualified persons only All spare parts for high pressure applications must have the appropriate accreditation Use only approved original spare parts for pump and engine For damage cau...

Page 8: ...rotected Nevertheless avoid dirt chemicals splash water and dampness around the device whenever possible Disconnect the negative terminal of the battery when working on the engine and or the electrical system DANGER Risk of short circuit or electric shock In case of damage to the electrical system Never touch bare wires or voltage leading components if the engine is running or the ignition is acti...

Page 9: ...re and burns Do not store flammable or heat sensitive objects in the immediate area of the exhaust IMPORTANT When changing the battery follow these rules Work only with proper tools open end wrench size 10 For disconnecting the terminals Remove negative pole first black wire For reconnecting the terminals Attach positive pole first red wire Isolate the positive terminal with the supplied plastic c...

Page 10: ...rves water for extinguishing or refilling can be sucked from an external source via the suction intake C coupling at the front At the control panel either water foam or idling mode is switchable by a simple push of a button Water goes at full throttle to the jet gun or at idle speed back to the bypass line In case of malfunction or reduced throughput a safety valve protects the system from overpre...

Page 11: ...justable foam proportioner 4 Foam agent tank 5 Adjustable turbo gun 6 Fire hose on automatic reel 7 Attachment points universal mounting rails 8 Diaphragm pump with gear 9 Standard C coupling for suction hose 10 Gasoline engine fuel tank 11 Solenoid valves for water foam function 12 Pressure valve for pulsation damper 12 11 10 9 8 7 6 5 4 12 3 2 1 ...

Page 12: ... 12 Volt Power plug DIN 14690 3 Connector for Remote control 4 Exhaust pipe 5 Connection for water tank C coupling 6 Tank or suction mode switchover 7 Connection for Tank reflux bypass 8 Connection to suction port on front C coupling 9 Drain cock of foam agent tank 10 Water filter 8 6 5 4 12 3 2 1 9 7 10 ...

Page 13: ...it in accordance with applicable national environmental regulations 4 3 Moving and transport The MFU has no suspension points For moving we recommend to set the machine with the supplied mounting rails on a wooden pallet When lifting use an appropriate crane with hitch for pallets a suitable forklift or a pallet truck The unit comes without fuel and chemicals Please fill in the appropriate fluids ...

Page 14: ...stay between 3 to 45 C Keep the temperature rise of longer operating times in mind The place of installation has to be dry frost safe and free of dust The unit must be leveled with 5 cm minimum distance to the ground The system should be easily accessible from all directions for maintenance and cleaning No heat sensitive objects in the immediate vicinity of the exhaust system No flammable gases or...

Page 15: ...of rails and MFU over time Check the tightness of all mounting screws periodically We recommend the use of silicon grease on the gaskets of the couplings to avoid leaks and facilitate opening Connect the water tank via a hose with C couplings at both ends Avoid leaks to prevent water loss and reduced performance due to air bubbles Connect the bypass line via the supplied extension hose to the tank...

Page 16: ...ry see page 32 section 11 6 3 Correct pressure 7 0 bar 102 PSI 4 Turn the ball valve lever 6 into tank position When using the floating filter turn the lever 6 into external position Bring the filter to water and connect the hose with the suction intake 9 of the MFU see page 22 section 7 9 and 7 10 5 Connect the battery The MFU is shipped with disconnected ground terminal Use a proper wrench size ...

Page 17: ... oil Before and after start and stop the engine does not require any further operation 7 1 Control panel overview 1 1 EMERGENCY STOP button unlocking by turning clockwise 2 Fault lamp override button indicates low water or pressed EMERGENCY STOP 3 Start button starts the engine NOTE must be pressed together with Override 2 4 Ignition lock image without key 5 Standby bypass function at idle speed 6...

Page 18: ...on has to be in unlocked position and the intake sensor must report sufficient water level 1 Turn the ignition switch 4 into position ON The green STANDBY button 5 lights up 2 Press Override 2 and START 3 together as soon as the engine is running release it ATTENTION If the engine will not start do not push the button for longer than 10 seconds Allow the starter to cool down before trying again We...

Page 19: ...e engine shuts down the fuel line is closed the ignition and electrical control is inactive and the bypass valve opens After standstill actuate the jet gun to relief residual pressure To make the MFU ready for restart turn the EMERGENCY STOP button 1 clockwise Before shutting off we strongly recommend cooling down the engine at idling speed for about two minutes The exhaust and its surroundings ar...

Page 20: ...isible at the transparent front panel the capacity is app 20 liters At last close the cap again The amount of foam concentration is steplessly adjustable up to 6 at the knob of the right console ATTENTION We recommend cleaning the hose during reeling up When rolling up the hose pay attention to crossing free and gapless layering Drain cock closed Foam agent tank cap ATTENTION Extinguishing agent i...

Page 21: ...ater is diverted into the bypass line 1 2 1 Jet mode setting Turn the red Ring at the Nozzle to adjust the jet mode from full stream to spray 2 Flow rate setting Turn the fluted collar to set the throughput to 40 80 or 130 liters min ATTENTION Drain the water from the mechanics after every use Press and hold the pushbutton at the rear end and swing the gun a few times down After turning off the MF...

Page 22: ... filter and flushing Thorough cleaning of the entire system after every use is crucial for smooth operation reliability and optimum lifespan of the MFU Remove any dirt or chemical residues with clear water do not use any solvents Clean the grating of the floating filter from foreign objects If foam was jetted or seawater pumped the system must be thoroughly rinsed and cleaned afterwards When using...

Page 23: ...ert 3 into the cap 2 and close the housing 4 Screw the retainer ring 1 back onto the housing 4 Tightening by hand is sufficient do not use tools 8 2 Flushing To flush the system fill the tank or an external container with clean water If a water tank is used set the lever of the ball valve into Tank position For flushing from external water source set the lever to External position Start the MFU an...

Page 24: ...ow on oil c Other engine fault dirty air filter defective spark plug overheating a Fill up fuel according to user manual b Check engine oil refill if needed c Check tightness of spark plug and connector When pushing START Button shows no reaction or starter does not crank completely a EMERGENCY STOP button is locked red light on b Battery discharged or defective c Bypass valve not open stuck a Unl...

Page 25: ...ard In the event of overheating or low oil level the engine switches off automatically In such case ensure sufficient supply of fresh air or respectively refill engine oil Most further engine problems like poor starting rough idling misfires etc are related to the fuel and ignition system or the air intake with its filter Please refer to the engine manual to localize and eliminate such a problem w...

Page 26: ...For this the MFU has to be running in WATER mode with the jet gun NOT actuated First push the bow shaped metal lever from horizontal into the full upper position 1 The safety valve is now conducting pressure and water into the bypass Only in this position the pressure is adjustable by turning the green Handwheel 2 Set the lever back to working horizontal position and check the new output pressure ...

Page 27: ... sheath by aging exposure to light chemicals etc Leaks in hoses or their screw connections All kinds of other damage ATTENTION Only use approved high pressure hoses of same type for replacement They are specific adapted to operating pressure flow rate and temperature Leaks at the fittings of high pressure tubes can be occur in the course of time by vibrations They are often fixable by tightening t...

Page 28: ... the following fuses ATTENTION Before closing the box lubricate the seal with silicone grease and pay attention to correct fit of the cover DANGER Replace defective fuses only with those of same type and amperage Stronger fuses or shorting can damage the electrical system Before checking the fuses or opening the switch box turn off the ignition Disconnect the negative terminal at the battery befor...

Page 29: ...ce damage Attach and close all protective covers before recommissioning Work at the high pressure system pump hoses and fittings only if the system is pressure free Turn the ignition off and actuate the jet gun to relieve residual pressure Never tighten leaky fittings while the engine is running Repairs of the electrical system by qualified personnel only Be careful when handling fuel gasoline is ...

Page 30: ...g hours Next change every 100 hours Change of pump oil is required after the first 50 operating hours Next change every 500 hours Oil level check of the reduction gear First change of oil after 50 operating hours Next change every 500 hours Check of battery attachment charging status and connections Recharge if necessary Lubricate the terminals slightly with silicone grease to avoid corrosion 11 5...

Page 31: ...The Pump must be repaired by a qualified specialist Drain the oil before removal ATTENTION Seawater strongly expedites corrosion dried salt crystals harm rubber paint and all surfaces Use it only when no other water supply is available Wash and rinse the entire system including tank very thoroughly afterwards ATTENTION First oil change after no more then 50 operating hours but sooner if condensati...

Page 32: ...lity oil SAE 30 15W40 only Required filling quantity 2 0 liters Close the oil cap 11 6 3 Pulsation damper Check the pumps pre pressure 7 bar 102 psi periodically and readjust it if necessary To do this remove the protective cap on the air valve of the pump see arrow and connect a precise pressure gauge for tire inflation Too high or low pressure may cause strong pulsations at the jet gun and press...

Page 33: ...using top first Place a suitable container underneath the gear housing for collecting the waste oil Remove the checking screw 2 at the side and the draining screw 3 at the bottom After the oil has completely drained out place back the draining screw 3 and tighten it We recommend the replacement of the gasket Fill in slowly new transmission oil of type SAE 85W 140 until it leaks out of the opening ...

Page 34: ... 320470 Diaphragm pump with reduction gear 320480 Automatic hose reel 320490 Solenoid valve for water or foam closed when powerless 320500 Solenoid valve for bypass open when powerless 320510 Sealing ring for C couplings 320520 Automatic air separator vent valve 320530 Foam proportioning unit 320540 Turbo jet gun with swivel joint 320550 Fire hose 28 m 320560 Attachable Foam thrower for Turbo jet ...

Page 35: ...ressure max 50 bar Foam agent tank 25 l Engine Type Briggs Stratton Vanguard Gasoline Cylinder 4 stroke 627 cubic cm Power 17 2 kW 23 horsepower at 3 600 rpm Maximum torque 29 8 Nm at 2 500 rpm Fuel capacity 7 5 liters Engine oil 1 4 liters Battery 12Volts 40Ah maintenance free Alternator max 16 Amp Load charging current Pump and gear Type High pressure diaphragm pump with reduction gear Oil volum...

Page 36: ...Alter Postweg 96 D 86159 Augsburg Tel 49 821 720 47 70 Fax 49 821 720 47 99 Internet www hne ag com Mail info hne ag com Should you require any further information or help please contact Sales Service Singapore HNE Singapore Pte Ltd No 99 Kaki Bukit Av 02 08 SG 415984 Singapore Tel 65 67475480 Mobile 65 91089177 Internet www hne ag com Mail bhimsen hne ag com ...

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