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HOAF thermHIT 75M User Instructions Download Page 39

Version date: February 13

th

, 2017

Troubleshooting  39

7

User instructions

HOAF thermHIT® 75M/100M/125M

Chapter 7 - Troubleshooting

7 Troubleshooting

This chapter provides information about 

solving possible problems.

7.1 Safety

Users are only allowed to perform the actions 

described below.

Maintenance and service activities must only be 

carried out by properly qualified personnel.

Always observe the safety instructions 

mentioned elsewhere in these User Instructions!

Always close the gas valves before checking the 

bottom of the HOAF thermHIT® 75M/100M/

125M or carrying out any work.

7.2 Overview of problems

1. Search

 the overview below for the problem that may apply in your situation.

2.

Next, use the problem's number to 

search

 the table following it to find a way 

to solve the problem.

1.

Nothing is happening.

2.

Gas is flowing (I can hear the solenoid valve opening) but the spark plug is 

not sparking.

3.

I can hear the spark plug sparking, but the burner is not igniting.

4.

The 

HOAF thermHIT® 75M/100M/125M

 is ignited, but the burners do not 

run over.

5.

The 

HOAF thermHIT® 75M/100M/125M

 is ignited, but goes off after a few 

seconds.

6.

The 

HOAF thermHIT® 75M/100M/125M

 is not burning evenly.

7.

The 

HOAF thermHIT® 75M/100M/125M

 turns on and off.

Summary of Contents for thermHIT 75M

Page 1: ... ED Oldenzaal The Netherlands Tel 31 541 530 400 support hoaf nl www hoaf nl Note At the back of this user manual there is a warranty certificate In order to obtain a one year warranty for the HOAF thermHIT 75M 100M 125M you have to return the certificate within 2 weeks of the purchasing date ...

Page 2: ...Edition Date Version 1 February 13th 2017 1 0 Version date February 13th 2017 2 ...

Page 3: ...out the safe use and maintenance of the HOAF thermHIT 75M 100M 125M Read these operating instructions carefully before using the HOAF thermHIT 75M 100M 125M This is the only way to ensure optimum safety The HOAF thermHIT 75M 100M 125M may only be used by sufficiently qualified personnel Keep these operating instructions with the HOAF thermHIT 75M 100M 125M ...

Page 4: ...P Version date February 13th 2017 4 Preface User instructions HOAF thermHIT 75M 100M 125M Preface ...

Page 5: ...IT 75M 100M 125M 14 2 3 Operation 14 2 4 Maintenance 14 2 5 Safety instructions 15 2 5 1 Influence of wind 16 2 5 2 Safety general 16 2 5 3 Safety in case of a burner with propane bottles 17 2 6 Safety devices 17 3 Installation 19 3 1 Unpacking and inspection 19 3 2 Making the unit ready for use 19 3 2 1 Positioning the gas bottle 20 3 2 2 Connecting the operating cabinet 22 4 Description 23 4 1 F...

Page 6: ...g the battery 35 6 Gas bottles 37 6 1 Gas bottles to be used 37 7 Troubleshooting 39 7 1 Safety 39 7 2 Overview of problems 39 7 3 Checks for service technicians 43 8 Settings 45 8 1 Spark plug 45 9 Maintenance 47 9 1 Safety during maintenance 47 9 2 Daily maintenance before and after use 47 9 3 Annual maintenance 48 10 Transport and storage 49 10 1 Transport 49 10 2 Storage 49 11 Disposing of the...

Page 7: ...h 2017 Contents 7 User instructions HOAF thermHIT 75M 100M 125M Contents Annex 2 Drawings A2 1 Spare parts list HOAF thermHIT 75M 100M 57 A2 2 Spare parts list HOAF thermHIT 125M 59 Annex 3 Quality control Annex 4 CE Declaration ...

Page 8: ...C User instructions HOAF thermHIT 75M 100M 125M Contents Version date February 13th 2017 8 Contents ...

Page 9: ...M 125M The HOAF thermHIT 75M 100M 125M may only be used by sufficiently qualified personnel 1 1 Related documents In addition to these user instructions the following documents accompany the HOAF thermHIT 75M 100M 125M CE declaration This is included in the Appendix 4 of this user manual 1 2 Manufacturer The HOAF thermHIT 75M 100M 125M was manufactured by HOAF Infrared Technology Münsterstraat 14 ...

Page 10: ...plus weedcontrolller Gas power 113 kW Gas consumption 8 kg h Gas type Propane Ignition 1 5 VDC Gas pressure 1 5 bar Serial number Gas supply Vapor take off Year of manufact Category I3P Norm DIN 3372 4 NOT FOR INDOOR USE HOAF Infrared Technology B V Mϋnsterstraat 14 7575 ED Oldenzaal The Netherlands Tel 31 0 541 530400 Internet www hoaf nl Fig 1 3 Machine identification plate HOAF thermHIT 125M HO...

Page 11: ...ight B H Nieuwe Weme Beheer B V All rights reserved No part of this publication may be used reproduced photocopied transmitted or stored in any retrieval system of any nature without the written permission of the copyright owner 1 6 Liability The manufacturer of the HOAF thermHIT 75M 100M 125M is not liable for unsafe situations accidents and damage resulting from Ignoring warnings or instructions...

Page 12: ...Version date February 13th 2017 12 Introduction 1 User instructions HOAF thermHIT 75M 100M 125M Chapter 1 Introduction ...

Page 13: ...sing the HOAF thermHIT 75M 100M 125M or carrying out maintenance to it 2 1 Safety symbols used in these User Instructions The following symbols are used in this user manual A tip on how a task can be carried out more efficiently Draws attention to possible problems Risk of damaging the HOAF thermHIT 75M 100M 125M if the instructions are not followed carefully Risk of serious injury to the user if ...

Page 14: ...ed personnel The safety instructions in these User Instructions must be observed Failing to observe these instructions may lead to unacceptable risks The user must be aware of the full contents of this User Instructions 2 4 Maintenance The HOAF thermHIT 75M 100M 125M may only be maintained by qualified personnel The safety instructions in these User Instructions must be observed Failing to observe...

Page 15: ...us situations The HOAF thermHIT 75M 100M 125M is solely intended for use with propane in liquid phase liquid intake Do not use gas bottles for gas supply gas intake Never use the HOAF thermHIT 75M 100M 125M with butane gas The HOAF thermHIT 75M 100M 125M should only be used on a paved surface It is never permitted to fire the HOAF thermHIT 75M 100M 125M by means of matches or a lighter It is not p...

Page 16: ...ing out maintenance to it Only use the HOAF thermHIT 75M 100M 125M in the open air Do not use the HOAF thermHIT 75M 100M 125M on flammable dry crops Remove any flammable waste such as paper and plastic from the terrain before starting the HOAF thermHIT 75M 100M 125M The HOAF thermHIT 75M 100M 125M may not be used in the vicinity of explosive gases vapours or other hazardous substances Do not burn ...

Page 17: ...de and water If the HOAF thermHIT 75M 100M 125M is operated correctly use of the HOAF thermHIT 75M 100M 125M is completely safe However always take the following precautions Propane becomes explosive when mixed with air Therefore HOAF thermHIT 75M 100M 125M must be treated with great care Should you observe any damage to the gas supply immediately switch off the HOAF thermHIT 75M 100M 125M Do not ...

Page 18: ...ective cover is provided with ventilation holes The protection plate can be easily disassembled for maintenance or repair 2 Ionisation protection After the burner has been ignited the spark plug will sense whether there is a flame present by means of an ionisation protection If a flame is no longer present the automatic firing device will automatically attempt to ignite the burner for five seconds...

Page 19: ...he delivery the packaging of the HOAF thermHIT 75M 100M 125M consists of one box 1 Check the packaging for damage Contact your dealer if there is any damage 2 If the packaging is not damaged unpack the HOAF thermHIT 75M 100M 125M 3 The HOAF thermHIT 75M 100M 125M is ready for use after you have installed a gas bottle See the next section 3 2 Making the unit ready for use For background information...

Page 20: ...ner is mounted on the frame 2 Check to make sure the hose connection is present and undamaged before connecting the gas bottle 3 Check to make sure the sealing ring is present in the connection and that it is undamaged Replace the sealing ring if necessary 4 Connect the gas hose to the gas bottle Tighten the nut with a wrench Note The gas connection has a counter clockwise thread Fig 3 1 Positioni...

Page 21: ...o the connection Observe to see whether any gas bubbles are forming Repeat this procedure each time you connect a gas bottle to the HOAF thermHIT 100M If no gas bubbles form the connection is correctly installed The HOAF thermHIT 100M is now ready for use The HOAF thermHIT 75M 100M 125M is solely intended for use with propane in liquid phase liquid intake Do not use gas bottles for gas supply gas ...

Page 22: ...use holder with fuse in the plus wire The capacity of the required fuse is found in Appendix 1 Specifications 5 Connect the brown and the blue wire the plus and minus wire respectively to the plus and minus terminal of the vehicle s battery The wires are provided with PLUS and MINUS indications Take care not to mix up the plus and minus wires when connecting to the battery Note The HOAF thermHIT 7...

Page 23: ... and other paved or semi paved surfaces At a speed of 5 kilometres per hour you can treat approximately 3750 m2 with the HOAF thermHIT 75M 5000 m2 with the HOAF thermHIT 100M and 6250 m2 with the HOAF thermHIT 125M The HOAF thermHIT 75M 100M 125M is provided with burners for A direct transfer from flame to plants and soil A heat resistant wire mesh provided under the burner will glow so that infra...

Page 24: ...of infrared radiation By exposing the weed seed to intensive infrared radiation for a short moment the proteins coagulate This will cause the walls of the moisture cells to expand which will make the plants wither This process is reinforced by the powerful hot air stream coming from the burner Thanks to the combination of infrared radiation and hot air the natural withering process is achieved in ...

Page 25: ...n the picture Take care not to bend the spark plug when cleaning the HOAF thermHIT 75M 100M 125M The HOAF thermHIT 75M 100M 125M incorporates a bleed valve that is activated when the pressure increases too much in the system 4 2 3 Vaporiser In order to make the liquid gas from the gas cylinder gaseous a vaporiser is wound around the fifth and sixth burner head of the HOAF thermHIT 75M 100M 125M 1 ...

Page 26: ...5M Chapter 4 Description 4 3 Overview of the HOAF thermHIT 75M 100M 125M Fig 4 5 HOAF thermHIT 75M 1 2 3 Fig 4 6 HOAF thermHIT 100M 4 3 2 1 Fig 4 7 HOAF thermHIT 125M 3 2 2 1 1 The burner hood with the burners on the underside 2 Gas bottle container 3 Three point suspension 4 Operating cabinet ...

Page 27: ...tion Fig 4 9 Air guide cap option The HOAF thermHIT 75M and HOAF thermHIT 100M can be provided with an air guide cap This provision is placed at the front of the burner cap The air guide cap ensures that the outlet of hot air at the front of the burner cap to a large extent flows out to the right This makes it possible to treat weeds around obstacles and in gutters on the right side of the burner ...

Page 28: ...Version date February 13th 2017 28 Description 4 User instructions HOAF thermHIT 75M 100M 125M Chapter 4 Description ...

Page 29: ...er to avoid damage to the soil you have to start driving the HOAF thermHIT 75M 100M 125M immediately upon firing it up Drive the HOAF thermHIT 75M 100M 125M slowly enough to heat the weeds but not so slowly that they catch fire The working speed depends on the type and the density of the weeds that are to be treated and the weather conditions It is not the objective to burn the weeds It is only ne...

Page 30: ...fect of every Infraplus treatment is the partial cause for a sustained reduction of the weeds 5 2 2 Determining the moment of the treatment In order to determine the most appropriate moment for treatment the surface that is to be treated must be carefully considered in addition to the weather conditions and the growth power of the plants Particularly during the first year of treatment the time int...

Page 31: ...effectively and the working speed has been chosen correctly In addition to this the plant is visibly weaker If there is no dark green discolouration the machine was driven too fast If the weeds are blackened or charred the machine was driven to slowly 5 2 4 Influence of wind Be careful if there is a strong wind blowing Wind may seriously affect the flames In that case Flames may be stifled underne...

Page 32: ...ion for leakages Method Spray some leak detection spray onto the hose and the connection nuts If any gas bubbles show up there is a leak If that is the case close the gas valve and remove the hose Check the hose on the inside for dirt and check the sealing ring Repeat the check by means of the leak detection spray 8 Suspend the HOAF thermHIT 75M 100M 125M just above the ground 9 Start the tool car...

Page 33: ...of the HOAF thermHIT 75M 100M 125M The sliding carriages are there to protect the burner hood from minor unevenness on the ground In order to prevent heat loss the HOAF thermHIT 75M 100M 125M must be moved along close to the ground Drive slowly The final result depends on Distance of the burners to the vegetation Speed Type of vegetation Density of the vegetation Weather conditions during and afte...

Page 34: ... Turn the key switch to 0 2 Wait until the gas hose is empty and the burners extinguish The burner is faltering 3 Stop the tool carrier 4 Close the gas bottle Careful Allow the HOAF thermHIT 75M 100M 125M to cool before you leave the HOAF thermHIT 75M 100M 125M near flammable materials Fig 5 6 Switch off 1 Fig 5 7 Switch off 2 4 ...

Page 35: ... failure to ignite the burners can have several causes The gas bottle is empty The gas valves are not open The burners are clogged with dirt The spark plug is damaged or bent Check the above points if you have recharged the battery and it still not ignites Position the battery charger in the control panel The control panel is provided on the side with a connector plug in which a battery charger ca...

Page 36: ...Version date February 13th 2017 36 Operation 5 User instructions HOAF thermHIT 75M 100M 125M Chapter 5 Operation ...

Page 37: ...bottles that are allowed in the Netherlands Gas bottle with PROPANE in LIQUID phase liquid intake May only be used in HORIZONTAL position The HOAF thermHIT 75M 100M 125M is solely intended for use with propane in liquid phase liquid intake Do not use gas bottles for gas supply gas intake Never use the HOAF thermHIT 75M 100M 125M with butane gas Keep gas bottles away from the hot gases that are spr...

Page 38: ...Version date February 13th 2017 38 Gas bottles 6 User instructions HOAF thermHIT 75M 100M 125M Chapter 6 Gas bottles ...

Page 39: ...ottom of the HOAF thermHIT 75M 100M 125M or carrying out any work 7 2 Overview of problems 1 Search the overview below for the problem that may apply in your situation 2 Next use the problem s number to search the table following it to find a way to solve the problem 1 Nothing is happening 2 Gas is flowing I can hear the solenoid valve opening but the spark plug is not sparking 3 I can hear the sp...

Page 40: ...ion can be found please contact the dealer 2 Gas is flowing I can hear the solenoid valve opening but the spark plug is not sparking 1 Check the distance between the tip of the spark plug and the outer wall of the burner opening this should be approximately 3 4 mm Note Close the gas valve and turn the key switch to 0 before you check this distance 2 Check the spark plug cable for damage 3 Check th...

Page 41: ...re you check this distance 4 Close the gas valve and check that there is no dirt under the HOAF thermHIT 75M 100M 125M at the burners Make sure the nozzles are open 5 Check that the HOAF thermHIT 75M 100M 125M is in the lowest horizontal position In this position the ignition operates in the best possible way 6 If no solution can be found please contact the dealer 4 The HOAF thermHIT 75M 100M 125M...

Page 42: ...rk plug is in the middle of the flame during burning Method Light the burner lift the burner and look at least 2 meters behind the burner if the tip of the spark plug is in the middle of the flame 5 Close the gas valve and check that there is no dirt under the HOAF thermHIT 75M 100M 125M at the burners 6 Make sure the nozzles are open Method Ignite the burner lift the burner and look at least 2 me...

Page 43: ... Method Visually inspect and clean if necessary Ignite the burner if possible Lift the burner housing and check that all the burners regularly burn Make sure to keep sufficient distance when you look under the HOAF thermHIT 75M 100M 125M Warning The burners may only be ignited in the open air 2 Check that the tip of the spark plug is in the middle of the flame during the process See section 8 1 Sp...

Page 44: ...Version date February 13th 2017 44 Troubleshooting 7 User instructions HOAF thermHIT 75M 100M 125M Chapter 7 Troubleshooting ...

Page 45: ...es the different settings of the HOAF thermHIT 75M 100M 125M 8 1 Spark plug The distance between the tip of the spark plug and the side of the burner head this should be approximately 3 to 4 mm The correct setting is shown in the figure below Fig 8 1 Spark plug Take care not to bend the spark plug when cleaning the HOAF thermHIT 75M 100M 125M ...

Page 46: ...Version date February 13th 2017 46 Settings 8 User instructions HOAF thermHIT 75M 100M 125M Chapter 8 Settings ...

Page 47: ...ly qualified personnel Make sure the gas valves of the gas bottles are closed Always observe the safety instructions mentioned elsewhere in these User Instructions 9 2 Daily maintenance before and after use 1 Remove any plant remains from in and around the burner hood Make sure the HOAF thermHIT 75M 100M 125M has cooled down sufficiently before removing these Use a dry cloth to clean the HOAF ther...

Page 48: ...ntained by sufficiently qualified personnel Make sure the gas valves of the gas bottles are closed Always observe the safety instructions mentioned elsewhere in these User Instructions 1 Clean all burners Remove soot and dirt 2 Check the gas hoses and connections for leakage 3 Check the spark plug connections 4 Check the condition and the position of the spark plug 5 Check all electrical connectio...

Page 49: ...hermHIT 75M 100M 125M 10 1 Transport Be careful when transporting the HOAF thermHIT 75M 100M 125M Note Allow the burner to cool first before hoisting and or transporting 10 2 Storage 1 Always remove the gas bottle from the HOAF thermHIT 75M 100M 125M when not in use for extended periods Store the gas bottle in the appropriate place regulations 2 Remove the battery Allow the HOAF thermHIT 75M 100M ...

Page 50: ...Version date February 13th 2017 50 Transport and storage 10 User instructions HOAF thermHIT 75M 100M 125M Chapter 10 Transport and storage ...

Page 51: ...s chapter contains instructions concerning the disposing of the HOAF thermHIT 75M 100M 125M 11 1 Environmental aspects Disposing of the HOAF thermHIT 75M 100M 125M is to be done according to the laws and regulations of the country where the HOAF thermHIT 75M 100M 125M is used Think for example about the environmentally friendly way to recycle or dispose of Electronics Battery ...

Page 52: ...Version date February 13th 2017 52 Disposing of the machine 11 User instructions HOAF thermHIT 75M 100M 125M Chapter 11 Disposing of the machine ...

Page 53: ...25M A1 1 Technical information HOAF thermHIT 75M Gas Type propane Gas supply gas bottles tank liquid intake Gas pressure 1 5 bar Gas consumption per hour max 6 0 kg Power 85 kW Temperature average approx 1000 C Ignition Battery Inspection Safety CE Gas technical inspection DIN 3372 4 and DGP approved Weight HOAF thermHIT 75M 40 kg Dimensions Working width 750 mm Performances At maximum power max 3...

Page 54: ...pply gas bottles tank liquid intake Gas pressure 1 5 bar Gas consumption per hour max 8 0 kg Power 113 kW Temperature average approx 1000 C Ignition Battery Inspection Safety CE Gas technical inspection DIN 3372 4 and DGP approved Weight HOAF thermHIT 100M 50 kg Dimensions Working width 1050 mm Content gas bottle 10 5 kg Performances At maximum power max 5000 m2 at a working speed of 5 km h ...

Page 55: ...ropane Gas supply gas bottles tank liquid intake Gas pressure 1 5 bar Gas consumption per hour max 10 0 kg Power 1 4 kW Temperature average approx 1000 C Ignition Battery Inspection Safety CE Gas technical inspection DIN 3372 4 and DGP approved Weight HOAF thermHIT 125M 65 kg Dimensions Working width 1250 mm Performances At maximum power max 6250 m2 at a working speed of 5 km h ...

Page 56: ...Version date February 13th 2017 56 Specifications A1 User instructions HOAF thermHIT 75M 100M 125M Annex 1 Specifications ...

Page 57: ...A2 User instructions HOAF thermHIT 75M 100M 125M Annex 2 Drawings Version date February 13th 2017 Drawings 57 Annex 2 Drawings A2 1 Spare parts list HOAF thermHIT 75M 100M Overview drawing spare parts ...

Page 58: ...REGULATOR ADJUSTED 20000072 5 FLEXIBLE CONNECTION HOSE 20000036 6 OPERATING CABINET 20000218 7 AUTOMATIC FIRING DEVICE 90007980 8 GAS VALVE ELECTRICAL 90007912 9 INSULATION PACKAGE 10 PLASTIC RING GAS CONNECTION 12 SPARK PLUG 20000040 13 IGNITION BURNER HEAD 20000075 14 VAPORISER HOAF thermHIT 75M VAPORISER HOAF thermHIT 100M 90008236 90008251 15 WHEEL HOAF thermHIT 75M 100M 125M WITH CAP 90029940...

Page 59: ...A2 User instructions HOAF thermHIT 75M 100M 125M Annex 2 Drawings Version date February 13th 2017 Drawings 59 A2 2 Spare parts list HOAF thermHIT 125M Overview drawing spare parts ...

Page 60: ...EAD 20000076 4 PRESSURE REGULATOR ADJUSTED 20000072 5 FLEXIBLE CONNECTION HOSE 20000036 7 AUTOMATIC FIRING DEVICE 90007980 8 GAS VALVE ELECTRICAL 90007912 10 INSULATION PACKAGE 11 PLASTIC RING GAS CONNECTION 18x12x2 90026202 13 SPARK PLUG 20000040 14 IGNITION BURNER HEAD 20000075 15 VAPORISER HOAF thermHIT 125M 90008251 16 WHEEL HOAF thermHIT 75M 100M 125M WITH CAP 90029940 90000396 IGNITION BURNE...

Page 61: ...lified personnel HOAF Infrared Technology declares that your HOAF thermHIT 75M 100M 125M has been checked for its quality and has been approved HOAF Infrared Technology advises you to send the warranty form fully completed You can find it in Appendix A5 HOAF Infrared Technology gives a 12 month guarantee on your HOAF thermHIT 75M 100M 125M See section 1 4 for more information CONTROL FORM HOAF THE...

Page 62: ...Version date February 13th 2017 62 Quality control A3 User instructions HOAF thermHIT 75M 100M 125M Annex 3 Quality control ...

Page 63: ...ons HOAF thermHIT 75M 100M 125M Annex 4 CE Declaration Version date February 13th 2017 CE Declaration 63 Annex 4 CE Declaration This Appendix contains the CE declaration of conformity of the HOAF thermHIT 75M 100M 125M ...

Page 64: ...Version date February 13th 2017 64 CE Declaration A4 User instructions HOAF thermHIT 75M 100M 125M Annex 4 CE Declaration ...

Page 65: ...omer Name Street address Postcode Place Country Signature dealer Signature customer Fill in the certificate cut it out of the operating instructions fold it in two and staple the ends together The address is already printed on the back of this form all you need to do is put on a stamp 125M ...

Page 66: ...HOAF Infrared Technology Münsterstraat 14 7575 ED Oldenzaal The Netherlands Place stamp here ...

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