Fayat Dynapac DFP7AX Operating Instruction, Maintenance Instruction
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Fayat Dynapac DFP7AX Operating Instruction, Maintenance Instruction

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Operating Instruction/Maintenance Instruction
Original Operating Instructions
DFP7AX
Forward plate
S/N 101 925 35 1001> / S/N 101 925 24 1001>
DL8 204 78 EN
© 08/2019

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Summary of Contents for Fayat Dynapac DFP7AX

  • Page 1 Operating Instruction/Maintenance Instruction Original Operating Instructions DFP7AX Forward plate S/N 101 925 35 1001> / S/N 101 925 24 1001> DL8 204 78 EN © 08/2019...
  • Page 2 WARNING: Breathing diesel engine exhaust exposes you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Always start and operate the engine in a well-ventilated area. If in an enclosed area, vent the exhaust to the outside. Do not modify or tamper with the exhaust system.

  • Page 3: Table Of Contents

    Table of contents Table of contents Introduction............................7 1.1 Foreword............................8 1.2 Machine type plate and engine type plate................10 Technical data............................11 2.1 Noise and vibration data......................14 2.1.1 Noise data..........................14 2.1.2 Vibration data..........................14 Concerning your safety........................15 3.1 Basic prerequisites........................
  • Page 4 Table of contents 3.9.5 After maintenance work......................32 3.10 Repair............................33 3.11 Signage............................34 3.12 Safety components........................39 Indicators and control elements......................41 4.1 Engine............................42 4.1.1 Overview............................ 42 4.1.2 Engine stop switch........................42 4.1.3 Throttle lever..........................43 4.1.4 Choke lever..........................43 4.1.5 Recoil starter..........................
  • Page 5 Table of contents 8.6 Weekly............................82 8.6.1 Checking, cleaning the air filter....................82 8.7 Semi-annually..........................85 8.7.1 Changing the engine oil......................85 8.8 Annually............................86 8.8.1 Replacing the spark plug......................86 8.8.2 Checking, adjusting the valve clearance..................86 8.8.3 Cleaning the slurry filter and fuel strainer................... 88 8.8.4 Replacing the V-belt........................
  • Page 6 Table of contents DFP7AX...

  • Page 7: Introduction

    Introduction Introduction DFP7AX...

  • Page 8: Foreword

    Introduction – Foreword 1.1 Foreword These operating and maintenance instructions are part of your machine. They provide necessary information to operate your machine safely and properly. They also contain information on required operating, maintenance and repair measures. Carefully read the operating and maintenance instructions before taking your machine into operation.
  • Page 9 Introduction – Foreword The above notes do not constitute an extension of the warranty and liability conditions specified in the general sales and delivery conditions of Dynapac GmbH. We wish you successful work with your Dynapac machine. DFP7AX...

  • Page 10: Machine Type Plate And Engine Type Plate

    Introduction – Machine type plate and engine type plate 1.2 Machine type plate and engine type plate Please enter here: Machine type (1): Made by Designation Type Serial number (2): Nominal Power Operating Mass Year of Construction Serial-No. Ammerländer Str. 93 D-26203 Wardenburg Made in Germany B-924-0001...

  • Page 11: Technical Data

    Technical data Technical data DFP7AX...
  • Page 12 Technical data Dimensions B-230-0101 Fig. 3 1084 (25.9) (37.9) (27.6) (42.7) (21.5) (19.7) Dimensions in millimetres (Dimensions in inch) Weights Operating weight (CECE) (181) (lbs) Basic weight (163) (lbs) Transport wheels (optional equipment) (+ 11) (lbs) DFP7AX...
  • Page 13 Technical data Travel characteristics Max. working speed m/min (98) (ft/min) Max. gradability (depending on soil) Drive Engine manufacturer Honda Type GX 120 Cooling Number of cylinders Rated power SAE J 1349 (3.5) (hp) Rated speed 3600 Drive system mechanical Exciter system Frequency (6000) (vpm)

  • Page 14: Noise And Vibration Data

    Technical data – Noise and vibration data 2.1 Noise and vibration data The following noise and vibration data were determined in accord- ance with the following guidelines under equipment specific condi- tions and by using harmonized standards: EU Machine Directive edition 2006/42/EU Noise Emission Directive 2000/14/EU, Noise Protection Direc- tive 2003/10/EU Vibration Protection Directive 2002/44/EU...

  • Page 15: Concerning Your Safety

    Concerning your safety Concerning your safety DFP7AX...

  • Page 16: Basic Prerequisites

    Concerning your safety – Basic prerequisites 3.1 Basic prerequisites 3.1.1 General This machine has been built in compliance with the latest technical standard and complies with the applicable regulations and tech- nical rules. However, dangers for persons and property may arise from this machine, if: it is used for purposes other than the ones it is intended for, it is operated by untrained personnel,...

  • Page 17: Personal Protective Equipment

    Concerning your safety – Basic prerequisites CAUTION! Danger of injury if failing to comply! Sections marked accordingly indicate a dangerous situation that could lead to fatal or severe injuries, if this warning is disregarded. NOTICE! Danger of material damage if failing to comply! Sections marked accordingly indicate possible dangers for machines or components.

  • Page 18: Intended Use

    Concerning your safety – Basic prerequisites Safety goggles To protect the eyes against airborne particles and squirting fluids. Face protection To protect the face against airborne particles and squirting fluids. Hard hat To protect the head against falling parts and to protect against injuries.

  • Page 19: Estimated Service Life Of The Machine

    Concerning your safety – Basic prerequisites Examples for improper use are: dragging the machine along as a measure of transportation throwing the machine off the transport vehicle attaching an additional weight to the machine It is not permitted to stand on the machine while working. Lifting tackle must be removed before starting work.

  • Page 20: Definition Of Responsible Persons

    Concerning your safety – Definition of responsible persons 3.2 Definition of responsible persons 3.2.1 Operating company The operating company is the natural or juridical person who uses the machine or in who's name the machine is used. The operating company must make sure that the machine is only used for the purpose it is intended for and in strict compliance with the safety regulations mentioned in these operating and mainte- nance instructions.
  • Page 21 Concerning your safety – Definition of responsible persons have made himself familiar with the operation of the machine, be physically and psychologically able to drive and operate the machine. Persons under the influence of alcohol, medication or drugs are not allowed to operate, service or repair the machine.

  • Page 22: Basic Safety Regulations For Safe Operation

    Concerning your safety – Basic safety regulations for safe operation 3.3 Basic safety regulations for safe operation 3.3.1 Remaining dangers, remaining risks Despite careful work and compliance with standards and regula- tions it cannot be ruled out that further dangers may arise when working with and handling the machine.

  • Page 23: Handling Fuels And Lubricants

    Concerning your safety – Handling fuels and lubricants 3.4 Handling fuels and lubricants 3.4.1 Preliminary remarks The operating company must ensure that all professional users have read and follow the corresponding safety data sheets for the individual fuels and lubricants. Safety data sheets provide valuable information about the following characteristics: name of substance...

  • Page 24: Safety Regulations And Environmental Protection Regulations For Handling Gasoline

    Concerning your safety – Handling fuels and lubricants 3.4.2 Safety regulations and environmental protection regulations for handling gas- oline DANGER! Danger to life caused by explosive gas-air mixes! – Do not allow gasoline to come into contact with hot components. –...

  • Page 25: Safety Regulations And Environmental Protection Regulations For Handling Fuel Stabiliser

    Concerning your safety – Handling fuels and lubricants 3.4.3 Safety regulations and environmental protection regulations for handling fuel stabiliser WARNING! Danger of burning by ignited fuel stabilizer! – Do not allow fuel stabilizer to come into contact with hot components. –...

  • Page 26: Safety Regulations And Environmental Protection Regulations For Handling Oil

    Concerning your safety – Handling fuels and lubricants 3.4.4 Safety regulations and environmental protection regulations for handling oil WARNING! Danger of burning by ignited oil! – Do not allow oil to come into contact with hot components. – Smoking and open fire is prohibited! –...

  • Page 27: Loading/Transporting The Machine

    Concerning your safety – Loading/transporting the machine 3.5 Loading/transporting the machine Make sure that persons are not endangered by the machine tipping or sliding off. Do not use damaged or in any other way impaired lashing points. Always use appropriate lifting and lashing means on the lifting and lashing points.

  • Page 28: Start Up Procedure

    Concerning your safety – Start up procedure 3.6 Start up procedure 3.6.1 Prior to starting up Use only machines which are serviced at regular intervals. Become acquainted with the equipment, the indicators and control elements, the working principle of the machine and the working area.
  • Page 29 Concerning your safety – Start up procedure Avoid operation in closed or partly closed rooms, or ensure ade- quate ventilation when working in trenches. DFP7AX...

  • Page 30: Operation

    Concerning your safety – Operation 3.7 Operation 3.7.1 Persons in the danger area Before taking up work, also after breaks, you should always con- vince yourself that the danger zone is free of persons or obstruc- tions. Give warning signals, if necessary. Stop work immediately if per- sons remain in the danger zone, despite the warning.

  • Page 31: Refuelling

    Concerning your safety – Refuelling 3.8 Refuelling Do not inhale any fuel fumes. Refuel only with the engine shut down. Do not refuel in closed rooms. No open fire, do not smoke. Keep away from ignition and heat sources. Apply measures against electrostatic charging. Do not spill any fuel.

  • Page 32: Maintenance Work

    Concerning your safety – Maintenance work 3.9 Maintenance work 3.9.1 Preliminary remarks Always carry out the prescribed maintenance work and mainte- nance measures on time in order to maintain the safety, opera- tional readiness and long service life of the machine. The machine must only be serviced by qualified personnel author- ised by the operating company.

  • Page 33: Repair

    Concerning your safety – Repair 3.10 Repair Identify a defect machine with a warning sign. Only operate the machine after it has been repaired. When replacing safety relevant components, only original spare parts must be used. Repairs must only be performed by an expert/qualified person. When performing welding work on the machine you should cover the fuel tank with insulating material.

  • Page 34: Signage

    Concerning your safety – Signage 3.11 Signage Keep stickers and signage in good and legible condition and comply with their meaning. Replace damaged and illegible stickers or signage immediately. WARNING California Proposition 65 Warning This product contains chemicals that cause cancer + chemicals that are reproductive toxicants Made by Designation...
  • Page 35 Concerning your safety – Signage Warning sticker - Follow operating instructions Fig. 7 Warning sticker – California Proposition 65 WARNING California Proposition 65 Warning This product contains chemicals that cause cancer + chemicals that are reproductive toxicants B-DEC-0316 Fig. 8 Instruction sticker - Wear ear defenders Fig.
  • Page 36 Concerning your safety – Signage Information sticker - Lashing point Fig. 11 Information sticker - Guaranteed sound capacity level Fig. 12 Information sticker - Filler opening for petrol Gasoline/Benzin B-DEC-0216 Fig. 13 Information sticker - Filler opening for water Water B-DEC-0218 Fig.
  • Page 37 Concerning your safety – Signage Brief operating instructions START OPERATION STOP STOP 1-2 MINUTEN B-DEC-0119 Fig. 15 Maintenance sticker B-DEC-0321 Fig. 16 DFP7AX...
  • Page 38 Concerning your safety – Signage Machine type plate (example) Made by Designation Type Nominal Power Operating Mass Year of Construction Serial-No. Ammerländer Str. 93 D-26203 Wardenburg Made in Germany B-924-0002 Fig. 17 DFP7AX...

  • Page 39: Safety Components

    Concerning your safety – Safety components 3.12 Safety components B-230-0131 Fig. 18 Heat protection cover Belt guard DFP7AX...
  • Page 40 Concerning your safety – Safety components DFP7AX...

  • Page 41: Indicators And Control Elements

    Indicators and control elements Indicators and control elements DFP7AX...

  • Page 42: Engine

    Indicators and control elements – Engine 4.1 Engine 4.1.1 Overview Fig. 19 Engine stop switch Throttle lever Choke lever Recoil starter Fuel valve 4.1.2 Engine stop switch Position “OFF” Ignition off Position “ON” Ignition on Fig. 20 DFP7AX...

  • Page 43: Throttle Lever

    Indicators and control elements – Engine 4.1.3 Throttle lever Position “MIN” Idle speed Position “MAX” Maximum speed B-HON-0041 Fig. 21 4.1.4 Choke lever Position “Left” Choke closed Position “Right” Choke open B-HON-0042 Fig. 22 4.1.5 Recoil starter Fig. 23 DFP7AX...

  • Page 44: Fuel Valve

    Indicators and control elements – Engine 4.1.6 Fuel valve Position “Left” Fuel valve closed Position “Right” Fuel valve open B-HON-0043 Fig. 24 DFP7AX...

  • Page 45: Water Spraying System

    Indicators and control elements – Water spraying system 4.2 Water spraying system Rotary button for water spraying system Water level gauge B-230-0114 Fig. 25 4.2.1 Rotary button for water sprinkling system Position "0" Water sprinkling system off turn anticlockwise Water sprinkling system on infinite adjustment of the sprinkling quantity up to position “MAX”...

  • Page 46: Transport Wheels

    Indicators and control elements – Transport wheels 4.3 Transport wheels B-230-0023 Fig. 27 Locking of guide handle Locking of transport wheels DFP7AX...

  • Page 47: Transport Wheels With Guide Handle In Middle Position

    Indicators and control elements – Transport wheels 4.3.1 Transport wheels with guide handle in middle position B-230-0031 Fig. 28 Locking of guide handle Locking of transport wheels DFP7AX...
  • Page 48 Indicators and control elements – Transport wheels DFP7AX...

  • Page 49: Checks Prior To Start Up

    Checks prior to start up Checks prior to start up DFP7AX...

  • Page 50: Notes On Safety

    Checks prior to start up – Notes on safety 5.1 Notes on safety If the following tests reveal damages or other defects, the machine must not be operated, until these deficiencies have been corrected. Do not operate the machine with defective indicators and control elements.

  • Page 51: Visual Inspections And Function Tests

    Checks prior to start up – Visual inspections and function tests 5.2 Visual inspections and function tests Check fuel tank and lines for condition and leaks. Check bolted connections for tight fit. Check machine for contamination and damage. Check the hydraulic oil cooler for dirt. Check starter rope for chafing.

  • Page 52: Checking The Engine Oil Level

    Checks prior to start up – Checking the engine oil level 5.3 Checking the engine oil level NOTICE! Danger of engine damage! – +Use only oil of the permitted specification Ä Chapter 8.2.1 ‘Engine oil’ on page 77. B-SYM-1068 Fig. 29 Protective equipment: Working clothes Safety shoes...

  • Page 53: Checking The Fuel Level; Topping Up Fuel

    Checks prior to start up – Checking the fuel level; topping up fuel 5.4 Checking the fuel level; topping up fuel DANGER! Danger to life caused by explosive gas-air mixes! – Do not allow gasoline to come into contact with B-SYM-1069 hot components.

  • Page 54: Checking The Rubber Buffers

    Checks prior to start up – Checking the rubber buffers 5.5 Checking the rubber buffers B-SYM-1073 Fig. 33 Protective equipment: Working clothes Safety shoes Protective gloves Check the rubber buffer pairs, left and right, for tight fit, cracks and tear-offs. ð...

  • Page 55: Checking The Water Level, Topping Up

    Checks prior to start up – Checking the water level, topping up 5.6 Checking the water level, topping up NOTICE! Components may get damaged by frost! – Drain all water off if there is a risk of frost. Protective equipment: Working clothes Safety shoes Protective gloves...
  • Page 56 Checks prior to start up – Checking the water level, topping up DFP7AX...

  • Page 57: Operation

    Operation Operation DFP7AX...

  • Page 58: Mounting The Guide Handle

    Operation – Mounting the guide handle 6.1 Mounting the guide handle Protective equipment: Working clothes Safety shoes Protective gloves Force the guide handle apart and plug it onto the brackets. Lock and secure the guide handle on both sides with clip pins.

  • Page 59: Starting The Engine

    Operation – Starting the engine 6.2 Starting the engine Exhaust fumes contain toxic substances and can damage your health, cause unconsciousness or even death. WARNING! Danger of poisoning by exhaust gases! – Do not inhale exhaust gases. – Avoid operation in closed or partly closed rooms, or ensure adequate ventilation when working in trenches.
  • Page 60 Operation – Starting the engine Fully open the fuel tap. B-HON-0035 Fig. 38 Close the choke only when the engine is cold. If the engine is warm or the outside tempera- tures are high, the choke must remain open to prevent the engine from stalling. Close the choke.
  • Page 61 Operation – Starting the engine Pull the rope by the starter handle, until resistance can be felt. Guide the starter handle back to initial position. Fig. 42 CAUTION! Danger of injury caused by uncontrolled machine movement! – Always hold on to a running machine. –...
  • Page 62 Operation – Starting the engine If the recoil starter is frequently operated with the choke closed, the engine will draw in too much fuel and is unable to start Ä Chapter 9.3 ‘What to do if the engine has flooded’ on page 111. DFP7AX...

  • Page 63: Operation

    Operation – Operation 6.3 Operation Guide the machine only by the guide handle. Guide the machine so that your hands do not hit against solid objects. Keep feet clear of the vibrating base plate. CAUTION! Danger of injury caused by uncontrolled machine movement! –...
  • Page 64 Operation – Operation Guide the machine by means of the guide handle. Fig. 46 For short work interruptions you should always return the throttle lever to “MIN” position (idle speed). ð Vibration is switched off. Fig. 47 DFP7AX...

  • Page 65: Switching The Water Sprinkling System On/Off

    Operation – Switching the water sprinkling system on/off 6.4 Switching the water sprinkling system on/off Switch the water sprinkling system on or off with the rotary button: Position "0" Water sprinkling system off turn anticlockwise Water sprinkling system on infinite adjustment of the sprinkling quantity up to position “MAX”...

  • Page 66: Parking The Machine In Secured Condition

    Operation – Parking the machine in secured condition 6.5 Parking the machine in secured condition Components can be very hot during or immediately after operation. WARNING! Danger of burning on hot components! – Wear your personal protective equipment (pro- tective gloves, protective clothing). –...
  • Page 67 Operation – Parking the machine in secured condition Close the fuel valve completely. Secure the machine against unauthorised use. B-HON-0036 Fig. 51 DFP7AX...
  • Page 68 Operation – Parking the machine in secured condition DFP7AX...

  • Page 69: Loading / Transporting The Machine

    Loading / transporting the machine Loading / transporting the machine DFP7AX...

  • Page 70: Loading The Machine

    Loading / transporting the machine – Loading the machine 7.1 Loading the machine Loads may only be attached and hoisted by an expert/qualified person. Do not use lifting points that are damaged or impaired in any other way. Only use lifting and lashing tackle with sufficient load bearing capacity for the weight to be loaded.
  • Page 71 Loading / transporting the machine – Loading the machine If necessary, pull the machine by the handles or loops (1) on an even surface. B-230-0070 Fig. 53 DFP7AX...

  • Page 72: Lashing The Machine To The Transport Vehicle

    Loading / transporting the machine – Lashing the machine to the transport vehicle 7.2 Lashing the machine to the transport vehicle Do not use lifting points that are damaged or impaired in any other way. Always use appropriate lifting and lashing tackle at the lifting and lifting points.

  • Page 73: Transport Wheels

    Loading / transporting the machine – Transport wheels 7.3 Transport wheels Park the machine safely Ä Chapter 6.5 ‘Parking the machine in secured condition’ on page 66. Lock the guide handle with the locking bolts (1). B-230-0027 Fig. 56 Unlock the locking bolts (2) and fold down the transport wheels.

  • Page 74: Transport Wheels With Guide Handle In Middle Position

    Loading / transporting the machine – Transport wheels 7.3.1 Transport wheels with guide handle in middle position Ä Chapter 6.5 ‘Parking the machine Park the machine safely in secured condition’ on page 66. Lock the guide handle with the hook (1). Unlock the locking bolts (2) and fold down the transport wheels.

  • Page 75: Maintenance

    Maintenance Maintenance DFP7AX...

  • Page 76: Preliminary Remarks And Safety Notes

    Maintenance – Preliminary remarks and safety notes 8.1 Preliminary remarks and safety notes DANGER! Danger to life caused by an operationally unsafe machine! – The machine must only be serviced by quali- fied and authorized personnel. – Follow the safety regulations for maintenance Ä...

  • Page 77: Fuels And Lubricants

    Maintenance – Fuels and lubricants 8.2 Fuels and lubricants 8.2.1 Engine oil 8.2.1.1 Oil quality The following engine oil specifications are permitted: Engine oils for four-stroke engines acc. to API-classification SJ or higher Avoid mixing of engine oils. 8.2.1.2 Oil viscosity Since engine oil changes its viscosity with the temperature, the ambient temperature at the operating location of the engine is of utmost importance when choosing the viscosity class (SAE-class).

  • Page 78: Oil For Exciter Shaft Housing

    Maintenance – Fuels and lubricants 8.2.2.2 Fuel stabilizer If the machine is only occasionally used (if it is out of use for longer than four weeks), mix in the correct amount of fuel stabilizer directly after you have purchased fresh fuel. The fuel stabilizer has a limited shelf life.

  • Page 79: List Of Fuels And Lubricants

    Maintenance – List of fuels and lubricants 8.3 List of fuels and lubricants Assembly group Fuel or lubricant Spare parts Filling quantity number Summer Winter Observe the level mark! Engine oil SAE 10W-30 0.6 l Ä Chapter 8.2.1 ‘Engine oil’ Specification: (0.16 gal us) on page 77...

  • Page 80: Running-In Instructions

    Maintenance – Running-in instructions 8.4 Running-in instructions 8.4.1 General The following maintenance work must be performed when running in new machines or overhauled engines. 8.4.2 After 25 operating hours Ä Chapter 8.7.1 ‘Changing the engine Change the engine oil oil’ on page 85. Check engine and machine for leaks.

  • Page 81: Maintenance Table

    Maintenance – Maintenance Table 8.5 Maintenance Table Maintenance works Page Weekly 8.6.1 Checking, cleaning the air filter Semi-annually 8.7.1 Changing the engine oil Annually 8.8.1 Replacing the spark plug 8.8.2 Checking, adjusting the valve clearance 8.8.3 Cleaning the slurry filter and fuel strainer 8.8.4 Replacing the V-belt 8.8.5...

  • Page 82: Weekly

    Maintenance – Weekly 8.6 Weekly 8.6.1 Checking, cleaning the air filter NOTICE! Danger of engine damage! – Do not start the engine after having removed the air filter. B-SYM-1074 – If necessary, the air filter may be cleaned up to Fig.
  • Page 83 Maintenance – Weekly Checking, cleaning the air filter Separate paper element and foam element. Fig. 64 CAUTION! Danger of eye injuries caused by particles flying around! – Wear your personal protective equipment (safety gloves, protective working clothes, goggles). Blow the paper element (4) out with dry compressed air (max.
  • Page 84 Maintenance – Weekly Assembling the air filter NOTICE! Danger of engine damage! – Insert the filter element correctly. Install the rubber seal (5). Insert the filter element (4) correctly and tighten it with the wing nut (3). Tighten the cover (2) with the wing nut (1). Dispose of the filter element (if replaced) in an environmen- tally friendly way.

  • Page 85: Semi-Annually

    Maintenance – Semi-annually 8.7 Semi-annually 8.7.1 Changing the engine oil NOTICE! Danger of engine damage! – Change the oil only with the engine at oper- ating temperature. B-SYM-1078 – Use only oil of the permitted specification Fig. 67 Ä Chapter 8.2.1 ‘Engine oil’ on page 77. Ä...

  • Page 86: Annually

    Maintenance – Annually 8.8 Annually 8.8.1 Replacing the spark plug NOTICE! Danger of engine damage! – Do not use spark plugs with incorrect heat value. Recommended spark plugs: BPR6ES DENSO W20EPR-U Protective equipment: Working clothes Protective gloves Special tool: 13/16 inch spark plug spanner Ä...
  • Page 87 Maintenance – Annually Preparations Protective equipment: Working clothes Protective gloves Ä Chapter 6.5 Park the machine in secured condition ‘Parking the machine in secured condition’ on page 66. Let the engine cool down to 20 °C (68 °F). Unscrew the fastening screws (1). Remove valve cover (2) with seal (3).

  • Page 88: Cleaning The Slurry Filter And Fuel Strainer

    Maintenance – Annually Adjusting the valve clearance Hold the hexagon nut (1) on the rocker arm and loosen counter nut (2). Adjust the hexagon nut, until the feeler gauge can be inserted and pulled out with little resistance after retightening the counter nut.
  • Page 89 Maintenance – Annually Close the fuel valve. B-HON-0036 Fig. 76 Disassemble filter bowl (3), O-ring (2) and filter (1). Clean filter bowl and filter in a non-inflammable solvent, dry them thoroughly afterwards. B-HON-0040 Fig. 77 Open the fuel valve and collect running out fuel. Close the fuel valve.
  • Page 90 Maintenance – Annually Check the O-ring (2) for damage, replace if necessary. Install the filter (1). Observe the alignment (A) of the filter on the housing. Assemble the filter bowl (3) with the O-ring. B-HON-0039 Fig. 79 A View from below: Alignment of filter during installation Unscrew the hexagon nuts (2) and the hexagon screw (1) and take off the fuel tank.

  • Page 91: Replacing The V-Belt

    Maintenance – Annually Assemble the fuel tank with hexagon nuts (2) and hexagon screw (1). Check the fuel system for leaks. Dispose of fuel and replaced components in an environmen- tally friendly way. B-834-0038 Fig. 82 8.8.4 Replacing the V-belt Protective equipment: Working clothes Safety shoes...
  • Page 92 Maintenance – Annually Install the new V-belt and pull the engine carrier back. Tighten the fastening screws (1) on both sides. B-230-0030 Fig. 85 Check tension of V-belt, tighten if necessary. ð Compression measurement: 5 - 10 mm (0.2 - 0.4 in). Fig.

  • Page 93: Replacing The Starter Rope

    Maintenance – Annually Protective equipment: Working clothes Hearing protection Safety shoes Special tool: Sirometer Park the machine on a rubber mat. Ä Chapter 6.2 ‘Starting the engine’ Start the engine on page 59. Run the machine at maximum speed for one minute. Check the base plate’s frequency with a suitable measuring instrument (e.g.
  • Page 94 Maintenance – Annually Pull the starter rope with the starter handle out completely. Fig. 89 If the starter rope has been torn or the coil has recoiled com- pletely: Before assembling the rope, turn the coil (2) 5 revolutions in anti-clockwise direction and align the rope openings in coil and housing (5) to one another (A).

  • Page 95: Changing The Oil In The Exciter Housing

    Maintenance – Annually Assemble the recoil starter. Fig. 93 8.8.6 Changing the oil in the exciter housing NOTICE! Components may get damaged! – Use only oil of the permitted specification Ä Chapter 8.3 ‘List of fuels and lubricants’ on page 79. Protective equipment: Working clothes Safety shoes...

  • Page 96: Replacing The Air Filter

    Maintenance – Annually Stand the machine upright. NOTICE! Components may get damaged! Do not use low-ash engine oils for the exciter shaft housing. Fill in fresh oil up to the bottom edge of the opening. B-834-0031 Screw in the plug (1). Fig.
  • Page 97 Maintenance – Annually Replace the filter element consisting of paper and foam insert. NOTICE! Danger of engine damage! – Insert the filter element correctly. Fig. 97 Install the rubber seal (5). Insert the filter element (4) correctly and tighten it with the wing nut (3).

  • Page 98: As Required

    Maintenance – As required 8.9 As required 8.9.1 Cleaning the cooling fins and the cooling air intake openings How dirty the cooling fins and cooling air intake openings are depends very much on the daily operating conditions; clean daily if necessary. NOTICE! Danger of engine damage caused by reduced cooling!

  • Page 99: Cleaning The Machine

    Maintenance – As required NOTICE! Electric components can be damaged by water entering into the system! – Do not direct the water jet directly into the air filter, carburettor, recoil starter, air intake or engine stop switch. CAUTION! Danger of eye injuries caused by particles flying around! –...

  • Page 100: Cleaning The Water Spraying System

    Maintenance – As required 8.9.3 Cleaning the water spraying system Protective equipment: Working clothes Safety shoes Protective gloves Remove the cap (2). Open the rotary button (1) completely and let all water run out. Alternatively you may also remove the water tank for cleaning.

  • Page 101: Checking, Cleaning The Spark Plug

    Maintenance – As required Check condition and tension of the V-belt, tighten if neces- sary. ð Compression measurement: 5 - 10 mm (0.2 - 0.4 in). If necessary, tighten the V-belt; if damaged, replace the V- Ä Chapter 8.8.4 ‘Replacing the V-belt’ on page 91. belt Fig.

  • Page 102: Measures Prior To Extended Shut-Down Period

    Maintenance – As required Clean the area around the spark plug. Unscrew the spark plug using a 13/16 inch spark plug spanner. Fig. 104 Check the condition of the spark plug, clean if necessary. In case of excessive combustion residues or burned off elec- Ä...
  • Page 103 Maintenance – As required Depending on weather influences these conservation measures will protect the machine for approx. 6 to 12 months. Ä Chapter 6.5 ‘Parking the machine Park the machine safely in secured condition’ on page 66. Allow the engine to cool down for at least 30 minutes. Clean the machine thoroughly.
  • Page 104 Maintenance – As required Protecting the cylinder Special tool: 13/16 inch spark plug spanner Unscrew the spark plug using a 13/16 inch spark plug spanner. Fill in several drops of fresh engine oil through the ignition plug opening. B-834-0029 Fig. 108 Crank the engine several times with the recoil starter to dis- tribute the oil in the cylinder.
  • Page 105 Maintenance – As required If the fuel was drained off before shutting down, you must now fill in fuel. Clean the machine thoroughly. Start the engine and run it for 15 to 30 minutes with idle speed. DFP7AX...
  • Page 106 Maintenance – As required DFP7AX...

  • Page 107: Troubleshooting

    Troubleshooting Troubleshooting DFP7AX...

  • Page 108: Preliminary Remarks

    Troubleshooting – Preliminary remarks 9.1 Preliminary remarks Malfunctions are frequently caused by incorrect operation of the machine or insufficient maintenance. Whenever a fault occurs you should therefore thoroughly read these instructions on correct operation and maintenance. If you cannot locate the cause of a fault or rectify it yourself by fol- lowing the trouble shooting chart, you should contact our customer service department.

  • Page 109: Engine Malfunctions

    Troubleshooting – Engine malfunctions 9.2 Engine malfunctions Fault Possible cause Remedy Engine does not Fuel tank empty Check, refill if necessary start Fuel valve closed Open the fuel valve Fuel system clogged Cleaning the fuel strainer Check the fuel strainer in the carburettor Have it checked by qualified expert per- sonnel Engine stop switch in position “OFF”...
  • Page 110 Troubleshooting – Engine malfunctions Fault Possible cause Remedy Poor fuel quality Check the fuel quality, if necessary change the fuel Engine oil level too low Check the engine oil level, top up if nec- essary Engine runs with Centrifugal clutch defective Have it checked by qualified expert per- high speed, but no sonnel...

  • Page 111: What To Do If The Engine Has Flooded

    Troubleshooting – What to do if the engine has flooded 9.3 What to do if the engine has flooded DANGER! Danger to life caused by explosive gas-air mixes! – Do not allow gasoline to come into contact with hot components. –...
  • Page 112 Troubleshooting – What to do if the engine has flooded Open the choke. B-HON-0038 Fig. 112 CAUTION! Danger of eye injuries caused by particles flying around! – Wear your personal protective equipment (safety gloves, protective working clothes, goggles). Crank the engine several times with the recoil starter to remove excessive fuel from the combustion chamber.

  • Page 113: Disposal

    Disposal Disposal DFP7AX...

  • Page 114: Final Shut-Down Of Machine

    Disposal – Final shut-down of machine 10.1 Final shut-down of machine After the machine has reached the end of its service life, the indi- vidual components of the machine must be disposed of properly. Observe national regulations! Carry out the following work and have the machine dismantled by a state-approved recycling company.

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