Dynapac BOMAG BVP 12/50 A Operating Instruction
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Dynapac BOMAG BVP 12/50 A Operating Instruction

Dynapac BOMAG BVP 12/50 A Operating Instruction

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Operating Instruction
Maintenance Instruction
Original Operating Instructions
BVP 12/50 A
S/N 861 834 20 1001> / S/N 861 834 37 1001>
Single direction vibratory plate
www.discount-equipment.com
008 202 51 EN
© 07/2018

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Summary of Contents for Dynapac BOMAG BVP 12/50 A

  • Page 1 Operating Instruction Maintenance Instruction Original Operating Instructions BVP 12/50 A S/N 861 834 20 1001> / S/N 861 834 37 1001> Single direction vibratory plate www.discount-equipment.com 008 202 51 EN © 07/2018...
  • Page 2 Power Blanket, Nifty Lift, Atlas Copco, Chicago Pneumatic, Allmand, Miller Curber, Skyjack, Lull, Skytrak, Tsurumi, Husquvarna Target, Stow, Wacker, Sakai, Mi-T-M, Sullair, Basic, Dynapac, MBW, Weber, Bartell, Bennar Newman, Haulotte, Ditch Runner, Menegotti, Morrison, Contec, Buddy, Crown, Edco, Wyco, Bomag, Laymor, EZ Trench, Bil-Jax, F.S.
  • Page 3 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 4: 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 5 Table of contents 3.10 Repair............................33 3.11 Signage............................34 Indicators and control elements......................39 4.1 Engine............................40 4.1.1 Overview............................ 40 4.1.2 Starter switch..........................40 4.1.3 Throttle lever..........................41 4.1.4 Choke lever..........................41 4.1.5 Recoil starter..........................41 4.1.6 Fuel valve........................... 42 4.2 Water spraying system.......................
  • Page 6 Table of contents 8.8.3 Cleaning the slurry filter and fuel strainer................... 82 8.8.4 Replacing the starter rope......................85 8.8.5 Changing the oil in the exciter housing..................86 8.8.6 Replacing the air filter........................ 87 8.8.7 Replacing the V-belt........................89 8.9 As required..........................91 8.9.1 Cleaning the machine........................

  • Page 7: Introduction

    Introduction Introduction BVP 12/50 A...

  • Page 8: Foreword

    Introduction – Foreword 1.1 Foreword BOMAG manufactures machines for earth, asphalt and refuse compaction, stabilizers/recyclers as well as planers and pavers. BOMAG’s vast experience in connection with state-of-the-art production and testing methods, such as lifetime tests of all important components and highest quality demands guar- antee maximum reliability of your machine.
  • Page 9 Introduction – Foreword In the course of technical development we reserve the right for technical modifications without prior notification. These operating and maintenance instructions are also available in other languages. Apart from that, you can also order the spare parts catalogue against the serial number of your machine.

  • 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. Patent Protection 56154 Boppard;GERMANY Made in Germany B-DEC-0270...

  • Page 11: Technical Data

    Technical data Technical data BVP 12/50 A...
  • Page 12 Technical data Dimensions Fig. 3 (26.0) (35.0) (38.1) (20.9) (19.7) Dimensions in millimetres (Dimensions in inch) Weights Operating weight (CECE) (159) (lbs) Basic weight (148) (lbs) Travel characteristics Max. working speed m/min (82) (ft/min) Max. gradability (depending on soil) BVP 12/50 A...
  • Page 13 Technical data 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 (5640) (vpm) Centrifugal force (2698) (lbf) Amplitude (0.043) (in) Water sprinkling system (optional equipment) Type of sprinkling Gravity feed Filling capacities...

  • 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 BVP 12/50 A...

  • 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 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 Oil

    Concerning your safety – Handling fuels and lubricants 3.4.2 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 25: Safety Regulations And Environmental Protection Regulations For Handling Gasoline

    Concerning your safety – Handling fuels and lubricants 3.4.3 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 26: Safety Regulations And Environmental Protection Regulations For Handling Fuel Stabiliser

    Concerning your safety – Handling fuels and lubricants 3.4.4 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 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: Operation In Trenches

    Concerning your safety – Start-up procedure Avoid operation in closed or partly closed rooms, or ensure ade- quate ventilation when working in trenches. 3.6.4 Operation in trenches Applies only to Germany. The vibratory tamper or the vibratory plate were tested outdoors by BG Bau (Germany) regarding CO emissions.

  • 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 Adhere to the specified operating, maintenance and repair meas- ures. The machine must only be serviced by qualified personnel author- ised by the operating company. Keep unauthorised persons away from the machine. Perform maintenance work only with the engine shut down and the spark plug connector disconnected.

  • 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. Water Made by Designation Type Nominal Power Operating Mass Year of Construction Serial-No.
  • Page 35 Concerning your safety – Signage Warning sticker - Follow operating instructions Fig. 7 Instruction sticker - Wear ear defenders Fig. 8 Information sticker - Guaranteed sound capacity level Fig. 9 Information sticker - Lashing point Fig. 10 BVP 12/50 A...
  • Page 36 Concerning your safety – Signage Information sticker - Lifting point Fig. 11 Information sticker - Gasoline Fig. 12 Information sticker - Filler opening for water Water B-DEC-0218 Fig. 13 Brief operating instructions Fig. 14 BVP 12/50 A...
  • Page 37 Concerning your safety – Signage Machine type plate (example) Made by Designation Type Nominal Power Operating Mass Year of Construction Serial-No. Patent Protection 56154 Boppard;GERMANY Made in Germany B-DEC-0271 Fig. 15 BVP 12/50 A...

  • Page 38: Indicators And Control Elements

    Indicators and control elements Indicators and control elements BVP 12/50 A...

  • Page 39: Engine

    Indicators and control elements – Engine 4.1 Engine 4.1.1 Overview Fig. 16 Start switch Throttle lever Choke lever Recoil starter Fuel valve 4.1.2 Starter switch Position “OFF” Ignition off Position “ON” Ignition on Fig. 17 BVP 12/50 A...

  • Page 40: Throttle Lever

    Indicators and control elements – Engine 4.1.3 Throttle lever Position "MIN" Idle speed Position "MAX" Maximum speed Fig. 18 4.1.4 Choke lever Position "Left" Choke closed Position "Right" Choke open Fig. 19 4.1.5 Recoil starter Fig. 20 BVP 12/50 A...

  • Page 41: Fuel Valve

    Indicators and control elements – Engine 4.1.6 Fuel valve Position "Left" Fuel valve closed Position "Right" Fuel valve open Fig. 21 BVP 12/50 A...

  • Page 42: Water Spraying System

    Indicators and control elements – Water spraying system 4.2 Water spraying system Shut-off valve for water spraying system Fig. 22 Position “0” Water spraying system off Turn anticlockwise Water spraying system on infinite adjustment of the spraying quan- tity up to “MAX” position Fig.

  • Page 43: Checks Prior To Start Up

    Checks prior to start up Checks prior to start up BVP 12/50 A...

  • Page 44: 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 45: 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 46: 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 71. B-SYM-1068 Fig. 24 Protective equipment: Working clothes Safety shoes...

  • Page 47: 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 48: Checking The Rubber Buffers

    Checks prior to start up – Checking the rubber buffers 5.5 Checking the rubber buffers B-SYM-1073 Fig. 28 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 49: 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! Dirty or contaminated water can block the bore- holes! – Fill only with clean water. NOTICE! Components may get damaged by frost! –...

  • Page 50: Operation

    Operation Operation BVP 12/50 A...

  • Page 51: Mounting The Guide Handle

    Operation – Mounting the guide handle 6.1 Mounting the guide handle Force the guide handle apart and plug it onto the brackets. Lock and secure the guide handle on both sides with split pins. Fig. 32 BVP 12/50 A...

  • Page 52: 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 53 Operation – Starting the engine Fully open the fuel tap. Fig. 33 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 54 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. 37 CAUTION! Danger of injury caused by uncontrolled machine movement! – Always hold on to a running machine. –...
  • Page 55 Operation – Starting the engine If the recoil starter is frequently operated with the choke closed, the engine will draw in too much fuel Ä Chapter 9.3 „What to do if and is unable to start the engine has flooded“ on page 103. BVP 12/50 A...

  • Page 56: 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 57 Operation – Operation Guide the machine by means of the guide handle. Fig. 41 For short work interruptions you should always return the throttle lever to “MIN” position (idle speed). ð Vibration is switched off. Fig. 42 BVP 12/50 A...

  • Page 58: Switching The Water Spraying System On/Off

    Operation – Switching the water spraying system on/off 6.4 Switching the water spraying system on/off The water spraying system must be switched on and off by the shut-off valve: Position “0” Water spraying system off Turn anticlockwise Water spraying system on infinite adjustment of the spraying quantity up to “MAX”...

  • Page 59: 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 60 Operation – Parking the machine in secured condition Close the fuel valve completely. secure the machine against unauthorized use. Fig. 46 BVP 12/50 A...

  • Page 61: Loading / Transporting The Machine

    Loading / transporting the machine Loading / transporting the machine BVP 12/50 A...

  • Page 62: Loading The Machine

    Loading / transporting the machine – Loading the machine 7.1 Loading the machine Loads must only be attached and hoisted by an expert / qualified person. Do not use damaged or in any other way impaired lifting points. Use only lifting and lashing tackle with sufficient load bearing capacity for the weight to be loaded.

  • Page 63: 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 damaged or in any other way impaired lifting points. Always use appropriate lifting and lashing tackle on the lifting and lashing points.

  • Page 64: Maintenance

    Maintenance Maintenance BVP 12/50 A...

  • Page 65: 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 work Ä...

  • Page 66: 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 67: 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 68: 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 Specification: Ä Chapter 8.2.1 „Engine (0.16 gal us) oil“...

  • Page 69: 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 79. Check engine and machine for leaks.

  • Page 70: 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 Checking, adjusting the valve clearance 8.8.2 Replacing the spark plug 8.8.3 Cleaning the slurry filter and fuel strainer 8.8.4 Replacing the starter rope 8.8.5...

  • Page 71: 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 72 Maintenance – Weekly Checking, cleaning the air filter Separate paper element and foam element. Fig. 53 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 73 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 74: 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. 56 Ä Chapter 8.2.1 „Engine oil“ on page 71. Ä...

  • Page 75: Annually

    Maintenance – Annually 8.8 Annually 8.8.1 Checking, adjusting the valve clearance NOTICE! Danger of engine damage! We recommend to have this work carried out by trained personnel or our after sales service. – Before checking the valve clearance let the engine cool down.

  • Page 76: Replacing The Spark Plug

    Maintenance – Annually Checking the valve clearance Valve clearance: Intake valve (IN) 0.15 mm (0.006 in) Exhaust valve (EX) 0.20 mm (0.008 in) Check the valve clearance with a feeler gauge between rocker arm (2) and valve shaft (1) on both valves, adjust if necessary.

  • Page 77: Cleaning The Slurry Filter And Fuel Strainer

    Maintenance – Annually Recommended spark plugs: BPR6ES DENSO W20EPR-U Protective equipment: Working clothes Protective gloves Special tool: 13/16 inch spark plug spanner Ä Chapter 6.5 Park the machine in secured condition „Parking the machine in secured condition“ on page 62. Allow the engine to cool down for at least 15 minutes.
  • Page 78 Maintenance – Annually Close the fuel valve. Fig. 65 Disassemble filter bowl (3), O-ring (2) and filter (1). Clean filter bowl and filter in a non-inflammable solvent, dry them thoroughly afterwards. Fig. 66 A View from below: Alignment of filter during installation Open the fuel valve and collect running out fuel.
  • Page 79 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. Fig. 68 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 80: Replacing The Starter Rope

    Maintenance – Annually 8.8.4 Replacing the starter rope Protective equipment: Working clothes Protective gloves Ä Chapter 6.5 Park the machine in secured condition „Parking the machine in secured condition“ on page 62. Allow the engine to cool down. Disassembling the recoil starter. Fig.

  • Page 81: Changing The Oil In The Exciter Housing

    Maintenance – Annually Secure the coil against winding up. For this purpose tie the coil (2) to the housing (5) with a cable strap (1). Untie the knots of the starter rope at both ends and remove the old starter rope. Thread in the new starter rope (3) and fix it with knots on both ends.

  • Page 82: Replacing The Air Filter

    Maintenance – Annually Protective equipment: Working clothes Protective gloves Park the machine on level ground. Ä Chapter 6.5 Park the machine in secured condition „Parking the machine in secured condition“ on page 62. Tilt the machine slightly towards the oil drain side and sup- port it safely.
  • Page 83 Maintenance – Annually Unscrew wing nut (1) and remove cover (2). Clean the cover. Unscrew wing nut (3) and remove filter element (4). Check the rubber seal (5), replace if necessary. The rubber seal frequently sticks to the filter element. Fig.

  • Page 84: Replacing The V-Belt

    Maintenance – Annually 8.8.7 Replacing the V-belt 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 62. Allow the engine to cool down. Loosen the fastening screw (2) and remove the V-belt guard (1).
  • Page 85 Maintenance – Annually Concluding work Attach the V-belt guard (1) with fastening screw (2). Check the V-belt tension again after 25 operating hours, tighten if necessary. Fig. 86 8.8.7.1 Checking the frequency of the base plate Keep feet and hands clear of the vibrating base plate. CAUTION! Danger of injury caused by uncontrolled machine movement!

  • Page 86: As Required

    Maintenance – As required 8.9 As required 8.9.1 Cleaning the machine NOTICE! Danger of engine damage caused by reduced cooling! – Immediately seal any oil or fuel leaks near fuel tank, cylinder or cooling air intake. Ä Chapter 6.5 Park the machine in secured condition „Parking the machine in secured condition“...

  • Page 87: Checking, Cleaning The Spark Plug

    Maintenance – As required Remove dried dirt with a suitable brush from all cooling fins and cooling air intake openings. CAUTION! Danger of eye injuries caused by particles flying around! – Wear your personal protective equipment (safety gloves, protective working clothes, goggles).

  • Page 88: Servicing The V-Belt

    Maintenance – As required Protective equipment: Working clothes Protective gloves Special tool: 13/16 inch spark plug spanner Ä Chapter 6.5 Park the machine in secured condition „Parking the machine in secured condition“ on page 62. Allow the engine to cool down for at least 15 minutes. Clean the area around the spark plug.
  • Page 89 Maintenance – As required Loosen the fastening screw (2) and remove the V-belt guard (1). Fig. 90 Checking the V-belt Check condition and tension of the V-belt, tighten if neces- sary. ð Compression measurement: approx. 5 mm (0.2 in). Replace a damaged V-belt Ä...

  • Page 90: Checking The Oil Level In The Exciter Housing

    Maintenance – As required Concluding work Attach the V-belt guard (1) with fastening screw (2). Fig. 93 8.9.5 Checking the oil level in the exciter housing NOTICE! Components may get damaged! – Use only oil of the permitted specification Ä Chapter 8.3 „List of fuels and lubri- cants“...

  • Page 91: Cleaning The Water Spraying System

    Maintenance – As required 8.9.6 Cleaning the water spraying system Protective equipment: Working clothes Protective gloves Ä Chapter 6.5 Park the machine in secured condition „Parking the machine in secured condition“ on page 62. Remove the cap (1) from the water tank. Remove the rubber caps (3) from the spray tube.
  • Page 92 Maintenance – As required Start the engine and run the machine for approx. 10 minutes in the open. Park the machine in secured condition. Emptying the fuel tank. Close the fuel valve. Fig. 96 Disassemble the drain plug (3) and the seal (4) from the car- burettor and catch running out fuel.
  • Page 93 Maintenance – As required Crank the engine several times with the recoil starter to dis- tribute the oil in the cylinder. Screw the spark plug back in. Slowly pull the starter rope until resistance can be felt and the alignment mark (2) on the starter disc is in line with the upper bore (1).

  • Page 94: Troubleshooting

    Troubleshooting Troubleshooting BVP 12/50 A...

  • Page 95: 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 96: Engine Malfunctions

    Troubleshooting – Engine malfunctions 9.2 Engine malfunctions Malfunction Possible cause Remedy Engine does not Fuel tank empty Check, fill up if necessary start Fuel valve closed Open the fuel valve Fuel system clogged Clean the fuel screen Check the fuel screen in the carburettor Have checked by qualified expert per- sonnel Set the starter switch to “OFF”...
  • Page 97 Troubleshooting – Engine malfunctions Malfunction 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, correct if nec- essary Engine runs with Centrifugal clutch defective Have checked by qualified expert per- high speed, but no sonnel...

  • Page 98: 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 99 Troubleshooting – What to do if the engine has flooded Open the choke. Fig. 102 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 100: Disposal

    Disposal Disposal BVP 12/50 A...

  • Page 101: Final Shut-Down Of Machine

    Disposal – Final shut-down of machine 10.1 Final shut-down of machine If the machine can no longer be used and needs to be finally shut down you must carry out the following work and have the machine disassembled by an officially recognized specialist workshop. DANGER! Danger to life caused by explosive gas-air mixes!

  • Page 102: List Of Special Tools

    List of special tools List of special tools BVP 12/50 A...
  • Page 103 List of special tools 13/16 inch spark plug spanner Fig. Sirometer Measuring instrument for speed and frequency BOMAG 059 710 02 Fig. BVP 12/50 A...
  • Page 104 Power Blanket, Nifty Lift, Atlas Copco, Chicago Pneumatic, Allmand, Miller Curber, Skyjack, Lull, Skytrak, Tsurumi, Husquvarna Target, Stow, Wacker, Sakai, Mi-T-M, Sullair, Basic, Dynapac, MBW, Weber, Bartell, Bennar Newman, Haulotte, Ditch Runner, Menegotti, Morrison, Contec, Buddy, Crown, Edco, Wyco, Bomag, Laymor, EZ Trench, Bil-Jax, F.S.

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