Fayat BOMAG BVP 12/50 A Operating Instruction Download

Page: 98 / 105

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

high speed, but no

vibration

Centrifugal clutch defective

Have checked by qualified expert per-

sonnel

V-belt broken

Replacing the V-belt

Troubleshooting – Engine malfunctions

BVP 12/50 A

104

Discount-Equipment.com

order

your

parts

Summary of Contents for BOMAG BVP 12/50 A

Page 1: ...ory plate Operating Instruction Maintenance Instruction Original Operating Instructions S N 861 834 44 1001 02 2019 008 204 63 EN www discount equipment com G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 2: ...ne needs We sell worldwide for the brands Genie Terex JLG MultiQuip Mikasa Essick Whiteman Mayco Toro Stone Diamond Products Generac Magnum Airman Haulotte Barreto 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 M...

Page 3: ...n to the State of California to cause cancer and birth defects or other reproductive harm 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 e...

Page 4: ...s to the machine 22 3 3 4 Damage defects misuse of safety devices 22 3 4 Handling fuels and lubricants 23 3 4 1 Preliminary remarks 23 3 4 2 Safety regulations and environmental protection regulations for handling oil 24 3 4 3 Safety regulations and environmental protection regulations for handling gasoline 25 3 4 4 Safety regulations and environmental protection regulations for handling fuel stab...

Page 5: ...uide handle 54 6 2 Starting the engine 55 6 3 Operation 59 6 4 Switching the water spraying system on off 61 6 5 Parking the machine in secured condition 62 7 Loading transporting the machine 65 7 1 Loading the machine 66 7 2 Lashing the machine to the transport vehicle 67 8 Maintenance 69 8 1 Preliminary remarks and safety notes 70 8 2 Fuels and lubricants 71 8 2 1 Engine oil 71 8 2 2 Fuel 71 8 2...

Page 6: ...he cooling air intake openings 92 8 9 3 Checking cleaning the spark plug 93 8 9 4 Servicing the V belt 94 8 9 5 Checking the oil level in the exciter housing 96 8 9 6 Cleaning the water spraying system 97 8 9 7 Measures prior to extended shut down period 97 9 Troubleshooting 101 9 1 Preliminary remarks 102 9 2 Engine malfunctions 103 9 3 What to do if the engine has flooded 105 10 Disposal 107 10 ...

Page 7: ...1 Introduction Introduction BVP 12 50 A 7 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 8: ...ating steps including the notes on safety to be followed can be found in chapter Operation Ä Chapter 6 Operation on page 53 Before every start up carry out all required visual inspections and function tests Ensure the compliance with the specified operating maintenance and repair measures to maintain the functional safety of your machine A description of all necessary maintenance work maintenance ...

Page 9: ...t you can also order the spare parts catalogue against the serial number of your machine The above notes do not constitute an extension of the warranty and liability conditions specified in the general sales and delivery conditions of BOMAG GmbH We wish you successful work with your BOMAG machine Introduction Foreword BVP 12 50 A 9 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o ...

Page 10: ...on Type Nominal Power Operating Mass Year of Construction Serial No Patent Protection 56154 Boppard GERMANY Made in Germany 1 2 B DEC 0270 Fig 1 Machine type plate example Engine type and engine number Fig 2 Introduction Machine type plate and engine type plate BVP 12 50 A 10 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 11: ...2 Technical data Technical data BVP 12 50 A 11 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 12: ...ns in inch Weights Operating weight CECE 72 159 kg lbs Basic weight 67 148 kg lbs Travel characteristics Max working speed 25 82 m min ft min Max gradability depending on soil 30 Dimensions Technical data BVP 12 50 A 12 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 13: ...ystem Frequency 94 5640 Hz vpm Centrifugal force 12 2698 kN lbf Amplitude 1 1 0 043 mm in Water sprinkling system optional equipment Type of sprinkling Gravity feed Filling capacities Fuel gasoline 2 0 0 5 each l gal us Water spraying system 7 0 1 9 each l gal us Technical data BVP 12 50 A 13 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 14: ...500 WARNING Loss of hearing caused by too high noise bur dens Wear your personal protective equipment ear protection LWA 105 dB A determined acc to ISO 3744 and EN 500 2 1 2 Vibration data Vector total of the weighted effective acceleration in three orthog onal directions Total vibration value ahv 9 2 m s2 on crushed rock determined acc to ISO 5349 and EN 500 Associated uncertainty K 1 9 m s2 dete...

Page 15: ...3 Concerning your safety Concerning your safety BVP 12 50 A 15 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 16: ...ffic regulations n country state specific safety regulations It is the duty of the operator to be acquainted with the safety regu lations and to apply these accordingly This also applies for local regulations and regulations concerning different types of handling activities Should the recommendations in these instructions be dif ferent from the regulations valid in your country you must comply wit...

Page 17: ...isposal of fuels and lubricants as well as replacement parts 3 1 3 Personal protective equipment Depending on the work to be carried out personal protective equipment is required to be provided by the operating company Working clothes Tight fitting working clothes with low tear resistance tight sleeves and without any projecting parts protect against being caught by moving components Safety shoes ...

Page 18: ...ompaction of all types of soils n Repair work on all types of soil n Paving of walkways n Work in trenches n Underfilling and compaction of hard shoulders Intended use also includes compliance with the specified oper ating maintenance and repair measures 3 1 5 Improper use Dangers may arise from the machine when it is used for purposes other than the one it is intended for Any danger caused by imp...

Page 19: ...tions must be used It is prohibited to use other lifting and lashing points e g guide handle steering rod 3 1 6 Estimated service life of the machine If the following general conditions are met the estimated service life of the machine is usually in the range of several thousand oper ating hours n Regular safety inspections by an expert qualified person n Performance of the prescribed maintenance ...

Page 20: ...alified person An expert qualified person is a person who based on his her pro fessional education and experience has profound knowledge in the field of construction equipment and the machine in question in particular This person is acquainted with the applicable governmental indus trial safety regulations accident prevention instructions guidelines and generally acknowledged technical rules and r...

Page 21: ...uence of alcohol medication or drugs are not allowed to operate service or repair the machine Maintenance and repair work requires specific knowledge and must therefore only be performed by trained specialists Concerning your safety Definition of responsible persons BVP 12 50 A 21 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 22: ...from the operation of the machine 3 3 2 Regular safety inspections Have the machine inspected by an expert qualified person as required for the conditions the machine is working under but at least once every year 3 3 3 Modifications and alterations to the machine Unauthorized changes to the machine are prohibited for safety rea sons Original parts and accessories have been specially designed for t...

Page 23: ...mposition information on constituents n first aid measures n fire fighting measures n measures in case of accidental release n handling and storage n limitation and monitoring of exposure personal protective equipment n physical and chemical properties n stability and reactivity n toxicological data n environmental data n notes on waste disposal n information on transport n legislation n other dat...

Page 24: ...al protective equipment pro tective gloves protective clothing Do not inhale any oil vapours Avoid contact CAUTION Danger of slipping on spilled oil Immediately bind spilled oil with an oil binding agent ENVIRONMENT Oil is an environmentally hazardous substance Always keep oil in proper containers Immediately bind spilled oil with an oil binding agent Dispose of oil and oil filter according to reg...

Page 25: ...ine Wear your personal protective outfit protective gloves protective clothing Do not inhale any fuel fumes Do not swallow gasoline Avoid contact with gasoline ENVIRONMENT Gasoline is an environmentally hazardous sub stance Always keep gasoline in proper containers Immediately bind spilled gasoline with an oil binding agent and dispose of in accordance with regulations Dispose of gasoline and fuel...

Page 26: ...rotective outfit protective gloves protective clothing Do not inhale any fuel stabilizer fumes Do not swallow fuel stabilizer Avoid contact with fuel stabilizer ENVIRONMENT Fuel stabilizer is an environmentally hazardous substance Immediately bind spilled fuel stabilizer with an oil binding agent and dispose of according to regulations Dispose of fuel stabilizer according to regula tions Concernin...

Page 27: ...ansport vehicle against rolling slip ping and turning over Loads must only be attached and hoisted by an expert capable person Use only lifting gear and lifting tackle with sufficient load bearing capacity for the weight to be loaded Fasten the lifting gear only at the specified lifting points Danger to the life of persons if they step or stand under a sus pended load When lifting the machine avoi...

Page 28: ...ated until these deficiencies have been corrected Do not operate the machine with defective indicators and control elements 3 6 2 Spark protection The spark protection is optional In some areas of use operation of an engine without spark protec tion is not permitted Check the locally valid legislation and regulations 3 6 3 Starting the engine Do not use any starting aids like start pilot or ether ...

Page 29: ...res These test showed CO emissions below the occupational exposure limit OEL according to TRGS 900 when operating a maximum of 4 times 15 minutes per shift 8 hours For this reason take care to ensure sufficient ventilation when operating the vibratory tamper or vibratory plate in more than shoulder deep trenches which have a width of less than 1 5 metres a maximum depth of less than 3 metres or a ...

Page 30: ...m trouble shooting and have the fault corrected Always keep a safe distance to excavation pit borders embank ments and edges Refrain from any work that could adversely affect the stability of the machine Observe the daily vibration load work safety acc to 2002 44 EC 3 7 3 Parking the machine Park the machine on horizontal level firm ground Before leaving the machine n Shut down the engine n Secure...

Page 31: ...ectrostatic charging Do not spill any fuel Catch running out fuel do not let it seep into the ground Wipe off spilled fuel Keep dirt and water away from the fuel A leaking fuel tank can cause an explosion Ensure tight fit of the fuel tank cover if necessary replace immediately Concerning your safety Refuelling BVP 12 50 A 31 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a...

Page 32: ... a sepa rate specially marked container and dispose of environmentally 3 9 3 Cleaning work Do not perform cleaning work while the motor is running Allow the engine to cool down before starting cleaning work Do not use gasoline or other easily inflammable substances for cleaning 3 9 4 Measures for longer shut down periods If the machine is taken out of operation for a longer period of time various ...

Page 33: ...ant 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 Concerning your safety Repair BVP 12 50 A 33 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 34: ...king into operation vor Inbetriebnahme avant la mise en service anterior a la puesta en servicio weekly wöchentlich hebdomadairement cada semana twice annual halbjährlich tous les 6 mois cada 6 meses annual jährlich annuellement anualmente BENZIN GASOLINE WARNING California Proposition 65 Warning This product contains chemicals that cause cancer chemicals that are reproductive toxicants Gasoline B...

Page 35: ...on sticker Guaranteed sound capacity level Fig 7 WARNING California Proposition 65 Warning This product contains chemicals that cause cancer chemicals that are reproductive toxicants B DEC 0316 Fig 8 Fig 9 Fig 10 Concerning your safety Signage BVP 12 50 A 35 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 36: ...on sticker Filler opening for petrol Information sticker Filler opening for water Fig 11 Fig 12 B DEC 0216 Gasoline Benzin Fig 13 B DEC 0218 Water Fig 14 Concerning your safety Signage BVP 12 50 A 36 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 37: ... cada semana twice annual halbjährlich tous les 6 mois cada 6 meses annual jährlich annuellement anualmente BENZIN GASOLINE B DEC 0321 Fig 16 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 17 Concerning your safety Signage BVP 12 50 A 37 G o t o D i s c o u n t E q u i p m e n t c o m t o o...

Page 38: ...4 Indicators and control elements Indicators and control elements BVP 12 50 A 39 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 39: ...lever 3 Choke lever 4 Recoil starter 5 Fuel valve 4 1 2 Starter switch Position OFF Ignition off Position ON Ignition on Fig 19 Indicators and control elements Engine BVP 12 50 A 40 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 40: ...ed 4 1 4 Choke lever Position Left Choke closed Position Right Choke open 4 1 5 Recoil starter B HON 0041 Fig 20 B HON 0042 Fig 21 Fig 22 Indicators and control elements Engine BVP 12 50 A 41 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 41: ...e Position Left Fuel valve closed Position Right Fuel valve open B HON 0043 Fig 23 Indicators and control elements Engine BVP 12 50 A 42 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 42: ...raying system off Turn anticlockwise Water spraying system on infinite adjustment of the spraying quan tity up to MAX position Fig 24 Fig 25 Indicators and control elements Water spraying system BVP 12 50 A 43 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 43: ...5 Checks prior to start up Checks prior to start up BVP 12 50 A 45 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 44: ...by fuels and lubricants Safety regulations and environmental protec tion regulations must be followed when han dling fuels and lubricants Ä Chapter 3 4 Han dling fuels and lubricants on page 23 WARNING Danger of injury caused by rotating parts Before starting work on the machine make sure that the engine can not be started 1 Park the machine safely Ä Chapter 6 5 Parking the machine in secured cond...

Page 45: ...ted connections for tight fit 3 Check machine for contamination and damage 4 Check the hydraulic oil cooler for dirt 5 Check starter rope for chafing Checks prior to start up Visual inspections and function tests BVP 12 50 A 47 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 46: ...lean cloth 3 Insert the dipstick into the oil filler socket do not screw it in but pull it out again to check the oil level ð The oil level must be between the MIN and MAX marks 4 NOTICE Danger of engine damage Do not fill in too much engine oil If the oil level is too low top up oil to the MAX mark 5 Screw the oil dipstick in B SYM 1068 Fig 26 B 834 0026 MAX MIN 1 Fig 27 Checks prior to start up ...

Page 47: ...y fill in fuel through a screen filter Use only fuel of the permitted specification Ä Chapter 8 2 2 Fuel on page 71 Protective equipment n Working clothes n Safety shoes n Protective gloves 1 Park the machine safely Ä Chapter 6 5 Parking the machine in secured condition on page 62 2 Clean the area around the filling port 3 Remove the cap and check the filling level visually 4 If necessary fill in ...

Page 48: ... Check the rubber buffer pairs left and right for tight fit cracks and tear offs ð Replace damaged rubber buffers immediately B SYM 1073 Fig 30 B 834 0161 Fig 31 Checks prior to start up Checking the rubber buffers BVP 12 50 A 50 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 49: ...port 2 Remove the cap 1 and check the water supply in the water tank 3 If necessary fill in clean water 4 Close the cap Alternatively the water tank can also be removed and transported for filling 1 Close the shut off valve 1 2 Loosen the hose clamp and pull the hose 2 off the shut off valve 3 Lift off the water tank upwards 1 Water B 834 0282 Fig 32 B 834 0160 1 2 Fig 33 Checks prior to start up ...

Page 50: ...6 Operation Operation BVP 12 50 A 53 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 51: ...e handle apart and plug it onto the brackets 2 Lock and secure the guide handle on both sides with split pins Fig 34 Operation Mounting the guide handle BVP 12 50 A 54 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 52: ...ective equipment pro tective gloves protective clothing Avoid touching hot components WARNING Loss of hearing caused by too high noise bur dens Wear your personal protective equipment ear protection Operate the machine only with the guide handle mounted and low ered Protective equipment n Hearing protection n Working clothes n Protective gloves n Safety shoes The engine does not start if the oil l...

Page 53: ... open to prevent the engine from stalling Close the choke 5 Set the throttle lever to MIN position 6 Turn the starter switch to ON position B HON 0035 Fig 35 B HON 0037 Fig 36 B 230 0096 MAX MIN Fig 37 B 834 0079 ON OFF I 0 Fig 38 Operation Starting the engine BVP 12 50 A 56 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 54: ...ndle back to initial position 11 If the engine does not start during the first attempt repeat the starting process 12 Open the choke bit by bit when the engine is running 13 Run the engine warm for approx 1 to 2 minutes in idle speed NOTICE Danger of engine damage Warm up engine for a short while before starting work Do not operate the engine immediately under full load 14 If the engine stops agai...

Page 55: ...ke 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 105 Operation Starting the engine BVP 12 50 A 58 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 56: ...tective equipment pro tective gloves protective clothing Avoid touching hot components WARNING Loss of hearing caused by too high noise bur dens Wear your personal protective equipment ear protection Protective equipment n Hearing protection n Working clothes n Protective gloves n Safety shoes 1 Make sure that no persons are in the danger zone 2 NOTICE The centrifugal clutch may be damaged Operate...

Page 57: ...r short work interruptions you should always return the throttle lever to MIN position idle speed ð Vibration is switched off Fig 43 Fig 44 Operation Operation BVP 12 50 A 60 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 58: ...hut off valve Position 0 Water spraying system off Turn anticlockwise Water spraying system on infinite adjustment of the spraying quantity up to MAX position Fig 45 Operation Switching the water spraying system on off BVP 12 50 A 61 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 59: ...tive gloves n Safety shoes 1 Park the machine on level and firm ground 2 Set the throttle lever to MIN position idle speed 3 NOTICE Danger of engine damage Do not shut down the engine all of a sudden from full load speed but let it idle for about two minutes Turn the starter switch to OFF position ð The engine is shut down B 834 0017 MAX MIN 1 2 Min Fig 46 B 834 0080 OFF 0 ON I Fig 47 Operation Pa...

Page 60: ...e completely 5 Secure the machine against unauthorised use B HON 0036 Fig 48 Operation Parking the machine in secured condition BVP 12 50 A 63 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 61: ...7 Loading transporting the machine Loading transporting the machine BVP 12 50 A 65 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 62: ...nts When lifting the machine avoid uncontrolled movements of the load If necessary hold the load with guide ropes Protective equipment n Protective gloves 1 Park the machine in secured condition Ä Chapter 6 5 Parking the machine in secured condition on page 62 2 Allow the engine to cool down 3 Fold the guide handle forwards 4 Attach the lifting tackle to the designated lifting eye 1 5 DANGER Dange...

Page 63: ...hine components Protective equipment n Protective gloves 1 Remove the water tank 2 Fold down the guide handle 3 Pull at least two suitable lashing belts crosswise across the marked lashing point 4 Lash the machine securely to the transport vehicle 5 Use suitable gear to prevent the guide handle from swinging over unintentionally Fig 51 Loading transporting the machine Lashing the machine to the tr...

Page 64: ...8 Maintenance Maintenance BVP 12 50 A 69 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 65: ...ark the machine on horizontal level firm ground Perform maintenance work only with the engine shut down and the spark plug connector disconnected Make sure that the engine cannot be accidentally started during maintenance work Thoroughly clean machine and engine before starting maintenance work Do not leave any tools or other objects that could cause damage in or on the machine After maintenance w...

Page 66: ...atures SAE 10W 30 is recommended for general use You may alternatively use 15W 40 except under low tempera tures 8 2 1 3 Oil change intervals Oil change interval semi annually or every 100 operating hours 8 2 2 Fuel 8 2 2 1 Fuel quality Use unleaded gasoline with a research octane number of 91 or higher or octane number 86 or higher Use unleaded standard grade gasoline with maximum 10 percent by v...

Page 67: ...facturer concerning the correct mixing ratio and shelf life Mixing in fuel stabilizer does not regenerate old fuel 8 2 3 Oil for exciter shaft housing Use only engine oils according to the following specifications n API CI 4 or higher quality Avoid mixing engine oils NOTICE Components may get damaged Do not use low ash engine oils for the exciter shaft housing Maintenance Fuels and lubricants BVP ...

Page 68: ...cation Ä Chapter 8 2 2 Fuel on page 71 2 0 l 0 5 gal us Fuel stabilizer Specification Ä Chapter 8 2 2 2 Fuel stabil izer on page 72 009 940 20 as required Exciter shaft housing SAE 10W 40 Specification Ä Chapter 8 2 3 Oil for exciter shaft housing on page 72 0 25 l 0 07 gal us SAE 15W 40 SAE 10W 30 Water tank Water 7 0 l 1 8 gal us Maintenance List of fuels and lubricants BVP 12 50 A 73 G o t o D ...

Page 69: ...d machine for leaks 3 Retighten the fastening screws on air filter exhaust and other attachments 4 Retighten the bolted connections on the machine 5 Checking the V belt Ä Chapter 8 9 4 Servicing the V belt on page 94 6 Check the oil level in the vibrator housing Ä Chapter 8 9 5 Checking the oil level in the exciter housing on page 96 Maintenance Running in instructions BVP 12 50 A 74 G o t o D i s...

Page 70: ...n the exciter housing 87 8 8 6 Replacing the air filter 87 8 8 7 Replacing the V belt 89 As required 8 9 1 Cleaning the machine 92 8 9 2 Cleaning the cooling fins and the cooling air intake openings 92 8 9 3 Checking cleaning the spark plug 93 8 9 4 Servicing the V belt 94 8 9 5 Checking the oil level in the exciter housing 96 8 9 6 Cleaning the water spraying system 97 8 9 7 Measures prior to ext...

Page 71: ...ilter ele ment If in doubt use a new air filter Protective equipment n Working clothes n Safety shoes n Protective gloves n Safety goggles 1 Park the machine safely Ä Chapter 6 5 Parking the machine in secured condition on page 62 2 Allow the engine to cool down 3 Unscrew wing nut 1 and remove cover 2 4 Clean the cover 5 Unscrew wing nut 3 and remove filter element 4 6 Check the rubber seal 5 repl...

Page 72: ...lement until it is free of dust 9 In case of excessive dirt replace the paper element 10 Clean the foam element 5 in warm soapy water rinse it and let it dry thoroughly 11 Soak the foam element in clean engine oil and press exces sive oil out 12 Check both elements thoroughly for holes and cracks 13 Replace if damaged 14 Pull the foam rubber element over the paper element Checking cleaning the air...

Page 73: ...ectly and tighten it with the wing nut 3 17 Tighten the cover 2 with the wing nut 1 18 Dispose of the filter element if replaced in an environmen tally friendly way Assembling the air filter B HON 0033 1 2 3 4 5 Fig 57 Maintenance Weekly BVP 12 50 A 78 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 74: ...ive equipment protective gloves protective clothing Avoid touching hot components Clean the area around oil dipstick 1 and drain plug 3 3 Unscrew the oil dipstick 4 Unscrew the drain plug and collect any oil running out 5 Clean the oil drain plug and screw it back in with a new seal ring 2 6 Fill in fresh oil up to the bottom edge of the filler bore 7 Push the oil dipstick 1 back in 8 Check for le...

Page 75: ... the machine in secured condition Ä Chapter 6 5 Parking the machine in secured condition on page 62 2 Let the engine cool down to 20 C 68 F 3 Unscrew the fastening screws 1 4 Remove valve cover 2 with seal 3 5 Set the piston to the top dead centre position of the compres sion stroke For this purpose align the alignment mark 2 on the starter disc to the top bore 1 Preparations Fig 61 Fig 62 Mainten...

Page 76: ...ed and pulled out with little resistance after retightening the counter nut 1 Install the valve cover 2 with a new seal 3 2 Tighten the fastening screws 1 evenly 3 After a short test run check the engine for leaks 8 8 2 Replacing the spark plug NOTICE Danger of engine damage Do not use spark plugs with incorrect heat value Checking the valve clearance Fig 63 Adjusting the valve clearance Fig 64 Co...

Page 77: ... new spark plug carefully by hand 7 Once the sealing surface of the new spark plug is in contact tighten for another 1 2 turn with the spark plug spanner 8 8 3 Cleaning the slurry filter and fuel strainer DANGER Danger to life caused by explosive gas air mixes Do not allow gasoline to come into contact with hot components Smoking and open fire is prohibited Keep away from heat sources sparks and o...

Page 78: ... a non inflammable solvent dry them thoroughly afterwards 6 Open the fuel valve and collect running out fuel 7 Close the fuel valve B HON 0036 Fig 67 1 2 3 B HON 0040 Fig 68 B HON 0035 Fig 69 Maintenance Annually BVP 12 50 A 83 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 79: ...ff the fuel hose 13 Unscrew the fuel strainer 3 with the seal 2 14 Clean the fuel strainer check the condition of the screen replace if necessary 15 Turn the fuel strainer tightly in with the new seal 16 Assemble the fuel hose with the hose clamp 1 2 3 A 1 B HON 0039 Fig 70 A View from below Alignment of filter during installation 1 2 B 834 0038 Fig 71 2 1 B 834 0039 3 Fig 72 Maintenance Annually ...

Page 80: ...ment n Working clothes n Protective gloves 1 Park the machine in secured condition Ä Chapter 6 5 Parking the machine in secured condition on page 62 2 Allow the engine to cool down 3 Disassembling the recoil starter 4 Pull the starter rope with the starter handle out completely 1 2 B 834 0038 Fig 73 Fig 74 Fig 75 Maintenance Annually BVP 12 50 A 85 G o t o D i s c o u n t E q u i p m e n t c o m t...

Page 81: ...ends and remove the old starter rope 8 Thread in the new starter rope 3 and fix it with knots on both ends 9 CAUTION Danger of injury caused by the starter handle hitting against your body Do not let the starter handle hit back Remove the fixing of the coil and run the starter handle slowly back to initial position 10 Pull the starter handle to check the function and light move ment of the recoil ...

Page 82: ...arking the machine in secured condition on page 62 3 Tilt the machine slightly towards the oil drain side and sup port it safely 4 Unscrew the oil drain plug 1 and collect running out oil 5 Stand the machine upright 6 Fill in oil up to the bottom edge of the bore 7 Screw in the plug 1 8 Dispose of oil in an environmentally friendly way 8 8 6 Replacing the air filter NOTICE Danger of engine damage ...

Page 83: ...eal 5 replace if necessary The rubber seal frequently sticks to the filter element 7 Replace paper element and foam element NOTICE Danger of engine damage Prevent dirt from getting into the air intake opening Do not clean the air filter housing with com pressed air 8 Clean the filter housing with a clean lint free cloth 9 Pull the foam rubber element over the paper element B HON 0033 1 2 3 4 5 Fig...

Page 84: ...tally friendly way 8 8 7 Replacing the V belt Protective equipment n Working clothes n Protective gloves 1 Park the machine in secured condition Ä Chapter 6 5 Parking the machine in secured condition on page 62 2 Allow the engine to cool down 3 Loosen the fastening screw 2 and remove the V belt guard 1 B HON 0033 1 2 3 4 5 Fig 84 Preparations Fig 85 Maintenance Annually BVP 12 50 A 89 G o t o D i ...

Page 85: ...with fastening screw 2 2 Check the V belt tension again after 25 operating hours tighten if necessary 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 Always hold on to a running machine Always keep an eye on a running machine Replacing the V belt Fig 86 Fig 87 Concluding work Fig...

Page 86: ...ck the base plate s frequency with a suitable measuring instrument e g Sirometer ð Nominal value Ä Chapter 2 Technical data on page 11 5 Park the machine safely Ä Chapter 6 5 Parking the machine in secured condition on page 62 6 If frequency incorrect n Check the engine speed n Check the V belt n If necessary contact our customer service Maintenance Annually BVP 12 50 A 91 G o t o D i s c o u n t ...

Page 87: ...ne warm for a while to avoid corrosion 8 9 2 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 For this reason you should always seal any oil or fuel leaks in the vicinity of the cooling fan ...

Page 88: ...ake or starter switch 1 CAUTION Danger of eye injuries caused by particles flying around Wear your personal protective equipment safety gloves protective working clothes goggles Spray the engine with a suitable non inflammable cleansing agent let is soak in for a while clean it off with water and blow out with compressed air 2 Warm up the engine for a while to avoid corrosion 3 Look for the cause ...

Page 89: ...Check the electrode gap of the spark plug with a feeler gauge if necessary adjust the gap ð Nominal value 0 7 0 8 mm 0 028 0 032 in 8 Carefully screw in the spark plug by hand 9 Once the sealing surface of the used spark plug is in contact tighten for another 1 8 to 1 4 turn with the spark plug spanner NOTICE Danger of engine damage caused by a loose spark plug Always screw the spark plug in corre...

Page 90: ... Ä Chapter 8 8 7 Replacing the V belt on page 89 1 Slightly loosen the fastening screws 1 on both sides 2 Pull the engine back until the correct V belt tension is reached 3 Tighten the fastening screws 1 on both sides Fig 92 Checking the V belt Fig 93 Tightening the V belt Fig 94 Maintenance As required BVP 12 50 A 95 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 91: ...lothes n Protective gloves 1 Park the machine on level ground 2 Park the machine in secured condition Ä Chapter 6 5 Parking the machine in secured condition on page 62 3 Clean the area around the plug 1 4 Unscrew the plug and check the oil level ð Nominal value Bottom edge of the bore 5 If the oil level is too low fill in oil to the bottom edge of the bore 6 Screw in the plug 1 Concluding work Fig...

Page 92: ...pen fire is prohibited Keep away from heat sources sparks and other sources of ignition Do not spill any gasoline If the machine is shut down for a longer period of time e g winter season the following work must be carried out Depending on weather influences these conservation measures will protect the machine for approx 6 to 12 months 1 Park the machine safely Ä Chapter 6 5 Parking the machine in...

Page 93: ... the drain plug with the seal on the carburettor 7 Assemble the filter bowl with the O ring 8 Dispose of fuel in line with environmental regulations Special tool n 13 16 inch spark plug spanner 1 Unscrew the spark plug using a 13 16 inch spark plug spanner 2 Fill in several drops of fresh engine oil through the ignition plug opening Emptying the fuel tank B HON 0036 Fig 98 B 834 0045 1 2 3 4 Fig 9...

Page 94: ...d moisture 4 A machine with conserved engine must be clearly marked by attaching an information sign 8 9 7 2 Measures before restarting DANGER Danger to life caused by explosive gas air mixes Do not allow gasoline to come into contact with hot components Smoking and open fire is prohibited Keep away from heat sources sparks and other sources of ignition Do not spill any gasoline 1 Check the oil le...

Page 95: ...9 Troubleshooting Troubleshooting BVP 12 50 A 101 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 96: ...efore 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 Troubleshooting Preliminary remarks BVP 12 50 A 102 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 97: ... recoil starter Starter rope of recoil starter does not return to initial position Recoil starter dirty Clean the recoil starter Insufficient pre tension of the spring Check the pre tension of the spring adjust if necessary Spring broken Replace the recoil starter Low engine power Air filter clogged Clean the air filter replace if necessary Throttle cable defective Have checked by qualified expert...

Page 98: ...heck the engine oil level correct if nec essary Engine runs with high speed but no vibration Centrifugal clutch defective Have checked by qualified expert per sonnel V belt broken Replacing the V belt Troubleshooting Engine malfunctions BVP 12 50 A 104 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 99: ...uipment n Working clothes n Safety shoes n Protective gloves n Safety goggles Special tool n 13 16 inch spark plug spanner 1 Allow the engine to cool down 2 Close the fuel valve 3 Pull off the spark plug socket 4 Unscrew the spark plug using a 13 16 inch spark plug spanner 5 Have a cloth ready to soak up the fuel B HON 0036 Fig 102 B 834 0029 Fig 103 Troubleshooting What to do if the engine has fl...

Page 100: ... 7 0 8 mm 0 028 0 032 in 12 Screw the used spark plug carefully in by hand and once the sealing surface of the used spark plug is in contact tighten it for another 1 8 to 1 4 turn with the spark plug spanner 13 Once the sealing surface of the new spark plug is in contact tighten for another 1 2 turn with the spark plug spanner NOTICE Danger of engine damage caused by a loose spark plug Always scre...

Page 101: ...10 Disposal Disposal BVP 12 50 A 107 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 102: ... of ignition Do not spill any gasoline Components that previously contained gaso line must not be cut with a cutting torch WARNING Health hazard caused by fuels and lubricants Safety regulations and environmental protec tion regulations must be followed when han dling fuels and lubricants Ä Chapter 3 4 Han dling fuels and lubricants on page 23 Protective equipment n Working clothes n Safety shoes ...

Page 103: ...11 List of special tools List of special tools BVP 12 50 A 109 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 104: ...ark plug spanner Fig Sirometer Measuring instrument for speed and frequency BOMAG 059 710 02 Fig List of special tools BVP 12 50 A 110 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 105: ...ne needs We sell worldwide for the brands Genie Terex JLG MultiQuip Mikasa Essick Whiteman Mayco Toro Stone Diamond Products Generac Magnum Airman Haulotte Barreto 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 M...

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