Fayat Bomag BP 25/50 Operating Instruction, Maintenance Instruction Download

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4.1 Engine

4.1.1 Overview

Fig. 8

Start switch

Throttle lever

Choke lever

Recoil starter

Fuel valve

4.1.2 Start switch

Position "0"

Ignition off

Position "I"

Ignition on

Fig. 9

Display and control elements – Engine

BP 25/50

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Summary of Contents for Bomag BP 25/50

Page 1: ...ry plate Operating Instruction Maintenance Instruction Original Operating Instructions S N 101 230 17 1001 12 2014 008 201 17 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: ...encies misuse of safety installations 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 stabiliser 26 3 5 Loading transp...

Page 4: ...gine 51 6 3 Operation 54 6 4 Switching the water sprinkling system on off 55 6 5 Park the machine in secured condition 56 7 Loading transporting the machine 57 7 1 Loading the machine 58 7 2 Lashing the machine to the transport vehicle 59 7 3 Transport wheels 60 7 3 1 Transport wheels with steering bow in middle position 61 8 Maintenance 63 8 1 Preliminary remarks and safety notes 64 8 2 Fuels and...

Page 5: ...5 8 9 4 Change the oil in the exciter housing 87 8 9 5 Checking the rubber buffers 87 8 10 As required 89 8 10 1 Cleaning the machine 89 8 10 2 Cleaning the water sprinkling system 89 8 10 3 Measures to be applied for longer periods of rest 90 9 Trouble shooting 93 9 1 Preliminary remarks 94 9 2 Engine faults 95 9 3 What to do if the engine has flooded 97 10 Waste disposal 99 10 1 Final shut down ...

Page 6: ...1 Introduction Introduction BP 25 50 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 7: ... of the machine You should only operate the machine in compliance with these instructions Strictly observe the safety regulations If you are not yet acquainted with the controls and indicating ele ments on this machine you should thoroughly read the corre sponding sectionÄ Chapter 4 Display and control elements on page 35beforehand The description of the individual operating steps including the no...

Page 8: ...t 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 We wish you successful work with your BOMAG machine Introduction Foreword BP 25 50 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 u r p a r t s ...

Page 9: ... 1 Serial number 2 Please enter here Engine type Engine number Fig 1 Machine type plate example Engine type and engine number Fig 2 Introduction Machine type plate and engine type plate BP 25 50 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 10: ...2 Technical data Technical data BP 25 50 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 11: ...sions in inch Weights Operating weight CECE 108 238 kg lbs Basic weight 107 236 kg lbs Water sprinkling system optional equipment 10 22 kg lbs Transport wheels optional equipment 4 9 kg lbs Dimensions Technical data BP 25 50 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 12: ...eed 3600 min 1 Drive system mechanical Exciter system Frequency 92 5520 Hz vpm Centrifugal force 25 5620 kN lbf Amplitude 1 11 0 044 mm in Water sprinkling system optional equipment Type of sprinkling Gravity feed Filling capacities Fuel gasoline 3 1 0 8 each l gal us Water sprinkling system 13 5 3 6 each l gal us Technical data BP 25 50 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...

Page 13: ...ed acc to ISO 11204 and EN 500 WARNING Loos of hearing caused by too high noise burdens Wear your personal protective outfit ear defenders LWA 108 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 Weighted total vibration value ahv 5 2 m s2 on crushed rock determined acc to ISO 5349 and EN 500 Observe...

Page 14: ...3 Concerning your safety Concerning your safety BP 25 50 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 15: ...raffic regulations n country 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 amnd 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 with t...

Page 16: ...of fuels and lubricants as well as replacement parts 3 1 3 Personal protective outfit Depending on the work to be carried out personal protective outfit 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 protects against being caught by moving components Safety shoes To protect ag...

Page 17: ...use also includes compliance with the specified oper ating maintenance and repair measures 3 1 5 Unintended 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 intended use is the sole responsibility of the customer or driver operator the manufacturer cannot be made liable Examples for unintended use are n dragging the mach...

Page 18: ...d before operation Starting and operation of the machine in explosive environments and in underground mining is prohibited Concerning your safety General prerequisites BP 25 50 19 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 19: ... applicable governmental indus trial safety regulations accident prevention instructions guidelines and generally acknowledged technical rules and regulations standards directives technical rules of other member states of the European Union or other contractual states concerning the agreement about the European Economic Area in as far as is nec essary to be able to judge the safe condition of thes...

Page 20: ...ific knowledge and must therefore only be performed by trained specialists Concerning your safety Terminological definition of the responsible persons BP 25 50 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 21: ... from the operation of the machine 3 3 2 Regular safety inspections Have the machine inspected by an expert capable person as required for the conditions the machine is working under but at least once every year 3 3 3 Changes and conversions to the machine Unauthorized changes to the machine are prohibited for safety rea sons Original parts and accessories have been specially designed for this mac...

Page 22: ... n Composition information about 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 o...

Page 23: ...sonal protective outfit protective 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 regu...

Page 24: ...line 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 fue...

Page 25: ...protective 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 regula tions Dispose of fuel stabilizer according to regulations Concerni...

Page 26: ...transport 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 av...

Page 27: ...park 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 The machine must not be operated with damaged missing or non functional safety installations Before starting and moving the machine make sure that there...

Page 28: ...o hat your hands do not hit against solid objects Watch out for unusual noises and development of smoke Perform trouble shooting and have the fault corrected 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 the machine against accidental tipping over n Secure the machine against unauthorized use Mark machines whic...

Page 29: ...lectrostatic 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 BP 25 50 30 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...

Page 30: ...the air filter no dirt should fall into the air duct Do not work on the hot exhaust danger of burning Store used filters and other oil contaminated materials in 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 easi...

Page 31: ...vant 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 BP 25 50 32 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 32: ...kers and decals 1 Information sticker Gasoline 2 Information sticker Lashing point 3 Information sticker Lifting point 4 Instruction sticker Wear ear defenders 5 Information sticker Guaranteed sound capacity level 6 Brief operating instructions 7 Maintenance sticker Concerning your safety Stickers and decals BP 25 50 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 ...

Page 33: ...1 Information sticker Water Fig 7 Stickers on water tank Concerning your safety Stickers and decals BP 25 50 34 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: ...4 Display and control elements Display and control elements BP 25 50 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 35: ...ttle lever 3 Choke lever 4 Recoil starter 5 Fuel valve 4 1 2 Start switch Position 0 Ignition off Position I Ignition on Fig 9 Display and control elements Engine BP 25 50 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 36: ...AX Maximum speed 4 1 4 Choke lever Position Left Choke closed Position Right Choke open 4 1 5 Recoil starter Fig 10 Fig 11 Fig 12 Display and control elements Engine BP 25 50 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 r d e r y o u r p a r t s ...

Page 37: ...Fuel valve Position Left Fuel valve closed Position Right Fuel valve open Fig 13 Display and control elements Engine BP 25 50 38 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 38: ...rinkling system Position 0 Water sprinkling system off turn anticlockwise Water sprinkling system on infinite adjustment of the sprinkling quantity up to position MAX Fig 14 Fig 15 Display and control elements Water sprinkling system BP 25 50 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: ...s Fig 16 1 Locking of guide handle 2 Locking of transport wheels Optional equipment Display and control elements Transport wheels BP 25 50 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: ...teering bow in middle position Fig 17 1 Locking of guide handle 2 Locking of transport wheels Display and control elements Transport wheels BP 25 50 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: ...5 Tests before taking into operation Tests before taking into operation BP 25 50 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 42: ...y regulations and environmental protection regulations when handling fuels and lubricants must be followedÄ Chapter 3 4 Handling 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 in secured conditionÄ Chapter 6 5 Park the machine in secured condition on page 56 Tests ...

Page 43: ...aks 2 Check bolted connections for tight fit 3 Check machine for contamination and damage 4 Check the starter rope for chafing Tests before taking into operation Visual inspections and function tests BP 25 50 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: ... free clean 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 4 NOTICE Danger of engine damage Do not overfill with engine oil The oil level must always be between the MIN and MAX marks If the oil level is too low top up oil to the MAX mark immediately Fig 18 Tests before taking into operation Checking the engine oil level BP 25 ...

Page 45: ... engine If necessary fill in fuel through a screen filter Use only fuel of the permitted specifica tionÄ Chapter 8 2 2 Fuel on page 65 Protective equipment n Working clothes n Protective gloves 1 Park the machine in secured conditionÄ Chapter 6 5 Park the machine in secured condition on page 56 2 Clean the area around the filler opening 3 Remove the tank filler cap 4 Fill in fuel through a funnel ...

Page 46: ...pose of environmentally 1 Check the water tank filling level replenish as necessary 2 For filling up remove the locking cap and fill in clean water The water tank can alternatively also be removed for filling 1 Pull the hose 1 off the water tank 2 Pull out the spring pin 2 3 Pull out the bolt 3 and take off the water tank 4 Insert the bolt through the guides on the water tank and insert the spring...

Page 47: ...6 Operation Operation BP 25 50 49 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 48: ...eering bow apart and plug it onto the bracket 2 Lock and secure the steering bow on both sides with split pins Fig 22 Operation Assembling the steering bow BP 25 50 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: ...n trenches WARNING Loos of hearing caused by too high noise burdens Wear your personal protective outfit ear defenders Protective equipment n Hearing protection n Safety shoes The engine does not start if the oil level is too low 1 Fully open the fuel tap 2 Do NOT operate the choke lever when the engine is warm or at high ambient temperatures Close the choke Fig 23 Fig 24 Operation Start the engin...

Page 50: ...nger of injury caused by uncontrolled machine movement Always hold on to a running machine Always keep an eye on a running machine NOTICE The starter rope may tear off Do not pull the starter rope all the way against the end stop Pull the starter handle quickly and with power Fig 25 Fig 26 Fig 27 Fig 28 Operation Start the engine BP 25 50 52 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 ...

Page 51: ...work Do not operate the engine immediately under full load ð Operation of the machine can be started as soon as the engine responds to short throttle commands 12 Should the engine stop again after approx 3 to 5 seconds n Close the choke again n Repeat the starting procedure If the recoil starter is frequently operated with the choke closed the engine will draw in too much fuel and is unable to sta...

Page 52: ... equipment n Hearing protection n Safety shoes 1 NOTICE The centrifugal clutch may be damaged Operate the machine only with full engine speed Set the throttle lever to position MAX ð The machine works with highest frequency 2 Always shift the throttle lever to position MIN for short work breaks ð This prevents premature wear of the centrifugal clutch Fig 31 Fig 32 Operation Operation BP 25 50 54 G...

Page 53: ... button Position 0 Water sprinkling system off turn anticlockwise Water sprinkling system on infinite adjustment of the sprinkling quantity up to position MAX Fig 33 Operation Switching the water sprinkling system on off BP 25 50 55 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: ...amage Do not shut down the engine all of a sudden from full load speed but let it idle for about 2 minutes Switch the starter switch to position 0 ð The engine is shut down 4 Close the fuel valve completely Fig 34 Fig 35 Fig 36 Operation Park the machine in secured condition BP 25 50 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 55: ...7 Loading transporting the machine Loading transporting the machine BP 25 50 57 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: ...e damaged by machine components 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 conditionÄ Chapter 6 5 Park the machine in secured condition on page 56 2 Allow the engine to cool down 3 Attach the lifting tackle to the dedicated lifting eye 4 DANGER Danger to life ca...

Page 57: ...in the prescribed direction of load application Lifting tackle must not be damaged by machine components Protective equipment n Protective gloves 1 Fasten the lashing gear to the marked lashing points 2 Lash the machine securely to the transport vehicle Fig 39 Loading transporting the machine Lashing the machine to the transport vehicle BP 25 50 59 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 58: ...ing bolts 1 3 Unlock the safety bolt 2 and fold down the transport wheels 4 Push the machine up by the steering bow and fold the trans port wheels under the base plate ð The machine can now be moved Fig 40 Fig 41 Fig 42 Loading transporting the machine Transport wheels BP 25 50 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 59: ...eering bow with the hook 1 3 Unlock the safety bolt 2 and fold down the transport wheels 4 Push the machine up by the steering bow and fold the trans port wheels under the base plate ð The machine can now be moved Fig 43 Fig 44 Fig 45 Loading transporting the machine Transport wheels BP 25 50 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 60: ...8 Maintenance Maintenance BP 25 50 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: ... Handling fuels and lubricants on page 23 1 Thoroughly clean machine and engine before starting main tenance work 2 For all maintenance work park the machine is secured condi tionÄ Chapter 6 5 Park the machine in secured condition on page 56 3 Wear your personal protective outfit 4 Do not touch hot engine parts 5 Generally perform maintenance work only with the engine shut down and the spark plug ...

Page 62: ...n be used as long as the average tempera tures iat the place of use stay within the specified limits You may alternatively use 15W 40 except under low tempera tures 8 2 1 3 Oil change intervals Oil change interval for API SJ every half year or every 100 oper ating 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...

Page 63: ...ly after you have purchased fresh fuel The fuel stabilizer has a limited shelf life Please follow the instructions of the manufacturer concerning the correct mixing ratio and shelf life Mixing in fuel stabilizer does not regenerate old fuel Maintenance Fuels and lubricants BP 25 50 66 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 64: ...30 Fuel Gasoline unleaded Specification Ä Chapter 8 2 2 Fuel on page 65 3 1 l 0 8 gal us Fuel stabilizer Specification Ä Chapter 8 2 2 2 Fuel stabil izer on page 66 009 940 20 as required Vibrator shaft housing as engine oil 0 3 l 0 08 gal us Water tank Water Anti freeze mixture 13 5 l 3 6 gal us Maintenance Table of fuels and lubricants BP 25 50 67 G o t o D i s c o u n t E q u i p m e n t c o m ...

Page 65: ...and 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 beltÄ Chapter 8 8 5 Servicing the V belt on page 78 6 Check the oil level in the vibrator housingÄ Chapter 8 8 4 Checking the oil level in the exciter housing on page 78 Maintenance Running in instructions BP 25 50 68 G o t o D i s c ...

Page 66: ...the oil level in the exciter housing 78 8 8 5 Servicing the V belt 78 Annually 8 9 1 Checking adjusting the valve clearance 81 8 9 2 Cleaning the fuel screen 83 8 9 3 Replacing the starter rope 85 8 9 4 Change the oil in the exciter housing 87 8 9 5 Checking the rubber buffers 87 As required 8 10 1 Cleaning the machine 89 8 10 2 Cleaning the water sprinkling system 89 8 10 3 Measures to be applied...

Page 67: ...ne or hot fluids to clean the filter element Do not continue to use a damaged air filter ele ment If in doubt use a new air filter Protective equipment n Working clothes n Protective gloves n Safety goggles 1 Park the machine in secured conditionÄ Chapter 6 5 Park the machine in secured condition on page 56 2 Allow the engine to cool down 3 Disassemble wing nut 1 and air filter lid 2 4 Clean the a...

Page 68: ...e gun up and down inside the element until it if free of dust 9 In case of excessive dirt replace the paper element 10 Clean the foam insert 5 in warm soapy water rinse it and let it dry thoroughly 11 Soak the foam insert in clean engine oil and press excessive oil out 12 Check both elements thoroughly for holes and cracks 13 Replace if damaged Checking cleaning the air filter Fig 48 Fig 49 Mainte...

Page 69: ...lement 4 15 Install the rubber seal 6 16 Insert the air filter correctly and tighten it with the wing nut 3 17 Reassemble the housing cover 2 with the wing nut 1 Assembling the air filter Fig 50 Maintenance Weekly BP 25 50 72 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 70: ...hine in secured condition on page 56 2 Allow the engine to cool down 3 Loosen dried on dirt with a suitable brush from all cooling fins and cooling air intake openings 4 CAUTION Danger of eye injuries caused by particles flying around Wear your personal protective equipment safety gloves protective working clothes goggles Blow cooling fins and cooling air intake openings out with compressed air On...

Page 71: ...ective 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 Run the engine warm for a while to avoid corrosion 3 Look for the cause of oily contamination and have any leaks sealed by our customer service Maintenance Monthly BP 25 50 74 G o t o...

Page 72: ...ition on page 56 2 WARNING Danger of burning on hot components Wear your personal protective outfit protec tive gloves protective clothing Clean the area around oil dipstick 1 and drain plug 3 3 Unscrew the oil dipstick 4 Unscrew the oil drain plug and catch any oil running out 5 Clean the oil drain plug and screw it back in with a new seal ring 2 6 Fill in oil up to the bottom edge of the filler ...

Page 73: ... inch spark plug spanner 5 Check the condition of the spark plug clean if necessary 6 In case of excessive combustion residues or burned off elec trodes replace the spark plug 7 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 Turn the spark plug carefully in by hand 9 Once the sealing surface of the new spark plu...

Page 74: ...ent n Working clothes n Protective gloves 1 Park the machine in secured conditionÄ Chapter 6 5 Park the machine in secured condition on page 56 2 Close the fuel valve 3 Disassemble filter bowl 3 O ring 2 and filter 1 4 Clean filter bowl and filter in a non inflammable solvent dry thoroughly after 5 Check the O ring for damage replace if necessary 6 Assemble the filter Observe the alignment A of th...

Page 75: ... Chapter 6 5 Park the machine in secured condition on page 56 3 Allow the machine to cool down 4 Unscrew the oil level inspection plug 1 and check the oil level ð The oil level must reach the bottom edge of the opening if necessary fill in oil 5 Turn the locking screw 1 in 8 8 5 Servicing the V belt 1 Park the machine in secured conditionÄ Chapter 6 5 Park the machine in secured condition on page ...

Page 76: ... 0 4 in 2 Replace a damaged V belt 1 Slightly loosen the fastening screws 1 on both sides 2 Pull the engine carrier forward and take the V belt off 3 Install the new V belt and tighten it Fig 60 Checking the V belt Fig 61 Replacing the V belt Fig 62 Maintenance Half annually BP 25 50 79 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 77: ...h sides 1 Assemble V belt guard 3 with washers 2 and fastening screws 1 2 Check the V belt tension again after 25 operating hours tighten if necessary Tightening the V belt Fig 63 Final work Fig 64 Maintenance Half annually BP 25 50 80 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 78: ...Protective equipment n Working clothes n Protective gloves 1 Park the machine in secured conditionÄ Chapter 6 5 Park the machine in secured condition on page 56 2 Let the engine cool down to 20 C 68 F 3 Unscrew the fastening screws 1 4 Remove valve cover 2 with gasket 3 5 Set the piston to top dead centre position of the compression stroke For this purpose align the alignment mark 2 on the starter...

Page 79: ...m and loosen counter nut 2 2 Adjust the hexagon nut until the feeler gauge can be inserted and pulled out with little resistance after retightening the counter nut 1 Install the valve cover 2 with a new gasket 3 2 Tighten the fastening screws 1 Checking the valve clearance Fig 67 Adjusting the valve clearance Fig 68 Final work Fig 69 Maintenance Annually BP 25 50 82 G o t o D i s c o u n t E q u i...

Page 80: ...r sources of ignition Do not spill any gasoline Protective equipment n Working clothes n Protective gloves 1 Park the machine in secured conditionÄ Chapter 6 5 Park the machine in secured condition on page 56 2 Allow the engine to cool down 3 Close the fuel valve 4 Disassemble filter bowl 1 and O ring 2 Fig 70 Fig 71 Maintenance Annually BP 25 50 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 ...

Page 81: ...fuel tank 10 Loosen the hose clamp 1 and pull off the fuel hose 11 Unscrew the fuel screen 3 with the seal 2 12 Clean the fuel screen check the condition of the screen holes replace if necessary 13 Turn the fuel screen filter tightly in with the new seal 14 Assemble the fuel hose with the hose clamp Fig 72 Fig 73 Fig 74 Fig 75 Maintenance Annually BP 25 50 84 G o t o D i s c o u n t E q u i p m e ...

Page 82: ...ing clothes n Protective gloves 1 Park the machine in secured conditionÄ Chapter 6 5 Park the machine in secured condition on page 56 2 Allow the engine to cool down 3 Disassembling the recoil starter 4 Pull the starter rope with the starter handle out completely Fig 76 Fig 77 Fig 78 Maintenance Annually BP 25 50 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 o o r d e r y o u r p a r t s ...

Page 83: ... 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 84: ...ine in secured condition on page 56 3 Tilt the machine slightly towards the oil drain side and sup port it safely 4 Unscrew oil drain plug 1 and catch running out oil 5 Stand the machine horizontally 6 Fill in oil up to the bottom edge of the bore 7 Turn the locking screw 1 in 8 Dispose of old oil environmentally 8 9 5 Checking the rubber buffers 1 Park the machine in secured conditionÄ Chapter 6 ...

Page 85: ...rubber buffers for tight fit cracks and tear offs 4 Replace damaged rubber buffers immediately Fig 85 Maintenance Annually BP 25 50 88 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 86: ...ettor recoil starter air intake or starter switch 3 Clean the machine with a water jet 4 Run the engine warm for a while to avoid corrosion 8 10 2 Cleaning the water sprinkling system 1 Remove the locking cap 2 2 Pull the hose 3 off the water tank 3 Open the rotary knob 1 completely and let all water run out Alternatively you may also remove the water tank for cleaning 4 Flush the water tank with ...

Page 87: ...ths 1 Park the machine in secured conditionÄ Chapter 6 5 Park the machine in secured condition on page 56 2 Allow the engine to cool down for at least 30 minutes 3 Clean the machine thoroughly 4 Change the engine oilÄ Chapter 8 8 1 Changing the engine oil on page 75 5 Use fuel stabilizer or drain off fuel completely 1 Mix fresh fuel with fuel stabilizer follow the instructions of the manufacturer ...

Page 88: ...mes with the recoil starter to dis tribute the oil in the cylinder 4 Screw the spark plug back in 5 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 ð Valves will be closed so that no moisture can enter into the cylinder 6 Slowly guide the starter rope back 1 After shutting down store the machine under cover in ...

Page 89: ...parks and other sources of ignition Do not spill any gasoline 1 Check the oil levels 2 If the fuel has been drained off before shutting down you must now fill in fuel 3 Check hoses and lines for cracks and leaks 4 Clean the machine thoroughly 5 Start the engine and run it 15 to 30 minutes with idle speed Maintenance As required BP 25 50 92 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 ...

Page 90: ...9 Trouble shooting Trouble shooting BP 25 50 93 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: ...refore thoroughly read these instruction on correct oper ation 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 Trouble shooting Preliminary remarks BP 25 50 94 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 92: ... the recoil starter Starter rope of recoil starter does not return to initial position Recoil starter dirty Clean the recoil starter Pretension of spring too weak Check the pretension 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 per s...

Page 93: ... 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 Replace the V belt Trouble shooting Engine faults BP 25 50 96 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 94: ...protection n Safety shoes 1 Close the fuel valve 2 Open the choke 3 Set the throttle lever to position MAX Fig 91 Fig 92 Fig 93 Trouble shooting What to do if the engine has flooded BP 25 50 97 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 95: ...ral times 5 CAUTION Danger of eye injuries caused by particles flying around Wear your personal protective equipment safety gloves protective working clothes goggles Dry the spark plug with a clean cloth or blow it dry with com pressed air 6 If necessary clean the spark plug with a wire brush 7 Screw the spark plug carefully in by hand and once the sealing surface of the used spark plug is in cont...

Page 96: ...10 Waste disposal Waste disposal BP 25 50 99 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: ... Do not spill any gasoline Components that previously contained gasoline must not be cut with a cutting torch WARNING Health hazard caused by fuels and lubricants Safety regulations and environmental protection regulations when handling fuels and lubricants must be followedÄ Chapter 3 4 Handling fuels and lubricants on page 23 Protective equipment n Working clothes n Safety shoes n Protective glov...

Page 98: ...11 List of special tools List of special tools BP 25 50 101 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 99: ...13 16 inch spark plug spanner Fig List of special tools BP 25 50 102 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 100: ...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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