Fayat Group BOMAG BP 10/35 Service Manual
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Fayat Group BOMAG BP 10/35 Service Manual

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Service Manual
BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 /
BVP 12/50 / BVP 18/45
S/N 101 230 21 1001 / S/N 101 230 23 1001 / S/N 101 230
24 1001 / S/N 861 834 13 1001 /S/N 861 834 20 1001 / S/N
861 834 28 1001
Vibratory plate
www.discount-equipment.com
008 402 40 EN
© 09/2018

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Summary of Contents for Fayat Group BOMAG BP 10/35

  • Page 1 Service Manual BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45 S/N 101 230 21 1001 / S/N 101 230 23 1001 / S/N 101 230 24 1001 / S/N 861 834 13 1001 /S/N 861 834 20 1001 / S/N 861 834 28 1001 Vibratory plate www.discount-equipment.com...
  • Page 2 Discount-Equipment.com is your online resource for quality parts & equipment. Florida: 561-964-4949 Outside Florida TOLL FREE: 877-690-3101 Need parts? Click on this link: http://www.discount-equipment.com/category/5443-parts/ choose one of the options to help get the right parts and equipment you are looking for.

  • Page 3: Table Of Contents

    Table of contents Table of contents General..............................5 1.1 Introduction........................... 6 1.2 Concerning your safety........................ 8 1.2.1 Basic prerequisites........................8 1.2.2 Definition of responsible persons....................11 1.2.3 Basic safety regulations for safe operation................12 1.2.4 Handling fuels and lubricants..................... 13 1.2.5 Loading/transporting the machine....................
  • Page 4 Table of contents 4.1.9 Replacing the starter rope......................82 4.1.10 Checking, adjusting the valve clearance.................. 84 4.2 Exciter unit........................... 87 4.2.1 Changing the oil in the exciter housing..................88 4.2.2 Exciter repair..........................88 4.3 Chassis............................95 4.3.1 Checking the rubber buffers....................... 96 4.3.2 Checking the water level, topping up..................

  • Page 5: General

    General General BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...

  • Page 6: Introduction

    General – Introduction 1.1 Introduction General This manual: addresses the BOMAG Customer Service and professionally trained personnel. provides support for repair work or maintenance procedures on the machine. This manual described the deinstallation, dismantling , assembly, installation as well as the repair of components and assembly groups as far as this makes sense with respect to tools and spare parts supply.
  • Page 7 General – Introduction Updating service This manual is not subject of an updating service. For this reason we would like to draw your attention to the additionally published service informations. In case of a new release all necessary changes will be included. In the course of technical development we reserve the right for technical modifications without prior notification.

  • Page 8: Concerning Your Safety

    General – Concerning your safety 1.2 Concerning your safety 1.2.1 Basic prerequisites 1.2.1.1 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 9 General – Concerning your safety 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 10 General – Concerning your safety 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 11: Definition Of Responsible Persons

    General – Concerning your safety 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 12: Basic Safety Regulations For Safe Operation

    General – Concerning your safety 1.2.2.3 Driver / operator This machine must only be operated by trained, instructed persons entrusted by the operating company aged 18 or more. Observe your local laws and regulations. Rights, obligations and rules of conduct for driver or operator: The driver or operator must: be instructed about his rights and obligations, wear protective equipment as appropriate for the application,...

  • Page 13: Handling Fuels And Lubricants

    General – Concerning your safety Original parts and accessories have been specially designed for this machine. We wish to make explicitly clear that we have not tested or approved any parts or accessories not supplied by us. The installation and/or use of such products may have an adverse effect on the active and/or passive safety.
  • Page 14 General – Concerning your safety 1.2.4.2 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 15 General – Concerning your safety 1.2.4.3 Safety regulations and environmental protection regulations for handling gasoline 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. –...

  • Page 16: Loading/Transporting The Machine

    General – Concerning your safety 1.2.4.4 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. – Smoking and open fire is prohibited. WARNING! Health hazard caused by contact with fuel sta- bilizer!

  • Page 17: Start-Up Procedure

    General – Concerning your safety Danger to the life of persons if they step or stand under a sus- pended load. When lifting the machine avoid uncontrolled movements of the load. If necessary hold the load with guide ropes. 1.2.6 Start-up procedure 1.2.6.1 Prior to starting up Use only machines which are serviced at regular intervals.

  • Page 18: Operation

    General – Concerning your safety Always keep an eye on the machine when the engine is running and hold it by the steering bow. Do not inhale exhaust fumes, because they contain toxic sub- stances, which could cause damage to health, unconsciousness or even death.

  • Page 19: Refuelling

    General – Concerning your safety 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). 1.2.7.3 Parking the machine Park the machine on horizontal, level, firm ground. Before leaving the machine: Shut down the engine, Secure the machine against accidental tipping over,...

  • Page 20: Repair

    General – Concerning your safety 1.2.9.2 Working on the engine Drain the engine oil at operating temperature – danger of scalding! Wipe off spilled oil, catch running out oil and dispose of environ- mentally. When working on 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.
  • Page 21 General – Concerning your safety Made by Gasoline/Benzin Designation Type Nominal Power Operating Mass Year of Construction Serial-No. Patent Protection Made in Germany Water START OPERATION STOP STOP 1-2 MINUTEN B-230-0111 Fig. 3 BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...
  • Page 22 General – Concerning your safety Made by Designation Type Gasoline/Benzin Nominal Power Operating Mass Year of Construction Serial-No. Patent Protection Made in Germany Water START OPERATION STOP STOP 1-2 MINUTEN B-230-0112 Fig. 4 BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...
  • Page 23 General – Concerning your safety Made by Designation Type Nominal Power Operating Mass Year of Construction Serial-No. Patent Protection Made in Germany Gasoline/Benzin Water START OPERATION STOP STOP 1-2 MINUTEN B-230-0113 Fig. 5 Warning sticker - Follow operating instructions Fig. 6 BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...
  • Page 24 General – Concerning your safety Instruction sticker - Wear ear defenders Fig. 7 Information sticker - Lifting point Fig. 8 Information sticker - Lashing point Fig. 9 Information sticker - Guaranteed sound capacity level Fig. 10 BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...
  • Page 25 General – Concerning your safety Information sticker - Filler opening for petrol Gasoline/Benzin B-DEC-0216 Fig. 11 Information sticker - Filler opening for water Water B-DEC-0218 Fig. 12 BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...
  • Page 26 General – Concerning your safety Brief operating instructions Fig. 13 BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...
  • Page 27 General – Concerning your safety Maintenance sticker Fig. 14 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 BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...

  • Page 28: Maintenance And Repair

    General – Maintenance and repair 1.3 Maintenance and repair 1.3.1 Notes on repair 1.3.1.1 General repair instructions NOTICE! Ensure strict cleanliness when performing repair work! – No foreign objects should enter into open sys- tems. – Thoroughly clean the area around the affected components.
  • Page 29 General – Maintenance and repair Always keep battery poles and terminal clams clean to avoid high transition resistances when starting and the related devel- opment of heat. Make sure the battery is properly fastened in the vehicle. Generator Before removing the generator you must disconnect the ground cable from the minus pole of the battery while the ignition is switched off.
  • Page 30 General – Maintenance and repair 1.3.1.1.2 Repair notes for gaskets and mating surfaces Leaking sealing faces can mostly be traced back to incorrect assembly of seals and gaskets. Before assembling a new seal or gasket make sure that the sealing surface is free of pitting, flutes, corrosion or other damage.
  • Page 31 General – Maintenance and repair Press or knock the seal into the housing, until it is flush with the housing surface. NOTICE! Use an assembly bell. If possible, use an "assembly bell" (1 ), to make sure that the seal will not skew. In some cases it may be advisable to assemble the seal into the housing first, before sliding it over the shaft.
  • Page 32 General – Maintenance and repair NOTICE! When assembling the ball or roller bearing to the shaft load must only be applied to the inner race (1). When fitting the bearing into the housing load must only be applied to the outer race (2). Fig.
  • Page 33 General – Maintenance and repair NOTICE! Tighten screws and nuts in accordance with the values in the following tables. Tightening torques deviating from the ones in the table are specially mentioned in the repair instructions. Damaged screws must not be used again. Recutting threads with thread cutters or taps adversely affects the strength and leak tightness of the screw joint.
  • Page 34 General – Maintenance and repair Strength classes of metric nuts Nuts are differentiated by three load groups. Each load group has a special designation system for the strength class assigned, so that the load group can be clearly identified. Nuts (1) for screw connections with full load capacity In a connection with a screw, these nuts (1) must be able to bear the full pre-load at the yield point.
  • Page 35 General – Maintenance and repair Studs (1) At the outmost end a short end of the component is reduced to its core diameter. Nuts (2). An uninterrupted series of stamped in circles parallel to the axis of the nut on a hexagon area. Screws (3) The screw head is marked with a stamped in, round cavity.
  • Page 36 General – Maintenance and repair Tightening torques Nm (Coefficient of friction µ tot. = 0.14) Screw dimension 10.9 12.9 1000 1200 1050 1480 1774 1420 2010 2400 Tightening torques for screws with metric unified fine thread Tightening torques Nm (Coefficient of friction µ tot. = 0.14) Screw dimension 10.9 12.9...
  • Page 37 General – Maintenance and repair Tightening torques Nm Screw dimension 10.9 12.9 1184 1520 M27 x 2 1263 1536 1136 1608 1920 M30 x 2 1255 1804 2156 ² - 10 UNC ² - 16 UNC Anti-seizure paste (copper paste) is used for the assembly of screw connections, which are exposed to high temperatures and corrosive effects.
  • Page 38 General – Maintenance and repair Tightening torques Nm (Coefficient of friction µ tot. = 0.14) Screw dimension 10.9 12.9 ² - 9 1² - 8 1200 1450 ² - 7 1200 1700 2000 ² - 7 1700 2400 2900 ² - 6 2200 3100 3700...
  • Page 39 General – Maintenance and repair Tightening torques for hydraulic fittings with metric thread - series “L” (pressures up to 250 bar) Thread Spanner width Tightening torque [Nm] M12 x 1.5 M14 x 1.5 M16 x 1.5 M18 x 1.5 M22 x 1.5 M26 x 1.5 M30 x 2 M36 x 2...

  • Page 40: Preliminary Remarks And Safety Notes

    General – Maintenance and repair Thread Spanner width Tightening torque [Nm] ² - 12 ² - 12 ² - 12 ² - 12 1.3.2 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.

  • Page 41: Parking The Machine In Secured Condition

    General – Maintenance and repair 1.3.3 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 42: Running-In Instructions

    General – Maintenance and repair Close the fuel valve completely. secure the machine against unauthorized use. Fig. 28 1.3.4 Running-in instructions 1.3.4.1 General The following maintenance work must be performed when running in new machines or overhauled engines. 1.3.4.2 After 25 operating hours Ä...
  • Page 43 General – Maintenance and repair NOTICE! Components can be damaged by water entering into the system! – Do not direct the water jet directly into the air filter, carburettor, recoil starter, air intake or starter switch. Clean the machine with a water jet. Run the engine warm for a while to avoid corrosion.

  • Page 44: Technical Data

    Technical data Technical data BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...

  • Page 45: Bp10/35

    Technical data – BP10/35 2.1 BP10/35 2.1.1 Technical data Dimensions B-230-0099 Fig. 29 1084 (25.9) (37.9) (27.6) (42.7) (20.9) (13.8) Dimensions in millimetres (Dimensions in inch) Weights Operating weight (CECE) (143) (lbs) Basic weight (141) (lbs) Water spraying system 13.5 l (3.6 gal us, optional equipment) + 10 (+ 22) (lbs)
  • Page 46 Technical data – BP10/35 Weights Compact water spraying system (optional equipment) (+ 8.8) (lbs) Transport wheels (optional equipment) (+ 8.8) (lbs) Plastic mat (optional equipment) (+ 6.6) (lbs) Travel characteristics Max. working speed m/min (82) (ft/min) Max. gradability (depending on soil) Drive Engine manufacturer Honda...
  • Page 47 Technical data – BP10/35 Filling capacities Fuel (gasoline) (0.5 each) (gal us) Water spraying system 13.5 (3.6 each) (gal us) Compact water spraying system (1.6 each) (gal us) 2.1.1.1 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...
  • Page 48 Technical data – BP10/35 Hand-arm vibration with comfort Vector total of the weighted effective acceleration in three orthog- guide handle (optional equipment) onal directions: £ 2.5 m/s Total vibration value a on crushed rock determined acc. to ISO 5349 and EN 500. Associated uncertainty K = 0.4 m/s , determined acc.

  • Page 49: Bp12/40

    Technical data – BP12/40 2.2 BP12/40 2.2.1 Technical data Dimensions B-230-0100 Fig. 30 1084 (25.9) (37.9) (27.6) (42.7) (21.3) (15.8) Dimensions in millimetres (Dimensions in inch) Weights Operating weight (CECE) (159) (lbs) Basic weight (157) (lbs) BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...
  • Page 50 Technical data – BP12/40 Weights Water spraying system (optional equipment) + 10 (+ 22) (lbs) Transport wheels (optional equipment) (+ 8.8) (lbs) Travel characteristics Max. working speed m/min (82) (ft/min) Max. gradability (depending on soil) Drive Engine manufacturer Honda Type GX 120 Cooling Number of cylinders...
  • Page 51 Technical data – BP12/40 Filling capacities Fuel (gasoline) (0.5 each) (gal us) Water sprinkling system 13.5 (3.6 each) (gal us) 2.2.1.1 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-...
  • Page 52 Technical data – BP12/40 Hand-arm vibration with comfort Vector total of the weighted effective acceleration in three orthog- guide handle (optional equipment) onal directions: £ 2.5 m/s Total vibration value a on crushed rock determined acc. to ISO 5349 and EN 500. Associated uncertainty K = 0.2 m/s , determined acc.

  • Page 53: Bp12/50

    Technical data – BP12/50 2.3 BP12/50 2.3.1 Technical data Dimensions B-230-0101 Fig. 31 1084 (25.9) (37.9) (27.6) (42.7) (21.5) (19.7) Dimensions in millimetres (Dimensions in inch) Weights Operating weight (CECE) (181) (lbs) Basic weight (163) (lbs) Transport wheels (optional equipment) (+ 11) (lbs) BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...
  • Page 54 Technical data – BP12/50 Travel characteristics Max. working speed m/min (98) (ft/min) Max. gradability (depending on soil) Drive Engine manufacturer Honda Type GX 120 Cooling Number of cylinders Rated power SAE J 1349 (3.5) (hp) Rated speed 3600 Drive system mechanical Exciter system Frequency...
  • Page 55 Technical data – BP12/50 2.3.1.1 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 During operation these values may vary because of the prevailing...

  • Page 56: Technical Data

    Technical data – Fuels and lubricants 2.4 Fuels and lubricants 2.4.1 Engine oil 2.4.1.1 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. 2.4.1.2 Oil viscosity Since engine oil changes its viscosity with the temperature, the ambient temperature at the operating location of the engine is of...

  • Page 57: Oil For Exciter Shaft Housing

    Technical data – Fuels and lubricants 2.4.2.2 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 58: List Of Fuels And Lubricants

    Technical data – List of fuels and lubricants 2.5 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 2.4.1 „Engine (0.16 gal us) oil“...

  • Page 59: Terms And Basis Of Calculation

    Technical data – Terms and basis of calculation 2.6 Terms and basis of calculation The following terms and basis of calculation serve as a quick guide to help you understand the technical data provided: Seq. no. Term Units EXPLANATION Dimensions All dimensions given in mm Axle load Specification of the static weight in (kg) affecting each axle...

  • Page 60: Machine Overview

    Machine overview Machine overview BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...
  • Page 61 Machine overview Total overview Fig. 33 Engine Chassis Exciter unit BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...
  • Page 62 Machine overview Engine Fig. 34 Recoil starter Fuel tank Exhaust silencer Air filter Centrifugal clutch BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...
  • Page 63 Machine overview Exciter unit Fig. 35 V-belt pulley Exciter shaft housing Exciter shaft Base plate BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...
  • Page 64 Machine overview Chassis Fig. 36 Water tank Guide handle Transport wheels Rubber buffer BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...

  • Page 65: Machine Assemblies

    Machine assemblies Machine assemblies BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...
  • Page 66 Machine assemblies 4.1 Engine................ 69 4.1.1 Checking the engine oil level........70 4.1.2 Changing the engine oil........... 70 4.1.3 Checking, cleaning the air filter........ 71 4.1.4 Air filter maintenance..........73 4.1.5 Cleaning the cooling fins and the cooling air intake openings..............

  • Page 67: Engine

    Machine assemblies – Engine 4.1 Engine Overview Fig. 37 Recoil starter Fuel tank Exhaust silencer Air filter Centrifugal clutch BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...

  • Page 68: Checking The Engine Oil Level

    Machine assemblies – Engine 4.1.1 Checking the engine oil level NOTICE! Danger of engine damage! – +Use only oil of the permitted specification Ä Chapter 2.4.1 „Engine oil“ on page 57. B-SYM-1068 Fig. 38 Protective equipment: Working clothes Safety shoes Protective gloves Clean the area around the oil dipstick (1).

  • Page 69: Checking, Cleaning The Air Filter

    Machine assemblies – Engine Protective equipment: Working clothes Safety shoes Protective gloves Park the machine safely Ä Chapter 1.3.3 „Parking the machine in secured condition“ on page 41. WARNING! Danger of burning on hot components! – Wear your personal protective equipment (protective gloves, protective clothing).
  • Page 70 Machine assemblies – Engine Protective equipment: Working clothes Safety shoes Protective gloves Safety goggles Ä Chapter 1.3.3 „Parking the Park the machine safely machine in secured condition“ on page 41. Allow the engine to cool down. Disassembling the air filter Unscrew wing nut (1) and remove cover (2).

  • Page 71: Air Filter Maintenance

    Machine assemblies – Engine Clean the foam element (5) in warm soapy water, rinse it and let it dry thoroughly. Soak the foam element in clean engine oil and press exces- sive oil out. Check both elements thoroughly for holes and cracks. Replace if damaged.
  • Page 72 Machine assemblies – Engine NOTICE! Danger of engine damage! – Do not start the engine after having removed the air filter. – Do not let dirt drop into the air duct. – The air filter may be cleaned up to three times, if required.
  • Page 73 Machine assemblies – Engine Checking, cleaning the air filter Separate paper element and foam element. Fig. 49 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 74: Cleaning The Cooling Fins And The Cooling Air Intake Openings

    Machine assemblies – Engine 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). Reassemble the air filter cover (2) with the wing nut (1). Fig.
  • Page 75 Machine assemblies – Engine 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 76: Cleaning The Fuel Strainer

    Machine assemblies – Engine 4.1.6 Cleaning the 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 other sources of ignition.
  • Page 77 Machine assemblies – Engine Open the fuel valve and collect running out fuel. Close the fuel valve. Fig. 55 Check the O-ring (2) for damage, replace if necessary. Assemble the filter bowl (1) with the O-ring. Fig. 56 Unscrew the hexagon nuts (2) and the hexagon screw (1) and take off the fuel tank.

  • Page 78: Cleaning The Slurry Filter

    Machine assemblies – Engine Assemble the fuel tank with hexagon nuts (2) and hexagon screw (1). Check the fuel system for leaks. Dispose of fuel in an environmentally friendly way. Fig. 59 4.1.7 Cleaning the slurry filter DANGER! Danger to life caused by explosive gas-air mixes! –...

  • Page 79: Servicing The V-Belt

    Machine assemblies – Engine Disassemble filter bowl (3), O-ring (2) and filter (1). Clean filter bowl and filter in a non-inflammable solvent, dry thoroughly after. Check the O-ring for damage, replace if necessary. Assemble the filter. Observe the alignment (A) of the filter on the housing. Assemble the filter bowl with the O-ring.

  • Page 80: Replacing The Starter Rope

    Machine assemblies – Engine Check condition and tension of the V-belt, tighten if neces- sary. ð Compression measurement: 5 - 10 mm (0.2 - 0.4 in). If necessary, tighten the V-belt; if damaged, replace the V- belt. Fig. 64 Assemble the V-belt guard (1) with fastening screws (2). B-230-0072 Fig.
  • Page 81 Machine assemblies – Engine Pull the starter rope with the starter handle out completely. Fig. 67 If the starter rope has been torn or the coil has recoiled com- pletely: Before assembling the rope, turn the coil (2) 5 revolutions in anti-clockwise direction and align the rope openings in coil and housing (5) to one another (A).

  • Page 82: Checking, Adjusting The Valve Clearance

    Machine assemblies – Engine Assemble the recoil starter. Fig. 71 4.1.10 Checking, adjusting the valve clearance Perform this maintenance work at the latest after 250 operating hours NOTICE! Danger of engine damage! We recommend to have this work carried out by trained personnel or our after sales service.
  • Page 83 Machine assemblies – Engine 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). Fig. 73 Checking the valve clearance Valve clearance: Intake valve (IN) 0.15 mm (0.006 in)
  • Page 84 Machine assemblies – Engine Final work Install the valve cover (2) with a new seal (3). Tighten the fastening screws (1) evenly. Fig. 76 BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...

  • Page 85: Exciter Unit

    Machine assemblies – Exciter unit 4.2 Exciter unit Overview Fig. 77 V-belt pulley Exciter shaft housing Exciter shaft Base plate BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...

  • Page 86: Changing The Oil In The Exciter Housing

    Machine assemblies – Exciter unit 4.2.1 Changing the oil in the exciter housing NOTICE! Components may get damaged! – Use only oil of the permitted specification Ä Chapter 2.5 „List of fuels and lubri- cants“ on page 59. Protective equipment: Working clothes Safety shoes Protective gloves...
  • Page 87 Machine assemblies – Exciter unit Pre-assembly is not necessary if the components are already pre- assembled and they were not disassembled to repair the exciter unit. Overview of exciter unit S-692-0082 Fig. 80 Exciter unit Base plate Grooved ball bearing Exciter shaft BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...
  • Page 88 Machine assemblies – Exciter unit Grooved ball bearing Radial seal V-belt pulley Pre-assembling the exciter shaft Preheat the grooved ball bearing (1)Ä Fig. 81, grooved ball bearing (2) and the inner ring (3). S-692-0084 Fig. 81 Install the preheated grooved ball bearing (1) Ä Fig. 82 and the grooved ball bearing (2) on the exciter shaft.
  • Page 89 Machine assemblies – Exciter unit Assembling the exciter shaft housing Clean the base plate (1) Ä Fig. 83. S-692-0095 Fig. 83 Place the exciter shaft housing on the base plate and align the bore (1) Ä Fig. 84 for fastening screws with the threaded bores (2).
  • Page 90 Machine assemblies – Exciter unit Tighten the screw (1) Ä Fig. 86. Tighten the screw (2). Tighten the screw (3). Observe the tightening torque. Assembling the exciter shaft housing has been completed. S-692-0096 Fig. 86 Installing the exciter shaft Insert the oil drain plug (1) Ä Fig. 87 with sealing compound. S-692-0086 Fig.
  • Page 91 Machine assemblies – Exciter unit Insert the pre-assembled exciter shaft (1) Ä Fig. 89 into the exciter housing (2) and position the bearing. S-692-0088 Fig. 89 Assemble the circlip (1) Ä Fig. 90. Install the radial seal (2). S-692-0090 Fig. 90 Install the locking cap (1) Ä...
  • Page 92 Machine assemblies – Exciter unit Install the bushing (1) Ä Fig. 92, the sealing (2), the V-belt pulley (3) and the washer (4). Assembling the exciter shaft has been completed. S-692-0092 Fig. 92 BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...

  • Page 93: Chassis

    Machine assemblies – Chassis 4.3 Chassis Overview Fig. 93 Water tank Guide handle Transport wheels Rubber buffer BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...

  • Page 94: Checking The Rubber Buffers

    Machine assemblies – Chassis 4.3.1 Checking the rubber buffers B-SYM-1073 Fig. 94 Protective equipment: Working clothes Safety shoes Protective gloves Check the rubber buffer pairs, left and right, for tight fit, cracks and tear-offs. ð Have damaged rubber buffers replaced by authorised service personnel immediately.

  • Page 95: Check Water Supply, Refill (Compact Water Tank)

    Machine assemblies – Chassis Alternatively, the water tank can also be removed and transported for filling. Pull out the split pin (1). Pull out the bolt (2) and take off the water tank. Insert the bolt through the guides on the water tank and insert the split pin to lock.

  • Page 96: Cleaning The Water Spraying System

    Machine assemblies – Chassis Alternatively, the water tank can also be removed and transported for filling. Close the shut-off valve (1). Pull the hose (2) off the shut-off valve. Lift off the water tank upwards. B-230-0063 Fig. 99 4.3.4 Cleaning the water spraying system Protective equipment: Working clothes Safety shoes...
  • Page 97 Machine assemblies – Chassis Pull the hose (2) off the shut-off valve. Open the shut-off valve (1) completely and let all water run out. Alternatively you may also remove the water tank for cleaning. Flush the water tank with a strong water jet, until all dirt has run out.

  • Page 98: Troubleshooting

    Troubleshooting Troubleshooting BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...

  • Page 99: Preliminary Remarks

    Troubleshooting – Preliminary remarks 5.1 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 100: Engine Malfunctions

    Troubleshooting – Engine malfunctions 5.2 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 101 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 102: Power Transmission

    Troubleshooting – Power transmission 5.3 Power transmission Fault Possible cause Remedy Engine runs with V-belt jumped off Installing and tensioning the V-belt high speed, but no V-belt jumped off and is worn Replacing the V-belt vibration Vibration fails V-belt jumped off Incorrect operation: The upper carriage of during operation the machine was twisted so much...

  • Page 103: What To Do If The Engine Has Flooded

    Troubleshooting – What to do if the engine has flooded 5.4 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 104 Troubleshooting – What to do if the engine has flooded Open the choke. Fig. 105 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 105: Appendix

    Appendix Appendix BP 10/35 / BP 12/40 / BP 12/50 / BVP 10/36 / BVP 12/50 / BVP 18/45...
  • Page 106 Discount-Equipment.com is your online resource for quality parts & equipment. Florida: 561-964-4949 Outside Florida TOLL FREE: 877-690-3101 Need parts? Click on this link: http://www.discount-equipment.com/category/5443-parts/ choose one of the options to help get the right parts and equipment you are looking for.

This manual is also suitable for:

Bomag bp 12/40Bomag bp 12/50Bomag bvp 10/36Bomag bvp 12/50Bomag bvp 18/45

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