Page 1 Operating instructions Maintenance instructions Original operating instructions MPH 122-2 S/N 101 590 06 ..S/N 101 590 07 ..Soil Stabilizer Asphalt Recycler Catalogue No. 05/2011 008 061 61...
Page 3 Foreword These BOMAG machines are products from provided container. These operating and mainte- F oreword the wide range of BOMAG machines for earth nance instructions are part of the machine. work, asphalt and refuse compaction as well You should only operate the machine after you as stabilizers/recyclers.
Page 4 Foreword Please fill in ......Machine type (Fig. 1) ......Serial-number (Fig.
Page 5 Table of Contents Technical Data Safety regulations Indicators and Controls 3.1 General notes 3.2 Description of indicators and control elements Operation 4.1 General 4.2 Tests before taking into operation 4.3 Starting the engine 4.4 Starting with jump wires 4.5 Driving the machine to work 4.6 Operating the service brake 4.7 Operating the parking brake 4.8 Actuating the emergency stop switch...
Page 6 Table of Contents 6.2 Fuels and lubricants 6.3 Table of fuels and lubricants 6.4 Running-in instructions 6.5 Maintenance table 6.6 Checking the engine oil level 6.7 Checking the fuel level 6.8 Checking the hydraulic oil level 6.9 Check the coolant level 6.10 Checking the condition of the cutters 6.11 Check the tire pressure 6.12 Visual inspection for leakages and damage, clean the machine...
Page 7 Table of Contents 6.44 Check the anti-freeze concentration and the condition of the coolant 6.45 Intercooler, draining off oil/condensation water 6.46 Check the fastening of engine / turbocharger / combustion air hoses 6.47 Checking the crankcase pressure 6.48 Oil change in front travel gear 6.49 Oil change in rear planetary gear 6.50 Change the oil in the rear axle reduction gear 6.51 Oil change in rear axle...
Page 8 Table of Contents BOMAG MPH 122-2...
Page 9: Technical Data
1 Technical Data MPH 122-2 BOMAG...
Page 10 Technical Data Fig. 4 Dimensions in mm A 5815 2810 2790 3420 9050 MPH 122-2 MPH 122-2 Weights Operating weight (CECE) 20950 Front axle load (CECE) 14164 Rear axle load (CECE) 6786 Max. operating weight 28000 Dimensions Track radius, inner/outer 3500/6300 Travel characteristics Travel speed (1)
Page 11 Technical Data MPH 122-2 Tires Tire size, front 28 LR 26 Tire size, rear 620/75R26 Brakes Service brake hydrostatic Parking brake Spring accumulator Steering Type of steering Articulated + rear Steering operation hydraulic Rotor Rotor width 2330 Outer rotor diameter 1225 Rotor speed 110 –...
Page 12 Technical Data The following noise and vibration data acc. to - EC Machine Regulation edition 2006/42/EC - the noise regulation 2000/14/EG, noise protection guideline 2003/10/EC - Vibration Protection Regulation 2002/44/EC were determined during conditions typical for this type of equipment and by application of harmo- nized standards.
Page 13: Safety Regulations
2 Safety regulations MPH 122-2 BOMAG...
Page 14: Unintended Use
Safety regulations General Unintended use Dangers may arise from the machine when it is This BOMAG machine has been built in com- used for purposes other than the one it is intended pliance with the latest technical standard and for. complies with the applicable regulations and technical rules.
Page 15: Loading The Machine
Safety regulations Regular safety inspections Safety notes in the operating and main- tenance instructions: Have the machine inspected by an expert (capa- ble person) as required for the conditiosn the ma- chine is working under, but at least once every Danger year.
Page 16: Towing The Machine
Safety regulations Lifting the machine is not permitted. Wear your personal protective outfit (hard hat, safety boots, etc.). Use a flat container with collapsible front walls for sea transport, so that the machine can be driven Before mounting the machine check whether: onto the container.
Page 17: Driving The Machine
Safety regulations Starting in closed rooms Driving on inclinations and slopes Exhaust gases are highly dangerous! Always en- Do not drive on gradients exceeding the maximum sure an adequate supply of fresh air when starting gradability of the machine. in closed rooms! On slopes drive extremely careful and always di- rectly up or down the slope.
Page 18: Maintenance Work
Safety regulations shut down the engine, pull off the ignition key Use only heat resistant hoses without twisting, buckling or damage. lock the cabin In case of fire call fire fighters immediately! Switch switch the main battery switch to position "0" off heating, pumps etc.
Page 19 Safety regulations Any hydraulic oil must be caught and disposed of Wait approx. 5 minutes after the engine has in an environmentally friendly manner. stopped. Always catch and dispose of hydraulic oils sepa- Keep out of the danger zone during the initial rately.
Page 20 Safety regulations Ensure sufficient ventilation, especially if the bat- Do not guide the water jet into the exhaust and into tery is to be charged in a closed room. the air filter. When working with asphalt, bitumen or lime clean Working on the fuel system engine and hydraulic oil coolers at regular inter- Avoid open fire, do not smoke, do not spill any fuel.
Page 21 Safety regulations Fig. 5 Stickers and decals Information sticker - Diesel 11 Warning sticker - Danger of being pulled in by rotor Warning sticker - Danger of scalding when opening the radiator cap 12 Warning sticker - Material flying around Warning sticker - Hand injuries 13 Warning sticker - Danger of crushing Information sticker - Main battery switch...
Page 22 Safety regulations Fig. 6 Stickers on binder dosing system Warning sticker - Hot surface Warning sticker - Danger of spray Warning sticker - Warning of dangerous spot Warning sticker - Bitumen temperature and pressure BOMAG MPH 122-2...
Page 23 Safety regulations Fig. 7 Instruction sticker - Always wear your seat belt S_0027 Fig. 8 Information sticker - fire extinguisher MPH 122-2 BOMAG...
Page 24 Safety regulations BOMAG MPH 122-2...
Page 25: Indicators And Controls
3 Indicators and Controls MPH 122-2 BOMAG...
Page 26 Indicators and Controls BOMAG MPH 122-2...
Page 27 Indicators and Controls Fig. 9 Fig. 10 MPH 122-2 BOMAG...
Page 28 Indicators and Controls Rotary switch, rear working light and rotor 17 Instrument cluster, machine functions Rotary switch, working light middle 18 Travel lever, right Rotary switch, front working light 19 Rotary switch for automatic power limit control Travel lever, left 20 Engine speed potentiometer Instrument cluster engine/hydraulics 21 Warning light and diagnostic push button for...
Page 29: General Notes
Indicators and Controls 3.1 General notes Description of indicators and control elements Please read this section thoroughly before operat- ing this machine if you are not yet conversant with the indicators and control elements. All functions are described in detail hereunder. Paragraph 4 Operation contains only concise de- scriptions of the individual operating steps.
Page 30 Indicators and Controls Fig. 13 No. 3 = Rotary switch, front working light Position "left" = Working light off Position "right" = Working light on, with ignition switch in position "I" Fig. 15 No. 5 = Instrument cluster engine/hydraulics Note With the ignition switch in position "I"...
Page 31 Indicators and Controls e yellow = Air filter warning light Lights, if the combustion air filter car- tridge is dirty. Clean or replace, as necessary. f red = Coolant level warning light Flashes when the coolant level is too low, the warning buzzer sounds, the engine is shut down after 20 sec- onds.
Page 32 Indicators and Controls Restart the machine only after the danger that Position "mid- caused the actuation of the emergency stop dle" = Transport range I for driving on switch has been eliminated. the construction site The machine is braked immediately, the engine Position "right"...
Page 33 Indicators and Controls Fig. 23 Fig. 21 No. 13 = Rotary switch attachment plate up/ No. 11 = Rotary switch for parking brake down* Position "left" = Parking brake released Position "left" = Lift attachment plate Position "right" = Parking brake applied, the Position "mid- parking brake warning light in dle"...
Page 34 Indicators and Controls Fig. 25 No. 15 = 12 V-socket 12 V vehicle voltage when main battery switch is switched on Fig. 27 No. 17 = Instrument cluster - machine func- tions Note With the ignition switch in position "I" all gauges and instruments are switched on for 3 seconds.
Page 35 Indicators and Controls g red = Warning light for milling cutter re- placement Lights when the rotary switch for free- wheeling of rotor on the rear frame is switched on. h yellow = Control light for height shut-down Lights when the rotor is above the height shut-down position.
Page 36 Indicators and Controls Position "MIN" = Idle speed (approx. 750 rpm) the control light flashes after 2 Position "MAX" = Full load speed (approx 2100 seconds = Severe fault, the engine can- rpm), operating position for not be started, inform the serv- driving and work.
Page 37 Indicators and Controls ing light in the instrument cluster for machine Note functions will light up. With the rotor switched on the control light "Rotor Checking the water supply, cleaning the water fil- turning" (i) in the instrument cluster for machine functions will light.
Page 38 Indicators and Controls pressure rotor I and rotor II, the control light for height shut- down (if rotor is fully raised), the parking brake warning light and the charge control light stay on. Note The ignition switch is designed with a re-start lock. For a new starting attempt the ignition key must first be turned back to position "0".
Page 39 Indicators and Controls (X1:16) 15A = (F26) Tooth change, turning of Position left = Open the tailgate. rotor, brake, limp home func- tion, speed range selection (X1:17) = Spare 1 (X1:18) = Spare 2 Fig. 40 No. 29 = Steering lever for rear frame Position middle = Stop position, after operation the lever will automatically re- turn to 0-position.
Page 40 Indicators and Controls Position "left" = Cross-slope to the left for max. When swivelling the seat to a position trans- 5° verese to the travel direction, the seat control panel must always be fastened at the side of Position "front" or the seat facing towards the rear, in order to "rear"...
Page 41 Indicators and Controls When lifting the seat completely it will sink down to lowest position. Fig. 44 Danger Fig. 46 Danger of accident! No. 33 = Cross-slope indicator (spirit level) shows the cross-slope or the rotor oscillation an- Do not adjust the driver’s seat while driving. gle.
Page 42 Indicators and Controls Note The cabin/operator's stand must only be raised for repair work (description see chapter "Lift/lower cabin/operator's stand"). Note Release the brakes only to tow the machine in case of a hydraulic failure (description see chapter "Towing"). Note Only lift the rotor with the hand pump in case of a Fig.
Page 43 Indicators and Controls Position "0" = Water supply to the distributor for the spray nozzles blocked Position "I" = Water supply open Note One shut-off lever opens and closes the water supply to two spray nozzles. Fig. 54 No. 45 = Fuse box, cabin (1) 7.5A = (F42) Cabin light (2) 15A = (F31) Cabin ventilator (3) 15A = (F28) Wiper/washer, rear...
Page 44 Indicators and Controls switch on = Start the engine, set the ther- mostat to max. cooling power, turn the rotary switch "aircon/ fan" to maximum fan speed, turn the slewable air discharge nozzles to the desired direc- tion. Once the inside of the cabin has cooled down adjust fan and thermostat to the de- sired temperature.
Page 45 Indicators and Controls Use only in events of emergency during oper- ation. Restart the machine only after the danger that caused the actuation of the emergency stop switch has been eliminated. The machine is braked immediately, the engine is shut down. actuate = Press the button completely down, it automatically locks in...
Page 46 Indicators and Controls Fig. 59 No. 52 = Control panel for bitumen dosing sys- = Lack of thermal oil warning light Lights red if the thermal oil pressure is too low = Main switch control light Check the thermal oil level Lights yellow when system is switched on = Temperature gauge for binder tank...
Page 47 Indicators and Controls (not higher than 100 °C!), for bitumen set to approx. 220 °C. Caution If the safety thermostat responds, the burner will be shut down. Do not start operation of the system before the cause has been found. To unlock remove the grey cap and operate the button under the cap.
Page 48 Indicators and Controls Caution With pressure differentials between spray bar (a) (Fig. 62) and binder pump (d) the bitumen filter must be cleaned. No. 56 = Temperature gauge for thermal oil* = Thermal oil temperature Fig. 65 No. 59 = Ventilation lever Fig.
Page 49: Operation
4 Operation MPH 122-2 BOMAG...
Page 50: Tests Before Taking Into Op- Eration
Operation 4.1 General 4.2 Tests before taking into op- eration If you are not yet acquainted with the controls and indicating elements on this machine you Before the everyday use or before a longer work- should thoroughly read chapter 3 “Indicators ing period the following tests and inspections must and control elements”...
Page 51: Starting The Engine
Operation 4.3 Starting the engine Danger Wear your personal noise protection means (ear defenders) before starting operation. Caution In this chapter it is assumed that the operator is fully acquainted with the functions of the control elements on the machine. Fig.
Page 52 Operation Fig. 71 Fig. 74 Turn the rotary switch for the rotor (Fig. 71) to Set the engine speed potentiometer (Fig. 74) position "0" (rotor off). to position “MIN“, (idle speed). Fig. 72 Fig. 75 Check, whether the emergency stop switch Turn the ignition key (Fig.
Page 53: Starting With Jump Wires
Operation shut-down (h) (with rotor in highest position), the Starting with jump wires parking brake warning light (j) and the charge con- trol light (k) stay on. Caution Caution When using external starting aid two external Run the starting process for maximum 20 sec- batteries are required, one for each on-board onds without interruption and pause for a battery.
Page 54 Operation Note 4.5 Driving the machine to work The ignition switch is designed with a re-start lock. For a new starting attempt the ignition key must first be turned back to position "0". Danger Once the engine is running switch on a power- Danger of accident! ful consumer (working light, etc.).
Page 55 Operation Fig. 81 Fig. 83 Turn the rotary switch for the rotor (Fig. 81) to The height shut-down control light (h) (Fig. 83) in position "0" (rotor off). the instrument cluster for machine functions lights Fig. 82 Fig. 84 Raise the rotor with the lever for ”rotor up/ down”...
Page 56 Operation neutral will brake the machine and in 0-position of the travel lever the machine will stop. Notes on travel operation Caution When changing the travel direction hold the travel lever for a moment in "0"-position, until the machine has stopped, before actuating to the new travel direction.
Page 57: Operating The Service Brake
Operation 4.6 Operating the service brake Operating the parking brake Caution Always apply the parking brake before shut- ting the engine down. Note The parking brake must only be operated in ex- ceptional cases, e.g. when stopping on a slope or to hold the machine with the engine running.
Page 58: Emergency Exit
Operation 4.8 Actuating the emergency 4.9 Emergency exit stop switch Danger Danger of accident! In events of emergency and in case of danger actuate the emergency stop switch immediate- Start travel operation of the machine only after the danger that caused the actuation of the emergency stop switch has been eliminated.
Page 59 Operation 4.10 Shutting down engine and machine Fig. 95 Lower the rotor to the ground by operating the lever ”rotor up/down” (Fig. 95). Fig. 93 Shift the travel lever (Fig. 93) slowly to position neutral position. Fig. 96 Set the engine speed potentiometer (Fig. 96) to position “MIN“, (idle speed).
Page 60 Operation er has stopped. Heat exchanger and burner may otherwise be destroyed. Fig. 97 Before shutting the engine down turn the rota- ry switch for "parking brake" (Fig. 97) to posi- Fig. 99 tion "Right" (parking brake applied). Switch the main battery switch (Fig. 99) to po- sition "0"...
Page 61: Parking On A Slope
Operation 4.11 Parking on a slope Danger Danger of accident! Always lower the rotor to the ground when parking on a slope with the engine running. Apply the parking brake to prevent unintended rolling of the machine. Fig. 102 The parking brake warning light (j) (Fig. 102) in the instrument cluster for machine functions lights up.
Page 62: Preparing For Work
Operation 4.12 Preparing for work Ask the site management for all necessary specifications, such as cutting depth, mixing ratio and quantities for additives. Danger When milling road covering layers harmful dusts may be released. In order to avoid any damage to health the ma- chine operator and other persons, who have to work in the immediate vicinity of the milling Fig.
Page 63 Operation Fig. 109 Fig. 107 Take bolt (4) and spring pin (2) (Fig. 109) from The height shut-down control light (h) (Fig. 107) in the securing rod of the cab. the instrument cluster for machine functions lights Fig. 110 Fig. 108 Insert bolt (4) (Fig.
Page 64 Operation Fig. 112 Fig. 114 Jog the rotary button to change the cutting Turn the rotary switch for free-wheeling of ro- teeth (b) (Fig. 112) to left or right to turn the ro- tor (a) (Fig. 114) to position "Left". tor further.
Page 65 Operation 4.13 Work operation, setting the cutting depth Fig. 117 Turn the rotary switch for power limit control (Fig. 117) clockwise to position "AUTOMAT- IC". The power limit control is switched on. Fig. 116 Note Turn the rotary speed range selector switch The rotary switch for power limit control can nor- (Fig.
Page 66 Operation Fig. 119 Fig. 121 Lower the rotor by operating the lever for rotor Switch the rotor on with rotary switch for rotor up/down (Fig. 119), until the rotor is just above speed (Fig. 121) and set it to the specified ground contact.
Page 67 Operation Fig. 123 Fig. 125 Operate the "rotor up/down" lever (Fig. 123) to Set the desired max. travel speed on the lower the rotor slowly to the required depth, speed controller (Fig. 125). thereby maintain ground contact of the rear wheels.
Page 68 Operation 4.14 Adjusting the tailgate Note Adjust the tailgate only when driving forward. Fig. 127 The control light for load limit control (e) in the instrument cluster for machine functions (Fig. 127) flashes slowly. Caution If the display of the load limit sensing control Fig.
Page 69: Driving Straight Ahead
Operation 4.15 Steering the rear axle 4.16 Adjusting the oscillation an- gle of the rotor (cross- slope) Cornering Fig. 130 Fig. 132 For cornering move the lever for rear frame Operate the lever for cross-slope of rear frame steering (Fig. 130) to the right or left. (Fig.
Page 70 Operation 4.17 Mixing water connection preparing for operation Caution You should generally use a tow bar. Fig. 134 Operate the lever for cross-slope of rear frame (Fig. 134) to return the rotor to middle position. Fig. 135 Remove the tow bar (Fig. 135) from the hood flap.
Page 71 Operation Note The shut-off cock is used to drain all water off if there is a risk of frost or to connect a hose to clean the machine! Fig. 137 Set all shut-off levers for spray nozzles (Fig. 137) to position "I" on all machines, "(water supply open).
Page 72 Operation 4.18 Water dosing system noz- zle change Note In water dosing systems with 1600 litres a sepa- rate nozzle is attached for water quantities of less than 500 litres. Depending on the water quantity to be dosed, the corresponding nozzle set must be installed. Fig.
Page 73 Operation Setting the shields 4.19 Taking the attachment plates into service Danger Danger of squashing! The operator must make sure that no person is in the danger area before he starts operation of the plate. Caution Reversing with the plate lowered will damage the plate suspension! Fig.
Page 74: Finishing Work
Operation 4.20 Finishing work Fig. 150 Lift the rotor by operating the lever for rotor up/ down (Fig. 150), until the rotor is out of the ground. Fig. 148 Turn the rotary switch for water injection sys- tem (Fig. 148) to position "0". Fig.
Page 75 Operation 4.21 Raising/lowering the cabin Note Under normal conditions the cabin only needs to be lifted for repair work! Fig. 152 Note The control light "Rotor turns" (i) in the instrument cluster for machine functions (Fig. 152) goes out. Lift the rotor to end position and the open tail- gate completely.
Page 76 Operation Fig. 155 Fig. 157 Remove the support rod (Fig. 155) with bolt (4) Turn the lever on hydraulic hand pump (Fig. and spring clip (2). 157) to the left. The cabin moves down. Fig. 156 Fig. 158 Danger Screw the fastening screws (2) into the cabin Always secure the cabin with support rod, bolt (Fig.
Page 77 Operation 4.22 Towing Danger Danger of accident! Before releasing the brake secure the machine against unintended rolling. Use a towing vehicle with sufficient traction and braking power for the unbraked towed load. Fig. 160 Danger Turn the ball valve (Fig. 160) to the right Danger of accident! You should always use a tow bar.
Page 78 Operation Fig. 162 Fig. 164 Turn lever (Fig. 162) on hydraulic hand pump Slacken both high pressure relief valves (Fig. to the left. 164) on the travel pump for approx. two turns. Fig. 163 Fig. 165 Unscrew the ball valve lock (Fig. 163). Set the ball valve to horizontal position.
Page 79 Operation Returning the brake to normal condi- 4.23 Transport tion Danger Danger of accident! Life hazard! During demonstration and when loading the machine no persons should be in the danger zone of the machine. Use only stable loading ramps of sufficient load bearing capacity.
Page 80 Operation Fig. 167 Fig. 169 Turn the rotary speed range selector switch Operate the "rotor up/down" lever (Fig. 169) (Fig. 167) to "middle" position (transport stage top lower the rotor to the ground. Drive the machine on the transport vehicle. Fig.
Page 81: Final Shut-Down Of Machine
Operation 4.24 Final shut-down of machine If the machine can no longer be used and needs to be finally shut down you must carry out the follow- ing work and have the machine disassembled by an approved specialist workshop. Environment Catch all fuels and lubricants, do not let them seep into the ground and dispose of in compli- ance with legal regulations.
Page 82 Operation BOMAG MPH 122-2...
Page 83 5 Operation of binder dosing system MPH 122-2 BOMAG...
Page 84: Inspection Before Starting
Operation of binder dosing system 5.1 Inspection before starting 5.2 Preparing for work the binder dosing system Before starting the binder dosing system or be- fore a longer working period the following tests and inspections must be performed. Danger Danger of accident! The system must not be operated in case of leakages or damage.
Page 85: Settings On The Control Panel
Operation of binder dosing system Settings on the control panel Note With emulsion the thermal oil heater should be in operation for min. 15 minutes, for hot bitumen at least 45 minutes. Setting the safety thermometer Fig. 175 Turn the main switch (b) (Fig. 175) to position "0".
Page 86 Operation of binder dosing system Checking the bitumen tank Fig. 180 Couple the MPH to the tanker (Fig. 180). Fig. 178 Make sure that for hot bitumen the bitumen Danger temperature is at least 180 °C (Fig. 178). Danger of burning! A pre-pressure of 0.5 bar must be possible.
Page 87: Venting The System
Operation of binder dosing system 5.3 Starting work with emulsion On the tank vehicle set a pressure of approx. 0.5 bar. Danger Danger of burning! Check immediately that all hoses, hose cou- plings as well as taps and pipelines are leak tight.
Page 88: Starting Work
Operation of binder dosing system All nozzles of the opened sections are closed. Note For longer breaks set the binder pump to a lower flow rate, to keep the binder circulating. Changing the binder Danger If you want to change to hot bitumen, the spray bar needs to be completely emptied before- hand.
Page 89 Operation of binder dosing system 5.4 Starting work with foam bi- tumen On the tank vehicle set a pressure of approx. 0.5 bar. Danger Danger of burning! Check immediately that all hoses, hose cou- plings as well as taps and pipelines are leak tight.
Page 90 Operation of binder dosing system Fig. 189 Fig. 191 Close the middle spraying section (n) (Fig. Close the spraying sections (n) (Fig. 190) 188) once the binder pump pressure gauge (d) when the reaction water pressure gauge (b) (Fig. 189) and the spraying bar pressure (Fig.
Page 91 Operation of binder dosing system Interrupting work Changing the bitumen tank Set the selector switch for spraying/circulation (k) to position "Circulation". All nozzles of the opened sections are closed. Note For longer breaks set the binder pump to a lower flow rate, to keep the binder circulating.
Page 92 Operation of binder dosing system 5.6 Finishing work Fig. 195 Danger Fig. 196 Danger of burning! The suction hose is hot. Danger Wear heat proof gloves! Danger of burning! Close the Peet valve (2) (Fig. 195) on the suc- The suction hose is hot. tion hose.
Page 93 Operation of binder dosing system Once the bitumen pressure has dropped to 0 Blowing out bitumen sys- bar, turn the selector switch for Spraying/Cir- tem and spray bar culation (k) to position "Circulation". Turn the potentiometers for binder pump (m) and reaction water flow rate (n) to position "ze- Disconnect the suction hose and close the ro flow".
Page 94 Operation of binder dosing system The air flows through the binder pump into the 5.8 Flushing the binder pump spray bar and presses the binder out through the spray nozzles. Switch the 3-way ball valve to bottom position (Closed). Close the ball valve. Fig.
Page 95: Maintenance
6 Maintenance MPH 122-2 BOMAG...
Page 96: General Notes On Mainte- Nance
Maintenance you should contact the service departments at our 6.1 General notes on mainte- branch offices or dealers. nance Notes on the fuel system When performing maintenance work always com- The lifetime of the diesel engine depends to a ply with the appropriate safety regulations. great extent on the cleanliness of the fuel.
Page 97: Fuels And Lubricants
Maintenance flutes in valves, cause pumps to seize, clog noz- Fuels and lubricants zles and pilot bores, thereby making expensive re- pairs inevitable. If, during the daily inspection of the oil level the Engine oil hydraulic oil level is found to have dropped, check all lines, hoses and components for Quality leaks.
Page 98 Maintenance bient temperatures below -10°C and when us- ing biodegradable diesel fuel the oil change intervals must be halved. Fuels You should only use commercially available brand diesel fuel with a sulphur content of less than 0.5% and ensure strict cleanliness when filling in. A higher sulphur content has a negative effect on the oil change intervals.
Page 99 Maintenance Cooling system protection agent As a protection against frost, corrosion and boiling Fresh water analysis values point anti-freeze agents must be used under any climatic conditions. pH-value at 20 °C 6.5 - 8.5 Coolant for fluid cooled engines is prepared by Chloride ion content (mg/l) (ppm) max.
Page 100 Maintenance In hydraulic systems filled with Panolin HLP Synth.46 always use the same oil to top up. Mixing ratio When changing from mineral oil based hydraulic oil to an ester based biologically degradable oil, Cooling sys- Fresh water Cold protec- you should consult the lubrication oil service of the tem protection tion down to...
Page 101 Maintenance Compressor service unit Use only acid-free pneumatic oil STASTO HP 32. MPH 122-2 BOMAG...
Page 102 Maintenance 6.3 Table of fuels and lubri- cants Assembly Fuel or lubricant Quantity Summer Winter Attention Observe the level marks Engine - Engine oil Specification see "Fuels and lubricants - engine oil" approx. 38 litres SAE 10W-40 (-20 °C to +40 °C) (BOMAG PN 009 920 06;...
Page 103 Maintenance Assembly Fuel or lubricant Quantity Summer Winter Attention Observe the level marks Articulated joint High pressure grease (lithium saponified) as required Rear axle Rotor hood bracket Engine hood Attachment plate adjust- ment spindles Air conditioning system Refrigerant R134a approx. 2400 g Exciter shaft housing, at- SAE 75W-90, API GL-5 approx.
Page 104: Running-In Instructions
Maintenance 6.4 Running-in instructions The following service work must be performed when taking new machines into operation. Caution Up to approx. 250 operating hours check the engine oil level twice every day. Depending on the load the engine is subjected to, the oil consumption will drop to the normal level after approx.
Page 105: Maintenance Table
Maintenance 6.5 Maintenance table Maintenance work Comment Check the engine oil level Dipstick mark Check the fuel level Instrument clus- Check the hydraulic oil level Inspection glass Check the coolant level Instrument clus- 6.10 Check the condition of the cutters 6.11 Check front and rear tire pressures 6.12 Visual inspection for leakages and damage, clean the machine...
Page 106 Maintenance Maintenance work Comment 6.20 Check the contamination of the hy- only with binder draulic oil filters metering sys- 6.21 Check the binder pump for leaks only with binder metering sys- 6.22 Check the spraying section for only with binder leaks metering sys- 6.23 Lubricating the machine...
Page 107 Maintenance Maintenance work Comment 6.34 Check and clean the water separa- when the "water in fuel" warning light lights up 6.35 Service the generator V-belt 6.36 Check the V-belt for the air condi- tioning compressor 6.37 Service the battery, check the bat- pole grease tery main switch 6.38 Check the engine mounts...
Page 108 Maintenance Maintenance work Comment 6.51 Change the oil in the rear axle*** see foot note 6.52 Oil change in attachment plate ex- citer housing 6.53 Change the additional fuel filter only with binder metering sys- 6.54 Changing the thermal oil only with binder metering sys- 6.55 Compressor oil change...
Page 109 Maintenance Maintenance work Comment 6.63 Replace the coolant pump only by author- ized service personnel 6.64 Replace the pressure retaining only by author- valve on the injection pump ized service personnel 6.65 Change the dry air filter cartridge at least every year 6.66 Replacing the cutting teeth/cutting tooth holders...
Page 110 Maintenance *** oil change after 250 and 1000 operating hours, then every 1000 operating hours **** Also after repairs in the hydraulic system. BOMAG MPH 122-2...
Page 111: Every 10 Operating Hours
Every 10 operating hours Every 10 operating hou rs 6.6 Checking the engine oil lev- Checking the fuel level Caution Do not drive the fuel tank dry, as otherwise the Caution fuel system needs to be bled. The machine must be in horizontal position. If the engine is warm, shut it down and check the oil level after five minutes.
Page 112: Checking The Hydraulic Oil Level
Every 10 operating hours Environment 6.8 Checking the hydraulic oil Catch running out fuel, do not let it seep into level the ground. Shut down the engine. Caution In hydraulic systems filled with Panolin HLP Synth.46 use always the same oil to top up. With other ester based oils consult the lubrica- tion oil service of the respective oil manufac- turer.
Page 113: Check The Coolant Level
Every 10 operating hours 6.9 Check the coolant level Danger Danger of scalding! Open the cap on the coolant compensation tank only when the engine is cold. Caution If, during the daily inspection the coolant level is found to have dropped, check all lines, hos- Fig.
Page 114 Every 10 operating hours 6.10 Checking the condition of the cutters Danger Life hazard! Do not lift and support the rotor hood with a jack or similar. When working on the rotor keep all persons out of the cabin or off the operator's platform. Fig.
Page 115 Every 10 operating hours Danger Danger of accident! Always secure the hood gate with the bolt when working on the rotor. Fig. 216 Turn the rotary switch for free-wheeling of ro- tor (a) (Fig. 216) to position "Right". Fig. 214 Take bolt (4) and spring pin (2) (Fig.
Page 116: Check The Tire Pressure
Every 10 operating hours ing cutters, see chapter "Replacing milling 6.11 Check the tire pressure cutters/milling cutter holders". Danger Danger of bursting! Take care of the air pressure when inflating tires. Excessive pressure causes the risk of bursting! Caution Mitas tires are filled with a water/anti-freeze mixture water.
Page 117: Cleaning The Machine
Every 10 operating hours Steam cleaning equipment must only be used 6.12 Visual inspection for leak- with max. 50 bar at 85 °C and from a distance ages and damage, clean the of at least 20 cm. Do not hold the cleaning yet directly on stick- machine ers and information decals.
Page 118 Every 10 operating hours 6.13 Clean the lateral hood box- 6.14 Cleaning the dirt scrapers on the hydraulic cylinders for the rotor hood Caution In order to avoid damage to rotor hood and ro- tor clean every day. Fig. 224 Remove dirt and sticking dirt from hydraulic cylinders, joints and the dirt scraper (Fig.
Page 119 Every 10 operating hours 6.15 Cleaning the intercooler Fig. 227 Blow the cooling air channels out with com- pressed air (Fig. 227). Fig. 225 In case of oily contamination spray the parts Open the cleaning flaps (Fig. 225). with cold cleansing agent and spray it off with a water jet after s sufficient soaking time.
Page 120 Every 10 operating hours 6.16 Checking the reaction water 6.17 Checking the oil level for the level reaction water pump Caution For quality and quantity of oil refer to the "table of fuels and lubricants". Fig. 229 Check the reaction water level (Fig. 229). Fig.
Page 121 Every 10 operating hours 6.18 Checking the oil level in 6.19 Checking the thermal oil compressor and service level unit Caution Check the oil level in cold condition. Caution For quality and quantity of oil refer to the "table For quality and quantity of oil refer to the "table of fuels and lubricants".
Page 122 Every 10 operating hours 6.20 Checking the contamination 6.21 Checking the binder pump of the hydraulic oil filters for leaks Fig. 234 Fig. 235 Check the degree of contamination in the dis- Check the binder pump (Fig. 235) for leaks at play (Fig.
Page 123 Every 10 operating hours 6.22 Checking the spraying sec- tions for leaks Fig. 236 Check the spraying section (Fig. 236) for leaks at operating temperature. If necessary retighten the stuffing boxes even- ly on both sides. Caution Do not over tighten the stuffing boxes! During operation a small quantity of fluid must leak out of the packing, so that it is lubricated and cooled.
Page 124 Every 10 operating hours BOMAG MPH 122-2...
Page 125: Every 50 Operating Hours
Every 50 operating hours Greasing the lift cylinder bearings on Every 50 operating hou rs 6.23 Lubricating the machine the rotor hood Caution For quality of grease refer to the "table of fuels and lubricants". Lubricate each grease nipple with approx. 5 shots of high pressure grease from the grease gun.
Page 126 Every 50 operating hours Grease the tailgate lift cylinder bear- Greasing the oscillating joint ings Fig. 243 Fig. 241 Clean and lubricate the grease nipple (Fig. 243). Clean and lubricate the front grease nipple (Fig. 241). Greasing the rear axle steering Fig.
Page 127 Every 50 operating hours 6.24 Cleaning front radiator (wa- ter/hydraulics) Note Dirty operating conditions, particularly lubrication oil and fuel deposits on the cooling fins of the hy- draulic oil cooler reduce the cooling effect. You should therefore immediately seal any oil or fuel leaks near cooling fan, cylinder or oil cooler and subsequently clean the cooling fins.
Page 128: Cleaning The Engine
Every 50 operating hours Fig. 248 Fig. 249 Remove left and right hand service doors (Fig. Blow the engine dry with compressed air. 248). Flush lose dirt with a water jet out of the V- shaped space between the cylinders. Clean both coolers from the air intake side.
Page 129 Every 50 operating hours 6.25 Checking, cleaning the ad- ditional fuel filter water separator Danger Fire hazard! When working on the fuel system do not use open fire, do not smoke, do not spill any fuel. Shut down the engine! Danger Health hazard! Do not inhale any fuel fumes.
Page 130 Every 50 operating hours BOMAG MPH 122-2...
Page 131: Every 250 Operating Hours
Every 250 operating hours Every 250 oper ating hours 6.26 Service the air conditioning Cleaning the condenser Caution A soiled condenser results in a considerable reduction of air conditioning power. Under extremely dusty conditions it may be necessary to clean the condenser several times per day.
Page 132 Every 250 operating hours Fig. 257 Fig. 255 Turn the rotary thermostat switch (Fig. 257) Clean the condenser fins (Fig. 255) from clockwise. The air flow cools down. above with compressed air or a cold water jet. Checking the refrigerant level Note The adjusted temperature must be below the actu- Start the engine.
Page 133 Every 250 operating hours Caution Have the drier/collector unit replaced by the service department every year before the oper- ating season. Checking the condition of the drier/col- lector unit Caution According to the regulation for pressure reser- voirs all pressure reservoirs must be repeated- ly inspected by a specialist.
Page 134 Every 250 operating hours 6.27 Checking the oil level in the 6.28 Checking the oil level in the front right/left hand travel rear axle reduction gear gear Caution Check the oil level in both travel gears. Fig. 263 Clean the oil level inspection and filler plug (Fig.
Page 135 Every 250 operating hours 6.29 Clean the breather valve for 6.30 Check the oil level in the the reduction gear on the rear axle rear axle Note The rear axle must be horizontally on level ground. Fig. 264 Scrub the dirt off the breather valve with a brush (Fig.
Page 136 Every 250 operating hours 6.31 Cleaning the rear axle venti- 6.32 Check the oil level in the lation valve rear planetary gear Caution Check the oil level in both planetary drives. For quality of oil refer to the "table of fuels and lubricants".
Page 137: Every 500 Operating Hours
Every 500 operating hours Every 500 oper ating hours 6.33 Changing engine oil and oil filter cartridge Danger Danger of scalding! When draining off hot oil. By hot oil when unscrewing the engine oil fil- ter. Caution Fig. 269 Drain the oil only when the engine is warm. Loosen and unscrew the engine oil filter car- tridge (Fig.
Page 138 Every 500 operating hours 6.34 Check, clean the water sep- arator Danger Fire hazard! When working on the fuel system do not use open fire, do not smoke. Environment Catch running out fuel and dispose of environ- Fig. 272 mentally. Slacken the drain plug (Fig.
Page 139 Every 500 operating hours 6.35 Servicing the generator V- belt Danger Danger of injury! Work on the V-belt drive must only be per- formed with the engine shut down. Check the V-belt Fig. 274 Lover the indicator arm (1) (Fig. 274) into the measuring unit.
Page 140: Changing The V-Belt
Every 500 operating hours Changing the V-belt 6.36 Servicing the air condition- Loosen screws (2) (Fig. 275). ing compressor V-belt Loosen screw (1). Remove the belt and install a new one. Tighten the screw (1) clockwise, until the re- Danger quired belt tension is reached.
Page 141: Battery Service, Checking The Main Battery Switch
Every 500 operating hours Retighten the V-belt 6.37 Battery service, checking the main battery switch Danger Danger of cauterisation ! Danger of explosion! When working on the battery do not use open fire, do not smoke! The battery contains acid. Wear protective clothing! Do not let acid come in contact with skin or clothes! Do not lay any tools on the battery!
Page 142 Every 500 operating hours The open-circuit voltage of the battery occurs ap- Caution prox. 10 hours after the last charging process or Exhausted batteries (batteries with formation one hour after the last discharge. of sulphate on the plates are not covered un- After each charging process allow the battery der warranty! to rest for one hour before taking it into service.
Page 143 Every 500 operating hours Checking the main battery switch 6.38 Checking the engine mounts Fig. 281 Caution Fig. 282 Pull out the main battery switch at the earliest Check all fastening screws on the engine 40 seconds after switching off the ignition, ex- mounts (Fig.
Page 144: Draining The Fuel Tank
Every 500 operating hours 6.39 Draining the fuel tank 6.40 Oil change in rotor gearbox, sludge check rotor water level Danger Danger Fire hazard! Life hazard! When working on the fuel system do not use Do not lift and support the rotor hood with a open fire, do not smoke, do not spill any fuel.
Page 145 Every 500 operating hours Fig. 287 Fig. 284 Lower the rotor to just above the ground by op- Turn the rotary switch for parking brake (Fig. erating the lever ”rotor up/down” (Fig. 287). 284) to the "right" (parking brake applied). Fig.
Page 146 Every 500 operating hours Fig. 289 Fig. 292 Take bolt (4) and spring pin (2) (Fig. 289) from Turn the rotor further with the rotary switch for the securing rod of the cab. cutter change (b) (Fig. 292) until the rotor gear cover is in 6 o'clock position.
Page 147 Every 500 operating hours Caution Do not exceed a pressure of 1.0 bar in the oil filling hose, as otherwise the seal rings may be damaged. After approx. 15 minutes pressurize the oil fill- ing hose again for approx. 5 minutes with com- pressed air.
Page 148 Every 500 operating hours Caution Make sure to fill in the exact quantity! For quality and quantity of oil refer to the "table of fuels and lubricants". Fig. 298 With the lever for lifting/lowering the rotor (Fig. 298) lower the rotor to lowest position to gain better access, until both rear wheels are off the ground.
Page 149 Every 500 operating hours Fig. 303 Fig. 305 Turn the rotor further with the rotary switch for Unscrew the two outer level control plugs (Fig. cutter change (b) (Fig. 303) until the rotor gear 305) to fill up. cover is in 6 o'clock position. Top up water through the middle bore up to the Screw the cover on.
Page 150 Every 500 operating hours Fig. 307 Remove the bolt (4) (Fig. 307) from the hood tailgate. Close the tailgate. BOMAG MPH 122-2...
Page 151: Every 1000 Operating Hours
Every 1000 operating hours Every 1000 operating hours Caution 6.41 Check, adjust the valve This engine is equipped with an internal ex- clearance haust recirculation system. During the intake cycle the exhaust valve opens for a short mo- ment. Caution This must not be mistaken as overlapping of We recommend to have this work carried out valves!
Page 152: Changing The Fuel Filter
Every 1000 operating hours 6.42 Changing the fuel filter Danger Fire hazard! When working on the fuel system do not use open fire, do not smoke, do not spill any fuel. Danger Health hazard! Do not inhale any fuel fumes. Fig.
Page 153 Every 1000 operating hours Caution 6.43 Replacing the fuel pre-filter The filter cartridge must never be filled before- cartridge, bleed the fuel hand. system Slightly oil the rubber seal on the new filter car- tridge. Screw the new filter with seal ring on by hand, Danger until the seal contacts, then tighten for half a Fire hazard!
Page 154: Bleed The Fuel System
Every 1000 operating hours (2) Pull the cable off the water separator. Slacken the bleeding screws on the fuel pre-fil- Loosen the bleeding screw and drain off fuel ters for 2 to 3 turns. from the bleeding screw. Operate the fuel hand pump (2) manually, until (3) Loosen and unscrew the fuel pre-filter car- fuel flows out of the loosened bleeding screws tridge using an appropriate filter wrench.
Page 155 Every 1000 operating hours Caution 6.44 Check the anti-freeze con- The anti-freeze concentration (additive) must centration and the condition be at least 35 Vol% and maximum 45 Vol%. of the coolant Check the condition of the coolant. If the coolant is contaminated by corrosion res- idues or other suspended matter, flush the Danger cooling system, see section "Changing the...
Page 156 Every 1000 operating hours 6.45 Intercooler, draining off oil/ 6.46 Check the fastening of en- condensation water gine / turbocharger / com- bustion air hoses Note Do this work at least once every year. Environment Environmental damage Catch running out fluid, do not let it seep into the ground and dispose off environmentally.
Page 157 Every 1000 operating hours 6.47 Checking the crankcase Nominal value pressure high idle speed: max. 20 mm water col- Caution full load: max. 50 mm water col- Excessive pressure in the crankcase can cause lubrication oil leaks on all seals. This may be caused by a not correctly func- Caution tioning crankcase ventilation.
Page 158 Every 1000 operating hours 6.48 Oil change in front travel gear Caution Drain oil only at operating temperature. Change the oil in both travel gears. For quality and quantity of oil refer to the "table of fuels and lubricants". Environment Fig.
Page 159 Every 1000 operating hours 6.49 Oil change in rear planetary gear Caution Drain oil only at operating temperature. Change the oil in both planetary gears. For quality and quantity of oil refer to the "table of fuels and lubricants". Environment Fig.
Page 160 Every 1000 operating hours 6.50 Change the oil in the rear axle reduction gear Caution Drain oil only at operating temperature. Change the oil in both travel gears. For quality and quantity of oil refer to the "table of fuels and lubricants". Environment Fig.
Page 161 Every 1000 operating hours 6.51 Oil change in rear axle Danger Danger of scalding when draining off hot oil! Caution Drain oil only at operating temperature. For quality and quantity of oil refer to the "table of fuels and lubricants". Fig.
Page 162 Every 1000 operating hours 6.52 Oil change in attachment plate exciter housing Caution Refer to the section "Fuels and lubricants" and "Table of fuels and lubricants" for oil grade and volume. Environment Catch running out oil and dispose of environ- Fig.
Page 163 Every 1000 operating hours 6.53 Change the additional fuel 6.54 Changing the thermal oil filter Danger Fire hazard! When working on the fuel system do not use open fire, do not smoke, do not spill any fuel. Shut down the engine! Danger Health hazard! Do not inhale any fuel fumes.
Page 164: Compressor Oil Change
Every 1000 operating hours Guide the drain hose into a vessel of appropri- 6.55 Compressor oil change ate size. Open drain cock (b) and let the old oil run out. Once all old oil has run out close the drain Caution cock, remove the drain hose and screw the Perform this maintenance work at the latest af-...
Page 165: Every 2000 Operating Hours
Every 2000 operating hours Every 2000 operating hours 6.56 Changing hydraulic oil and breather filter Note See also the notes on the hydraulic system in the chapter "General notes on maintenance". Danger Danger of scalding! When draining off hot hydraulic oil! Fig.
Page 166: Bleeding The Hydraulic System
Every 2000 operating hours If the hydraulic oil tank needs to be cleaned Screw the plug back in with a new seal and from inside the following work must be per- tighten it. formed: Replace the breather filter (1). Note We recommend to use the BOMAG filling and fil- tering unit with fine filter to fill the system.
Page 167 Every 2000 operating hours Take out the old filter elements, clean the filter 6.57 Change the hydraulic oil bowls. fine filter Clean the threads on the filter bowls. Assemble the filter bowls with a new filter ele- ments, check the condition of the seal rings Danger (3).
Page 168: Changing The Coolant
Every 2000 operating hours 6.58 Changing the coolant Danger Danger of scalding! Change the coolant only when the engine is cold. Caution Do not start the engine after draining off the coolant. Fig. 343 In case of lubrication oil entering into the cool- Unscrew the plug from the drain cock (Fig.
Page 169 Every 2000 operating hours Caution 6.59 Tightening the screws on The anti-freeze concentration (additive) must the articulated joint be at least 35 Vol% and maximum 45 Vol%. Fig. 344 Fig. 345 Fill coolant in through the opening in the com- Check all screws (Fig.
Page 170 Every 2000 operating hours 6.60 Checking the fire extin- guisher Fig. 346 Note This work must only be performed by a qualified person. Fire extinguishers must be checked at the latest after two years. Optional equipment BOMAG MPH 122-2...
Page 171 Every 4000 operating hours Every 4000 operating hours 6.61 Changing the injection valve Note This work must only be performed by authorized service personnel. MPH 122-2 BOMAG...
Page 172 Every 4000 operating hours BOMAG MPH 122-2...
Page 173 Every 6000 operating hours Every 6000 operating hours 6.62 Replacing the crankcase 6.63 Changing the coolant pump ventilation valve Note This work must only be performed by authorized service personnel. Fig. 347 Replace the crankcase ventilation valve (Fig. 347). MPH 122-2 BOMAG...
Page 174 Every 6000 operating hours 6.64 Changing the pressure re- taining valve on te injection pump Note This work must only be performed by authorized service personnel. BOMAG MPH 122-2...
Page 175 As required As r equired 6.65 Cleaning, changing the dry air filter cartridge Caution Perform cleaning, maintenance and repair work only with the engine shut down. Do not start the engine after removing the filter ele- ment. Fig. 349 Unscrew wing nut (1) (Fig. 349), remove cover (2).
Page 176 As required Incorrectly handled filter cartridges may be- Cleaning the dust bowl come ineffective because of damage (e.g. cracks) and cause damage to the engine. Replace the safety cartridge if the main filter el- ement is defective! Additional cleaning intervals between two fil- ter services signalized by the fault monitoring board are not necessary.
Page 177 As required 6.66 Replacing the cutting teeth/ cutting tooth holders Danger Life hazard! Do not lift and support the rotor hood with a jack or similar. When working on the rotor keep all persons out of the cabin or off the operator's platform. Fig.
Page 178 As required Fig. 359 Fig. 356 Hook the safety chains (Fig. 359) by the two The parking brake warning light (j) (Fig. 356) in the large chain links into the hooks on the rotor instrument cluster for machine functions lights up. hood.
Page 179 As required Danger Danger of accident! Always secure the hood gate with the bolt when working on the rotor. Fig. 364 Turn the rotary switch for free-wheeling of ro- tor (a) (Fig. 364) to position "Right". Fig. 362 Take bolt (4) and spring pin (2) (Fig. 362) from the securing rod of the cab.
Page 180 As required Danger Wear goggles and gloves when changing the cutting tools. Injury by hard metal splinters! Knock damaged or worn cutting teeth out of holder (1) (Fig. 366). Knock new cutting teeth with bearing shell into the holder until they bottom and check whether the cutting tooth can rotate freely.
Page 181 As required 6.67 Grease the bearings of the lift cylinder for the cabin Fig. 370 Remove bolt (4) (Fig. 370) and spring pin (2) from the tailgate and insert it into the cab se- curing rod. Close the tailgate. Fig. 371 Clean the grease nipples (Fig.
Page 182 As required 6.68 Water sprinkler system, maintenance in the event of frost Open the left hand service door Fig. 374 On water dosing systems with a capacity of 1600 lites open also the ball valve (Fig. 374) and drain off the water. Note The ball valve is located in the front frame in front Fig.
Page 183 As required 6.69 Change the fresh air filter in 6.70 Fill the provision tank for the cabin the windscreen washer sys- Caution Under extremely dusty conditions it may be necessary to clean several times a day. Danger Danger of accident! Use access steps to cabin and on left hand mud guard as well as holding grips to climb onto the machine.
Page 184 As required Setting the tire type 6.71 Change the tires Caution If the tire size is changed, the new tire type Danger must be reset in the control system as the trav- Danger of accident! el speed depends on it. Observe all safety regulations for the lifting of loads.
Page 185 As required Repeatedly press F1 until the number 9 ap- 6.72 Lubricate the attachment pears. plate adjustment spindles Confirm with F2. The third code digit flashes. Confirm with F2. The function "Setting the tire type" is now activat- For activating the corresponding tire type, enter the following code analogue with the previous pro- cedure: Enter code 6 9 1 for standard tires.
Page 186 As required 6.73 Cleaning the bitumen filter Fig. 383 Assemble the plate (Fig. 383). Remove the filter element. Fig. 381 Wash out with suitable cleaning agent and With pressure differentials between spray bar (a) burn out after. (Fig. 381) and binder pump (d) the bitumen filter Check the cover seal, renew if necessary.
Page 187: Tightening Torques For Screws With Metric Unified Thread
As required 6.75 Tightening torques for 6.74 Reaction water tank , main- screws with metric unified tenance in the event of frost thread Fig. 386 Fig. 384 * Strength classes for screws with untreated, non- Unscrew the cover (2) (Fig. 384). lubricated surface.
Page 188 As required and lubricants, according to API-(MIL-) classifica- 6.76 Conservation tion. For longer periods of rest blank surfaces must If the engine is to be shut down for a longer period be sufficiently protected. Piston rods must be of time (e.g. over winter), we recommend the fol- protected with grease.
Page 189: Troubleshooting
7 Trouble shooting MPH 122-2 BOMAG...
Page 190 Trouble shooting 7.1 General notes The following work must only be carried out by qualified and trained personnel or by the sales service. Please observe strictly the safety regulations in chapter 2 of these operating and mainte- nance instructions. Faults occur frequently due to the fact, that the machine has not been properly operated or serv- iced.
Page 191: Engine Problems
Trouble shooting 7.2 Engine problems Fault Possible cause Remedy Engine does not Fuel tank empty Fill tank and bleed the fuel system start Battery defective, discharged or not con- Tighten the terminal clamps on the bat- nected tery, check all cable connections. Starter defective, cable connections on Check cable connections, have starter starter loose or corroded...
Page 192 Trouble shooting Fault Possible cause Remedy Poor starting of Battery power too low, terminal clamps Have the battery tested, clean the termi- engine or en- loose or oxidized causing the starter to nal clamps, tighten and cover them with gine works irreg- turn too slowly.
Page 193 Trouble shooting Fault Possible cause Remedy Engine over- Coolant temperature too high (warning Clean cooling fins, check coolant level, heating, engine light for coolant temperature in instrument check radiator fan must be shut cluster for engine/hydraulics lights up). down immedi- Coolant level too low (coolant level warn- Fill up coolant, check radiator hoses, ately...
Page 194 Trouble shooting 7.3 General notes on diagnostic push button and control light Caution In case of a fault make a note of the fault code and inform the BOMAG customer service or the customer service of the engine manufac- turer. Fig.
Page 195 Trouble shooting 7.4 Air conditioning system faulty Faults Possible cause Remedy System does Electric connections loose Check the switch in the dash board not work Relay defective Check the relay in the control panel Fuse defective Replace the fuse, check the function of the blower switch System does Overpressure...
Page 196 Trouble shooting 7.5 Faults in binder dosing sys- Fault Possible cause Remedy No or insuffi- Bitumen temperature too low. The bitumen temperature must be min. cient formation 180 °C, check the binder temperature, of foam check the thermal oil temperature Reaction water pressure too high or too Check the reaction water pressure Bitumen quanti-...

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