Fayat Bomag BP 20/50 Operating Instructions Manual Download Page 59

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Trouble shooting

BOMAG

BP 20/50, BP 25/50

7.2

Engine problems

Fault

Possible cause

Remedy

Engine does not
start

Turn the ignition switch to position "0"
(OFF).

Turn the ignition switch to position "I"
(ON).

Engine oil level too low

Check the engine oil level, top up if neces-
sary

Fuel tap closed.

Open the fuel tap.

Fuel tank empty

Check the fuel level, top up if necessary.

Fuel system clogged

Clean the fuel screen in the carburettor

No ignition spark

Clean, check the spark plug, replace if
necessary

Fuel nozzle clogged

Have examined by a specialist

Ignition switch defective

Have examined by a specialist

Engine does not
crank when op-
erating the start-
er

Starter defective

Have examined by a specialist

Low engine
power

Air filter clogged

Clean the air filter, replace if necessary.

Throttle control defective

Have examined by a specialist

Engine defective

Have examined by a specialist

Carburettor defective

Have examined by a specialist

Engine over-
heating

Lack of cooling air

Clean air filter and/or engine

Engine stops

Engine oil level too low

Check the engine oil level, top up if neces-
sary

Fuel tank empty

Check the fuel level, top up if necessary.

Clean fuel screen in carburettor

Clean the fuel screen in the carburettor

No vibration

Centrifugal clutch defective

Replacing the centrifugal clutch

V-belt broken

Replacing the V-belt

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Summary of Contents for Bomag BP 20/50

Page 1: ...al operating instructions 01 2013 Catalogue No 008 059 01 BP 20 50 BP 25 50 S N 101 230 03 2288 S N 101 230 05 1379 Forward marching vibratory plate 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: ...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 4: ...his manual was written for operators and mainte nance personnel on construction sites These operating and maintenance instructions are part of the machine You should only operate the machine after you have been instructed and in compliance with these instructions Strictly observe the safety regulations Please observe also the guidelines of the Civil En gineering Liability Association Safety Rules ...

Page 5: ...ll in the above listed data when receiving the ma chine Upon receipt of the machine our organization will instruct you about correct operation and mainte nance Please observe strictly all safety regulations and notes on potential dangers Fig 1 Fig 2 Fig 3 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 6: ...le of fuels and lubricants 38 6 4 Running in instructions 39 6 5 Maintenance table 40 Maintenance every day 43 6 6 Cleaning the machine 43 6 7 Check the engine oil level 43 6 8 Check the fuel level 44 6 9 Filling the water tank 44 Wartung wöchentlich 45 6 10 Check clean the air filter 45 Maintenance every month 47 6 11 Clean the cooling fins and the cooling air intake openings 47 Maintenance every...

Page 7: ...ng the oil in the exciter housing 57 6 21 Check the rubber buffers 57 As required 59 6 22 Change the air filter 59 6 23 Tightening the screws 60 6 24 Engine conservation 60 7 Trouble shooting 63 7 1 General notes 64 7 2 Engine problems 65 8 Disposal 67 8 1 Final shut down of machine 68 G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 8: ...BOMAG 7 BP 20 50 BP 25 50 2 Technical Data 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: ... lbs Water sprinkling system1 10 kg 22 lbs Transport wheels1 4 kg 9 lbs Travel characteristics Working speed max 30 m min 98 ft min Max gradability depending on soil 30 30 Drive Engine manufacturer Honda Honda Type GX 160 GX 160 Cooling Air Air Number of cylinders 1 1 Rated power ISO 9249 3 6 KW 4 8 hp Rated speed 3600 min 1 3600 rpm Drive system mech mech G o t o D i s c o u n t E q u i p m e n t...

Page 10: ...fugal force 20 kN 4496 lbf Water sprinkling system1 Type of sprinkling Gravity feed Gravity feed Filling capacities Fuel gasoline 3 1 l 0 8 gal us Water sprinkling system1 13 5 l 3 6 gal us Engine oil 0 6 l 0 16 gal us 1 Optional equipment BP 20 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 11: ...ht 107 kg 236 lbs Water sprinkling system1 10 kg 22 lbs Transport wheels1 4 kg 9 lbs Travel characteristics Working speed max 30 m min 98 ft min Max gradability depending on soil 30 30 Drive Engine manufacturer Honda Honda Type GX 160 GX 160 Cooling Air Air Number of cylinders 1 1 Rated power ISO 9249 3 6 KW 4 8 hp Rated speed 3600 min 1 3600 rpm 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...

Page 12: ...0 vpm Centrifugal force 25 kN 5620 lbf Water sprinkling system1 Type of sprinkling Gravity feed Gravity feed Filling capacities Fuel gasoline 3 1 l 0 8 gal us Water sprinkling system1 13 5 l 3 6 gal us Engine oil 0 6 l 0 16 gal us 1 Optional equipment BP 25 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 13: ... 50 LpA 94 dB A determined acc to ISO 11204 and EN 500 Guaranteed sound power level BP 20 50 LWA 108 dB A determined acc to ISO 3744 and EN 500 BP 25 50 LWA 108 dB A determined acc to ISO 3744 and EN 500 Danger Loss of hearing Wear your personal noise protection means ear defenders before starting operation Vibration value Hand arm vibration Vector total of the weighted effective acceleration in t...

Page 14: ...BOMAG 13 BP 20 50 BP 25 50 3 Safety regulations 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: ... than the one it is intended for Any danger caused by intended use is the sole re sponsibility of the customer or driver operator the manufacturer cannot be made liable Examples for unintended use are l Dragging the machine along as a measure of transportation l Throwing the machine off the transport vehicle l Attaching an additional weight to the machine It is not permitted to stand on the machin...

Page 16: ...nance instructions Danger Paragraphs marked like this highlight possible dangers for persons Caution Paragraphs marked like this highlight possible dangers for machines or parts of the machine Note i Paragraphs marked like this contain technical in formation for the optimal economical use of the machine Environment Paragraphs marked like this point out practic es for safe and environmental disposa...

Page 17: ...rking the machine Park the machine on level firm ground Before leaving the machine l park the machine so that it cannot turn over l Shut down the engine Mark machines which could be in the way with a clearly visible sign Refuelling Do not inhale any fuel fumes Do not swallow fuel Avoid contact with skin and eyes Refuel only with the engine shut down Do not refuel in closed rooms No open fire do no...

Page 18: ...er these items beforehand Do not guide the water jet directly into air filter and air intake or exhaust muffler After maintenance work After all maintenance work is completed reinstall all guards and safety installations Repair Repair work must only be performed by qualified and authorized persons Exhaust gases are highly dangerous Always en sure an adequate supply of fresh air when starting in cl...

Page 19: ...ation sticker Lashing points 3 Information sticker Lifting point 4 Instruction sticker Wear ear defenders 5 Information sticker Guaranteed sound capac ity level 6 Brief operating instructions 7 Maintenance sticker 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 20: ... 50 BP 25 50 Fig 7 Warning sticker Read operating instructions Fig 8 Information sticker Open choke and fuel valve Fig 9 Information sticker Throttle lever 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: ...BOMAG 21 BP 20 50 BP 25 50 4 Indicators and Controls G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 22: ...e scribed in detail The section Operation contains only brief de scriptions of the individual control steps 4 2 Description of indicators and control elements Fig 10 No 1 Choke lever Position left Choke closed Position right Choke open No 2 Fuel cock Position left Fuel tap closed Position right Fuel tap open Fig 11 No 3 Ignition switch Position 0 Ignition off Position I Ignition on G o t o D i s c...

Page 23: ...rinkling system1 Note i Continuously variable adjustment No 7 Water level gauge Fig 15 No 8 Locking of guide handle1 No 9 Locking of transport wheels1 Fig 16 No 10 Locking of guide handle in middle1 No 11 Locking of transport wheels1 1 Optional equipment 230082 9 8 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 24: ...BOMAG 25 BP 20 50 BP 25 50 5 Operation 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 25: ...longer working period Danger Danger of accident Please observe strictly the safety regulations in the corresponding section of this instruc tion manual l Park the machine on ground as level as possi ble l Cleaning the machine Check l condition of engine and machine l fuel tank and fuel lines for leaks l screw joints for tight fit Note i For a description of the following tasks refer to the chapter...

Page 26: ...make sure that there are no persons in the danger area of engine or ma chine and that all safety installations are in place Before starting check the starter rope for chaf ing replace if necessary A damaged rope can break and cause injuries during starting Always hold on to the machine The machine moves immediately after starting Always keep an eye on a running machine Danger Loss of hearing Wear ...

Page 27: ...low oil level safety shut down The engine cannot be started if the oil level is too low Fig 20 l Set the throttle lever Fig 20 to 1 3 throttle po sition Fig 21 l Turn the ignition switch Fig 21 to position I ON Fig 22 l Slightly pull the starter handle Fig 22 until resistance can be felt compression pressure but do not pull out completely l Guide the starter handle back to initial position by hand...

Page 28: ... bit by bit Fig 25 l Move the throttle lever Fig 25 back to idle speed position l Run the engine warm for approx 1 to 2 min utes in idle speed Note i Operation of the vibratory plate can be started as soon as the engine responds to short throttle com mands Caution When the engine is running leave the ignition switch in position I Fig 26 l If the engine stops again after approx 3 to 5 seconds close...

Page 29: ...ark plug with a clean cloth or blow it dry with compressed air If necessary clean with a wire brush l Screw the spark plug back in and plug the spark plug socket back on l Repeat the starting procedure 5 5 Work operation Danger Danger of accident Steer the vibratory plate only be the steering handle Caution Operate the vibratory plate only with full en gine speed as otherwise the centrifugal clutc...

Page 30: ...adjust ment 5 7 Switching the motor off Caution Do not shut the engine down all of the sudden from full speed but let it idle for a while for temperature equalization Fig 29 l Move the throttle lever Fig 29 back to idle speed position Fig 30 l Turn the ignition switch to position OFF Fig 30 the engine will stop 1 Optional equipment G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o ...

Page 31: ...ear only to the lifting eye provided for this pur pose Check lifting eye for damage before use Do not use a damaged or in any other way im paired lifting eye Do not lift or lower the machine jerkily The tension must always be effective in verti cal direction The machine must not swing about when be ing lifted Do not step or stand under suspended loads Always use suitable lashing gear on the liftin...

Page 32: ...hine to the transport vehicle fas ten the lashing gear to the cross bar Fig 34 on the machine Transport wheels1 with guide handle at rear Fig 35 l Lock the steering bow with the locking bolts 8 Fig 35 Fig 36 l Pull out and turn the locking bolt 9 Fig 36 l Fold down the transport wheels 230048 1 Optional equipment 230083 8 230084 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...

Page 33: ...dle in middle position1 Fig 38 l Lock the steering handle with the the hook Fig 38 l Unlock the safety bolt 2 and fold down the transport wheels Fig 39 l Push the vibratory plate up by the guide han dle Fig 39 and fold the transport wheels un der the base plate The vibratory plate can now be moved 1 Optional equipment 230052 230053 1 2 230054 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 34: ...BOMAG 35 BP 20 50 BP 25 50 6 Maintenance 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: ...and dispose of environmentally Notes on the fuel system The lifetime of the engine mainly depends on the purity of the fuel l Keep fuel clean of any contamination and wa ter l When choosing the storage place for fuel make sure that spilled fuel will not harm the en vironment Fresh fuel should not be stored for longer than 3 months if no fuel stabilizer has been added When storing for longer than 3...

Page 36: ...ustion residues to a minimum Do not use oil gasoline mixes or contaminated gasoline Protect the fuel tank against dirt dust or water Alcohol containing gasoline If you decide on using alcohol containing gasoline Gasohol you should make sure that the octane number is at least as high as for unleaded gaso line There are two types of Gasohol available one contains ethanol and the other one methanol D...

Page 37: ... 30 C 4 F to 86 F SAE 10W 40 20 C to 40 C 4 F to 104 F SAE 15W 40 15 C to 40 C 5 F to 104 F SAE 30 10 C to 30 C 50 F to 86 F SAE 10W 20 C to 0 C 4 F to 32 F SAE 40 25 C to 45 C 77 F to 113 F SAE 20W 10 C to 10 C 14 F to 50 F Fuel Gasoline unleaded 3 1 l 0 8 USgal Water tank Water Water with anti freeze agent 13 5 l 3 6 USgal Vibrator shaft housing as engine oil 0 3 l 0 08 USgal G o t o D i s c o u...

Page 38: ... to the oil consumption will drop to the normal level after approx 100 to 200 operating hours After 25 operating hours l Change the engine oil l Check engine and machine for leaks l Check the valve clearance adjust if necessary l Retighten the fastening screws on air filter ex haust fuel tank and other attachments l Retighten the bolted connections on the ma chine l Check the vibration drive V bel...

Page 39: ...hange the engine oil at least every 100 operat ing hours X 6 13 Check clean the spark plug replace if necessary X 6 14 Clean the slurry filter X 6 15 Check the oil level in the exciter housing X 6 16 Check tension the V belt replace if neces sary X 6 17 Check adjust the valve clearance at least every 300 operat ing hours Intake valve 0 15 mm Exhaust 0 20 mm X 6 18 Clean the fuel screen X 6 19 Repl...

Page 40: ...ntake 2 and the ignition switch 3 l After wet cleaning run the engine warm to evaporate all water residues and to avoid cor rosion 6 7 Check the engine oil level Caution Park the machine on level ground so that the engine is in horizontal position For quality and quantity of oil refer to the table of fuels and lubricants Fig 42 l Shut down the engine l Pull out the dipstick Fig 42 and wipe it clea...

Page 41: ...l Fill in fuel through a funnel with screen l Close the tank again 6 9 Filling the water tank1 Caution Dirty or contaminated water can block the noz zles Fill only with clean water If there is a risk of frost the water sprinkler sys tem must be emptied or filled with an anti freeze mixture Fig 44 l Open the water tank cover 1 Fig 44 and fill in clean water Note i The water tank can alternatively a...

Page 42: ...r several times cleaning but at the latest after 1 year Each cleaning interval must be marked with a cross on the cover of the air filter Cleaning does not make sense if the air filter is covered with a sooty deposit Use a new air fil ter Incorrectly handled air filters may become in effective because of damage e g cracks and cause damage to the engine Fig 45 l Unscrew wing nut 1 Fig 45 and remove...

Page 43: ... Clean the foam rubber insert 5 in warm soapy water rinse it and let it dry thoroughly l Soak the foam insert in clean engine oil Then squeeze out excess oil Caution If the air filter is not correctly inserted dust and foreign particles can enter into the air in take channel Fig 48 Insert the air filter l Pull the foam rubber element 5 Fig 48 over the paper element 4 l Insert the air filter correc...

Page 44: ...Fig 49 l Loosen dried on dirt with a suitable brush Fig 49 from all cooling fins and cooling air intake openings and blow it off with compressed air Danger Fire hazard Do not use any inflammable solvents Caution Do not guide the water jet directly into the cooling air openings of the recoil starter into the air filter and on electrical equipment l On a oil contaminated engine use a cold cleansing ...

Page 45: ...o the ground and dispose off environmentally Note i Tilt the machine towards the guide handle Fig 50 l Unscrew the oil drain plug Fig 50 let the old oil run out and catch it l Turn the oil drain plug back in with a new seal ring Fig 51 l Position the engine horizontally and unscrew the oil dipstick Fig 51 l Fill in oil through the oil filler opening until it reached the filler socket l Check the s...

Page 46: ...heck the spark plug Fig 53 visually and clean it if necessary l Check the electrode gap with a feeler gauge if necessary adjust the gap to 0 7 0 8 mm 0 028 0 032 in l Turn the spark plug carefully in by hand l Once the sealing surface of the new spark plug is in contact tighten for another 1 2 turn with the spark plug spanner l Once the sealing surface of the used spark plug is in contact tighten ...

Page 47: ...ig 54 and wash out in fuel l Check the O ring 2 for damage replace if necessary l Turn the fuel sludge filter in tightly and mind the O ring 6 15 Checking the oil level in the exciter housing Note i Park the machine on level ground Fig 55 l Unscrew the plug Fig 55 and check the oil level The oil level must reach the bottom edge of the opening if necessary fill in oil For quality of oil refer to th...

Page 48: ... Slightly loosen two fastening screws 1 Fig 57 on both sides of the engine carrier l Push the motor carrier forward and take the V belt off l Install the new V belt Tightening the V belt Fig 58 l Pull the engine carrier back Fig 58 until the correct V belt tension is achieved and tighten the fastening screws 1 l Assemble the V belt guard Caution Check the V belt tension again after a running time ...

Page 49: ...gnment mark 1 Fig 60 on the starter disc to the top bore 2 Check the valve clearance Valve clearance Intake valve 0 15 mm 0 006 in Exhaust valve 0 20 mm 0 008 in Fig 61 l Check the valve clearance with a feeler gauge on both valves Fig 61 Adjust the valve clearance Fig 62 l Hold hexagon nut 4 Fig 62 on the rocker le ver and loosen counter nut 3 l Adjust hexagon nut on the rocker arm so that the fe...

Page 50: ...fumes Fig 63 l Open the fuel tap Fig 63 by turning in direc tion of arrow Environment Catch running out fuel do not let it seep into the ground and dispose off environmentally Fig 64 l Unscrew the sediment filter 1 Fig 64 drain off and catch all fuel l Check the seal 2 for damage change if nec essary l Screw the sediment filter with sealing ring in tightly Fig 65 l Unscrew the hexagon nut 1 Fig 65...

Page 51: ... necessary l Check the seal 3 replace if necessary l Turn the fuel screen filter tightly in with the seal l Fasten the hose and reassemble the fuel tank 6 19 Replacing the starter rope Fig 67 l Disassemble the recoil starter from the engine housing Fig 67 Fig 68 l Pull the starter rope completely out by the starter handle Fig 68 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...

Page 52: ...at both ends and remove the old starter rope l Thread in the new starter rope 3 and fix at both ends with knots Fig 71 Danger Danger of injury Do not allow the starter handle to hit back but guide it back slowly Do not let the starter han dle hit back but guide it back l Remove the coil fixture and guide the starter handle slowly back to initial position Fig 71 l Pull the starter handle to check t...

Page 53: ...ronmentally l Tilt the machine slightly towards the oil drain side and support it safely Fig 72 l Unscrew plug Fig 72 catch old oil l Put the machine in horizontal position Fig 73 l Fill in oil to the lower edge of the bore Fig 73 l Screw the plug back in 6 21 Check the rubber buffers Fig 74 l Check all rubber buffers Fig 74 for tight fit cracks and damage and replace immediately if damaged G o t ...

Page 54: ...wing nut 3 and take off paper ele ment 4 with the foam rubber insert 5 l Check the rubber seal 6 replace if neces sary Caution The rubber seal 6 frequently sticks to the pa per element l Soak the new foam rubber insert 5 in clean engine oil Then squeeze out excess oil l Pull the foam rubber element 5 over the new paper element 4 l Insert the air filter correctly and tighten it with the wing nut 3 ...

Page 55: ...icants 6 24 Engine conservation 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 Environment Catch running out fuel do not let it seep into the ground If the engine is to be shut down for a longer pe riod of time e g over winter we recommend the following engine conservation measures to avoi...

Page 56: ...several times with the recoil starter to distribute the oil l Screw the spark plug back in Fig 79 l For this purpose align triangle mark 1 Fig 79 on the starter disc to the top bore 2 Note i Intake and exhaust valves closed The combus tion chamber is protected against corrosion l Cover the engine to protect it against dust and moisture Note i Depending on weather conditions these conserva tion mea...

Page 57: ...BOMAG 63 BP 20 50 BP 25 50 7 Trouble shooting G o t o D i s c o u n t E q u i p m e n t c o m t o o r d e r y o u r p a r t s ...

Page 58: ...d by incorrect operation of the machine or insufficient mainte nance Whenever a fault occurs you should there fore thoroughly read these instruction on correct operation and maintenance If you cannot locate the cause of a fault or rectify it yourself by following the trouble shooting chart you should contact our customer service depart ment 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 59: ... does not crank when op erating the start er Starter defective Have examined by a specialist Low engine power Air filter clogged Clean the air filter replace if necessary Throttle control defective Have examined by a specialist Engine defective Have examined by a specialist Carburettor defective Have examined by a specialist Engine over heating Lack of cooling air Clean air filter and or engine En...

Page 60: ...BOMAG 67 BP 20 50 BP 25 50 8 Disposal 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: ... 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 l Empty the fuel tank l Drain lubrication oil from engine and exciter housing Danger Danger of explosion Parts that previously contained combustible fluids must not be cut with a cutting torch G o t o D i s c o u n t E q u i p m e n t c o m t o o...

Page 62: ...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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Fayat Bomag BP 20/50, Operating Instructions Manual

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Summary of Contents for Bomag BP 20/50

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