MODEL: GP56BPB - Midland Power Distribution Limited
Contents
1. Spark plug Components of anti vibration system 17 Specifications Ignition System Single cylinder two stroke engine Type Displacement 56 5 cm Bore 46 mm Spark plug Stroke 34 mm suppressed Idle speed 2 800 rpm Electrode gap Engine power 2 5 kw Spark plug thread Weight 10 5 kg Ari flow rate 1060 m n Spraying attachment Fuel System Container capacity 141 Carburetor Size of filler strainer 1 mm mesh Discharge rate 0 14 3 03 l min infinitely Air filter variable Fuel tank capacity Quantity left in 0 11 Fuel mix container design related Rewind Starter Starter rope 3 5 mm dia x 960 mm 1 Weighted equivalent level includes idling and racing with the same duration of exposure 18 Electronic magneto ignition Bosch WSE 6 F or BPMR 7 A 0 5 mm M 14 x 1 25 9 5 mm long All position diaphragm carburetor with integral fuel pump Sponge element 1 8 see chapter Fuel 1E46FP 3 GASOLINE ENGINE EXPLOSIVE PICTURE 1E46FP 3 AMIA Mt 1E46F 3 GASOLINE ENGINE 1EA6P CH OL MA seso lirio nthe ee ee Jn pt y Ser NO Erp NO Part Name Qty ra NO Erp NO Part Name Qty ia es Geet ra com 2 0 fore Cs eS HH ps es Wasim EE Ra EE imn 148 oms be ll mo are JE coe o onhag Tice oor E oat 2 CEA IN Eh FIL as U E 16 2801 fieaenaircoawccas 1 o Cea o mun A pt so Fino O E a bo EE Be O EA al bs 07 Ba 2 1088 2927 o ao Bono 12. Attachments or cutting tools not approved by dealer Using the product for purposes for which it was not designed Using the product for sports or competitive events Consequential damage caused by continuing to use the product with defective components Maintenance Work All the operations described in the Maintenance Chart must be performed on a regular basis If these maintenance operations cannot be performed by the owner they should be performed by an authorized servicing dealer If these operations are not carried out as specified the user assumes responsibility for any damage that may occur Among other things this includes Damage to the engine due to neglect or deficient maintenance e g of air and fuel filters incorrect carburetor adjustment or inadequate cleaning of cooling air inlets intake ports cylinder fins Corrosion and other consequential damage resulting from improper storage Damage and consequential damage resulting from the use of parts other than original replacement parts Damage resulting from maintenance or repair work performed by authorized servicing dealers Parts Subject to Wear and Tear Some parts of the power tool are subject to normal wear and tear even during regular operation in accordance with instructions and depending on the type and duration of use have to be replaced in good time Among other parts this includes Filters air fuel Fanwheel Starter mechanism
3. dealer Replacing Starter Rope and Rewind Spring Replacing the starter rope e Remove the screws 1 e Take the starter cover 2 off the engine 14 Remove the spring clip 3 Remove the rope rotor with washer 4 and pawl 5 Ease the cap 6 out of the starter grip Remove remaining rope from the rotor and grip Tie a simple overhand knot in the end of the new starter rope see Specifications and then thread the rope through the top of the grip and the rope bush 7 Refit the cap in the grip Thread the rope through the rotor and secure it in the rotor with a simple overhand knot Fit the pawl 5 in the rotor and slip the washer 4 over the starter post Use a screwdriver or suitable pliers to install the spring clip 3 on starter post and over the peg on the pawl the spring clip must point clockwise see illustration Go to Tensioning rewind spring Replacing a broken rewind spring Lubricate the new spring with a few drops of non resinous oil Remove the rope rotor as described in Replacing the starter rope Remove parts of old spring Fit new spring housing bottom plate must face downward Engage outer spring loop over the lug Refit the rope rotor Go to Tensioning rewind spring If the spring pops out and uncoils during installation Refit it in the spring housing in the counter clockwise direction start outside and work inward Tensioning rewind sprin
4. seizure rapid rate of wear etc Gasoline Use only regular branded gasoline with a minimum octane rating or 90 If the octane rating of the regular grade gasoline in your area is lower use premium fuel leaded or unleaded RS For health and environmental reasons you should give preference to unleaded gasoline If your machine is equipped with a catalytic converter you must use unleaded gasoline A few tankfuls of leaded gasoline will greatly reduce the efficiency of the catalytic converter Engine oil Use only quality two stroke engine oil Other quality two stroke engine oils must conform to classification TC Poor quality gasoline or engine oil may damage the engine sealing rings hoses and the fuel tank Mixind fuel N Avoid direct skin contact with gasoline and avoid inhaling gasoline vapour e Use a canister approved for storing fuel Pour oil 1 into the canister first then add gasoline 2 and mix thoroughly Mix ratio Two stroke engine oils classification TC 25 parts gasoline to 1 part oil Fueling Storing fuel Fuel mix ages Only mix sufficient fuel for a few months work Store in approved safery type fuel canisters in a dry and safe location Thoroughly shake the mixture in the canister before fueling your machine Pressure may build up in the canister open it carefully Clean the fuel tank and canister from time to time so Dispose of cleaning fluid properly at authorized disposal locat
5. to prevent it slipping e Pull the satarter grip slowly with your right hand until you feel it engage and give it a brisk strong pull Do not pull the starter rope out all the way 1 as it might otherwise break i iii e Do not let the starter grip snap back e Guide it slowly back into the housing so that the starter rope can rewind properly When engine begins to fire e lfengine is cold Turn choke knob to and continue cranking until engine runs e f engine is warm Continue cranking until engine runs C p As soon as engine runs e Move the setting lever 2 to the lower stop so that the engine settles down to idle speed To shut down the engine e Slide the stop switch 1 to OFF At very low outside temperatures Allow engine to warm up As soon as engine runs e Move the setting lever to the lower stop the engine settles down to idle speed e Open throttle slightly warm up engine for a short period If the engine does not start If you did not turn the choke knob to quickly enough after the engine began to fire the combustion chamber is flooded e Pull off the spark plug boot e Unscrew and dry off the spark plug 10 Set the stop switch to OFF Open the throttle fully Pull the starter rope several times to clear the combustion chamber Fit the spark plug and reconnect the spark plug boot Move the stop switch to ON Turn the choke knob to even if
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7. O Do not operate the blower if you are under the influence of any substance drugs alcohol etc which mi ght impair vision dexterity or judgment Only attachments supplied are expressly approved for use with your specific model are authorized Other attachments must not be used because of the increased risk of accidents Excludes all liability for personal injury and damage to property caused while using unauthorized attachme nts Wear proper clothing and equipment Clothing must be sturdy and snug fitting but allow complete freedom of movement a safety coverall is recommended Avoid loose fitting jackets scarfs neckties jewelry flared or cuffed pants unconfined long hair or anything that could get into the air intake Wear sturdy boots with nonslip soles Steel toed safety boots are recommended Wear safety glasses goggles or a face shield Wear sound barriers ear plugs or ear mufflers to protect your hearing Wear heavy duty nonslip gloves preferably made of chrome leather Always shut off the engine before fefueling Gasoline is an extremely flammable fuel Do not smoke or bring any fire or flame near the fuel Do not fuel a hot engine fuel may spill and cause a fire Remove the fuel filler cap on the unit carefully so as to allow any pressure build up in the tank to release slowly Fuel your blower in well ventilated areas outdoors only Wipe off any spilled fuel before starting and check for leakage
8. O gZ E e support GARDENPRIDE BACK PACK BLOWER USER S MANUAL MODEL GP56BPB www midlandpower co uk Guide to Using this Manual Pictograms All the pictograms attached to the machine are shown and explained in this manual The operating and handling instructinns are supported by illustrations Symbols in text The individual steps or procedures described in the manual may be marked in different ways e Step or procedure without direct reference to an illustration Description of step or procedure that refers directly to the illustration and contains item numbers that appear in the illustration Example Loosen the screw 1 Lever 2 In addition to the operating instructions this manual may contain paragraphs that require your special attenti on Such paragraphs are marked with the symbols described below A Warning where there is a risk of an accident or personal injury or serious damage to property Warning where there is a risk of damaging the machine or individual components N Note or hint which is not essential for using the machine but may improve the opetator s umderstanding of the situation and result in better use of the machine Ri Note or hint on correct procedure in order to avoid damage to the environment Equipment and features This instruction manual refers to several models with different features Components that are not installed in all models and related applications are marked th
9. Take care not to get fuel on your clothing If this happens Change immediately Unit vibrations can cause an improperly tightened fuel cap to loosen or come off and spill O quantities of fuel In order to reduce risk of fuel spillage and fire tighten fuel cap as speeifred On units with a screw cap Tighten the cap by hand with as much force as possible On units with hinged handle on the fuel cap Tighten as described in chapter Fueling Check for fuel leakage while refueling and during operation If fuel leakage is found do not start or run the engine until leak is fixed Store gasoline and oil in propetly labelled approved safety type cans Transporting the unit Always stop the engine Transporting in a vehicle Properly secure your unit to prevent turnover fuel spillage and damage When the unit is not in use work break put it dowm so that it does not endanger others Before starting Check the following points e Throttle trigger must move freely and spring back to idle position when released e Stop switch must move easily to OFF e Tightness of spark plug boot if boot is Loose sparks may oceur and ignite the escaping fuel vapor Starting Start the engine at least 3 m 10 ft from the fueling spot outdoors only To reduce the risk of breathing toxic fumes never start or run your unit in confined spaces Place the unit on firm ground in an open area Make sure you have good balance and secure footing Hold
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11. e container material brittle which could result in leaks or breakage Maintenance Chart The following maintenance intervals apply to normal operating conditions only If your daily working time is longer than normal or operating conditions are difficult very dusty work area etc shorten the specified intervals accordingly starting work after finishing work or daily after each refueling stop if problem if required before Visual inspection conditon leaks x Complete machine as ono TT III Filter in fuel tank n iter in fuel tan Replace gt LL terta ean o a a lea E par ee ee ee ee eee CIU LC AS A AS IS SS ES coin armas oia a A A EEE All accessible screws ma nuts Tomen notadjusting screws Container with hose C inspection condition leaks Metering unit Check Visual inspection Have replaced by dealer Anti vibration elements 16 Minimize Wear and Avoid Damage Observing the instructions in this manual helps reduce the risk of unnecessary wear and damage to the power tool The power tool must be operated maintained and stored with the due care and attention described in this owner s manual The user is responsible for all damage caused by non observance of the safety precautions operating and maintenance instructions in this manual This includes in particular Alterations or modifications to the product not approved by dealer Using attachments Power Tool
12. g Make a loop in the unwound starter rope and use it to turn the rope rotor six full revolutions in the direction of the arrow see illustration T5 e Make a loop in the unwound starter rope and use it to turn the rope rotor six full revolutions in the direction of the arrow see illustration Hold the rotor steady straighten the twisted rope Release the rotor and let go of rope slowly so that it winds onto the rotor e The starter grip must sit firmly in the rope guide bush If the grip droops to one side Increase spring tension by one additional turn When the starter rope is fully extended it must be possible to rotate the rotor at least another half turn If thisis not possible the spring is overtensioned and could break Take one turn of the rope off the rotor e Fit the starter cover on the enging e Tighten down the screws firmly e Move the stop switch to OFF Storing the Machine For periods of about 3 months or longer Drain and clean the fuel tank in a well ventilated area Drain and clean the container Run engine until carburetor is dry this helps prevent carburetor diaphragms sticking together Thoroughly clean the machine pay special attention to the cylinder fins and air filter Store the machine in a dry high or locked location out of the reach of children and other unauthorized persons e Do not expose the container to direct sunlight for unnecessarily long periods UV rays can make th
13. ion e Before fueling clean the filler cap and the area a around it to ensure that no dirt falls into the tank e Position the unit so that the filler cap is facing up Take care not to spill fuel while fueling and do not overfill the tank AAtter fueling tighten down filler cap by hand as securely as possible Change the fuel pickup body once every year Drain the fuel tank e Use a hook to pull the fuel pickup body out of the tank and take it off the hose Push the new pickup body into the hose e Place the pickup body in the tank see Guide to Using this Manual Starting Stopping the Engine Om e Observe safety precautions see chapter Safety Precautions e Slide the stop switch 1 to ON e Move the setting lever 2 to the center position this is the starting throttle position Note The setting lever can be used to select any throttle opening between idle speed lower stop and full throttle upper stop Set the lever to idle position before switching off the engine Before starting e Ifthe engine is cold turn the choke knob to e Ifthe engine is warm turn the choke lever to Also use this position is the engine has been running but is still cold e Put the unit on the ground Check that bystanders are well clear of the general work area and the nozzle O Make sure you have a firm footing Hold the unit with your left hand on the housing and put one foot againstthe base plate
14. ion products Change clothing immediately if it becomes soaked with plant proteciton chemical or spay solution A To reduce the risk of inhaling poisonous fumes from chemicals and exhaust gases do not operate the mistblower in confined spaces Always wear a respirator when working in well ventilated greenhouses in dense high stands and performing any work with dangerous dusting chemicals Be alert to the wind directi on Do not work into the wind Walk forwards only when the unit is running After finishing work drain and clean the container Do not empty residual spray solution or flushing fluids into waterways gullies sinks drainage ditches or shafts Dispose of properly in accordance with local waste disposal regulations Always drain and clean the container before transporting the mistblower in a vehicle A In an emergency release the quick action buckles slip out of the harness and throw off the machine Vibrations Prolonged use of the unit may result in vibration induced circulation problems in the hands whitefinger disease No general recommendation can be given for the length of usage because it depends on several factors The period of usage is prolonged by Hand protection wearing warm gloves breaks The period of usage is shortened by Any personal tendency to suffer from poor circultaion symptoms frequently cold fingers itching Low outside temperatures Gripping force a tight grip hinders circulati
15. ll go Rotate the tube to the left counter clockwise as far as stop and leave it in that position until you have completed the following adjustments Turn the control handle counterclockwise to the horizontal position Now rotate the extension rube counterclockwise until the metering unit points in the same direc tion as the control handle Tighten down clamp screw see Adjusting the control handle Attach liquid hose to the pleated hose with the retainer Push the free end of the liquid hose over the stub on the stop cock and secure in position with the hose clip Close the stop cock move lever to vertical position Fill up with water and check all hose connections for leaks Put the unit on your back Release the clamp screw Slide the control handle along the pleated hose to the most comfortable position Retinhten the clamp screw Adjusting the harness straps Pull the ends of the straps downward to tighten the harness Fuel Your engine requires a mixture of gasoline and engine oil The quality of these constituents and the mix ratio have a decisive influence on the function and scervice life of the engine Loosening the harness straps e Lift the tabs of the two sliding adjusters e Adjust the straps so that the backplate is held firmly and comfortably against your back Unsuitable fuels or lubricants or mix ratios other than those specified may result in serious damage to the engine piston
16. new one Install the main filter and prefilter elements in the filter cover e Fit the cover on the filter base and tighten it down firmly Carburetor General Information Your carburetor comes from the factory with a standard setting This setting provides an optimum fuel air mixture under most operating conditions The high speed screw alters the engine s power output and the maximum off load engine speed If the setting is too lean there is a risk of engine damage due to insufficient lubrication and overheating Standard Setting Carburetor with limiter caps e Shut off the engine e Screw down the high speed screw H and low speed screw L counterclockwise as far as stop no more than 1 4 turn Carburetor without limiter caps e Shut off the engine e Carefully screw both adjusting screws down onto their seats clockwise e Open the high speed screw H one full turn e Open the low speed screw L one full turn Adjusting Idle Speed Engine stops while idling Carry out standard setting on low speed screw e Turn the idle speed screw LA clockwise until the engine runs smoothly Erratic idling behavior poor acceleration Carry out standard setting on low speed screw Turn low speed screw L counterclockwise until the engine runs and accelerates smoothly Itis usually necessary to change the setting of the idle speed screw LA after every correction to the low speed screw L 12 Fine Tu
17. ning for Operation atHigh Altitude A slight correction of the setting may be necessary if engine power is not satisfactory when operating at high altitude e check the standard setting e Warm up the engine e Turn the high speed screw H slightly clockwise leaner On models with limiter caps turn high speed screw H 1 4 turn but no further than stop lf the setting is too lean there is a risk of engine damage due to insufficient lubrication and overhe ating Checking the Spark Plug If engine is down on power difficult to start or runs poorly at idle speed first check the spark plug e Remove the spark plug see Starting Stopping the Engine e Check electrode gap A and readjust if necessary see Specifications 0 6 0 7mm Rectify the problems which have caused fouling of spark plug To much oil in fuel mix Dirty air filter Unfavorable running conditions 2 Fit a new spark plug after about 100 operating hours or sooner if the electrodes are badly eroded To reduce the risk of arcing and fire E 13 e If the spark plug comes with a detachable adapter nut 1 screw it on firmly On all spark plugs e Always press the boot 2 firmly on to the spark plug 3 Engine Running Behavior If engine running behavior is unsatisfactory even though the air filter is clean and the carburetor properly adjusted the cause may be in the muffler Have the muffler checked for contamination coking by
18. on Continual and regular users should monitor closely the condition of their hands and fingers If any of the above symptoms appear seek medical advice Maintenance and repairs Do not attempt any maintenance or repair work not described in your owner s manual Have such work performed at your service shop only Never modify your power tool in any way as this could result in serious injury Always stop the engine and disconnect the spark plug boot before doing any maintenance or repair work or cleaning the machine Exception Carburetor and idle adjustments Always clean dust and dirt off the machine after finishing work Do not service or store your unit near any fire or flame Check fuel cap regularly for leaks Use only a approved spark plug see Specifications and make sure it is in good condition Inspect ignition lead insulation in good condition secure connection To reduce the risk of fire due to ignition outside the cylinder move the stop switch to OFF or ON before turning the engine over on the starter with the spark plug boot removed or the spark plug unscrewed Check condition of muffler periodically To avoid risk of fire and hearing loss do not operate your unit if the muffler is damaged or missing Never touch a hot muffler or burn will result Assembing the Unit Mounting the spraying attachment Adjusting the control handle Push the extension tube into the pleated hose as far as it wi
19. the engine is cold Now start the engine Fuel tank run until dry and then refueled e Pull the starter rope several times to prime the fuel line Operating Instructions During break in period A factory new machine should not be run at high revs full throttle off load for the first three tank fillings This avoids unnecessary high loads during the bresk in period As all moving parts have to bed in during the bresk in period the frictional resistanc es in the engine are greater during this period The engine develops its maximum power after about 5 to 15 tank fillings During operation After a long period of full throttle operation allow engine to run for a while at idle speed so that the heat in the engine can be dissipated by flow of cooling air This protects engine mounted components ignition carburetor from thermal overload After finishing work Storing for short period Wait for engine to cool down To avoid condensation fill the fuel tank and keep the unit in a dry place until you need it again Storing for a long period see chapter Storing the Machine Cleaning the Air Filter 11 Dirty air filers reduce engine power increase fuel consumption and make starting more difficult l there is a noticeable loss of engine power Turn choke knob to Release the screws 1 and pull off the filter cover 2 e Remove the filter from the cover and inspect it if it is dirty or damaged clean the filter or fit a
20. the unit securely Your blower is a one person unit Do not allow other persons to be near the running unit even when starting For specific starting instructions see chapter Starting in the owner s manual During opetation Warning Your blower produces toxic exhaust fumes as soon as the engine is running These gases e g carbon monoxide may be colorless and odorless To reduce the risk of serious or fatal injury from breathing toxic fumes never run the blower indoors or in poorly ventilated locations Ensure proper ventilation when working in trenches hollows or other confined areas To reduce the risk of igniting highly combustible fuel vapor and causing a fire never smoke while working with or standing next to the blower Always hold your unit firmly make sure you always have a firm and secure footing Examine the work area Do not direct the air blast towards bystanders since the air flow can blow small objects at great speed Take care in slippery conditions e On ice in wet or snow e On slopes or uneven ground Watch out for obstacles Roots ditches holes or rubbish which could cause your to trip or stumble Spraying attachment A In the interests of the general oublic and the environment it is essential to observe all general safety regulations when handling and using plant protection products and other chemicals Follow the safety precautions and instructions given by the manufacturer of the plant protect
21. us Such components are available as special accessories from your dealer Engineering improvements Philosophy is to continually improve all of its products As a result engineering changes and Tmprovements are made from time to time If the operating chatacteristics or the appearance of your machine differ from those described in this manual please contact your dealer for assistance Therefore we cannot be responsible for changes modifications or improvements not covered in this manual Safety Precautions Special safety precautions must be observed when working with the power tool It is important that you read fully understand and observe the following safety preca utions and warnings Careless or improper use of any blower may cause serious or fatal injury Have your dealer show you how to operate your blow et Observe all applicable local safety regulatio ns standards and ordinances Minors should never be allowed to use a blower Bystanders especially children and animals should not be allowed in the area where a blower is in use The operator is responsible for avoiding injury to third parties and damage to their property Do not lend or rent your blower without the owner s manual Be sure that anyone using your blower unders tands the information contained in this manual You must be fit to work with a blower Rested healthy and in good physical and mental condition O If you get tired take a break in good time
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