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Models EB7650TH/ EB7650THG/ EB7650WH are Petrol blowers equipped with 
75.6cm³ 4-stroke engine in compliance with strict exhaust emission regulations. 
These products are ideal for professional use with the following features: 
  • Higher air speed and larger air volume than our current model BBX7600 
   for excellent operation efficiency 
  • 4 damper springs mounted between the engine and the backpack frame 
   that reduce vibration on the back of operator even during long hours 
   of operation to reduce operator stress and fatigue 
  • Cushioning back padding and shoulder straps well-ventilated for effective 
   sweat evaporation to provide more comfort 
Model EB7650TH features tube-mounted throttle while EB7650WH features 
hip-mounted throttle. Model EB7650THG is E25 compatible.

 
 
 
 
 
 
 
 

Dimensions: mm (“) 

Length (L) 

332 (13-1/8) 

Width 1 (W1) 

460 (18-1/8) 

Width 2 (W2) 

510 (20) 

Height (H) 

480 (18-7/8) 

 
 

Model 

Specification 

EB7650TH/ EB7650THG 

EB7650WH 

Engine 

Type 

4-stroke, single-cylinder, air-cooled 

(Makita EH075F1) 

Displacement: cm³ (cu.in) 

75.6 (4.6) 

Fuel 

Straight unleaded gasoline*1 (E0 to E10*2) 

Max output: kW (PS) 

2.7 (3.7) [at 7,000 minˉ¹] 

Max torque: N.m 

4.4 [at 5,000 minˉ¹] 

Speed: 

minˉ¹ = rpm 

at max output power 

7,100 

at no load 

2,800 

Engine oil 

SAE10W-30, 

Class SF or higher of API Classification 

(4-stroke engine oil for automobile) 

Carburetor 

Diaphragm 

Starting 
system 

Easy start (Spring-assisted recoil starter) 

No 

Decompression valve 

Yes 

Spark plug 

NGK CMR6A 

Primer pump 

Yes 

Fuel tank capacity: L (US oz) 

1.9 (64) 

Throttle location 

Tube-mounted 

Hip-mounted 

Max air 
speed: 
m/s*3 

Long pipe 90 

End nozzle 90-60 

89 (200) 

End nozzle 90-70 

81 (181) 

Short pipe 90 

End nozzle 90-60 

90 (201) 

End nozzle 90-70 

81 (182) 

Max air 
volume: 
m³/min*3 

Long pipe 90 

End nozzle 90-60 

17 (607) 

End nozzle 90-70 

19 (682) 

Short pipe 90 

End nozzle 90-60 

17 (611) 

End nozzle 90-70 

19 (682) 

Dry weight: kg (lbs) 

10.8 (23.8) 

11.0 (24.3) 

*1

 "Straight" means "not mixed with engine oil".   

*2

 EB7650THG: E25   

*3

 Actual measured value

 

Oil bottle set

*4

 

Flexible pipe 

End nozzle 90-60 

  Long pipe 90 

Box wrench 16 

Swivel pipe 

End nozzle 90-70 

Driver 

 

Hose clamp 

Flat nozzle 90

*4 

With engine oil contained for some countries. 

Note:

 The standard equipment may vary by country or model variation.

 

 

Short pipe 90

 

Hip belt set

 

ECHNICAL INFORMATION 

July 2015 

OFFICIAL USE 

for ASC & Sales Shop 

P 1 /35 

PRODUCT 

EB7650TH/ EB7650THG/ EB7650WH

 

Petrol Blower

 

C

ONCEPT AND MAIN APPLICATIONS 

Model No.

 

Description

 

S

pecification

 

S

tandard equipment

 

O

ptional accessories

 

EB7650TH/   
EB7650THG

 

EB7650WH

 

Содержание EB7650TH

Страница 1: ...ed min rpm at max output power 7 100 at no load 2 800 Engine oil SAE10W 30 Class SF or higher ofAPIClassification 4 strokeengine oil forautomobile Carburetor Diaphragm Starting system Easystart Spring...

Страница 2: ...SSARYREPAIRINGTOOLS Code No Description Use for 1R005 Retaining ring pliers RT 2N Attaching removing Cotter used together with 1R389 1R070 Tachometer Engine speed check 1R181 Ignition checker Diagnosi...

Страница 3: ...g diagrams when assembling the parts ApplyMakita grease NNo 2 tothe sealing lips ofOilseals and outer circumference ofOrings 17 and 20 oftheanti icing valve portion indicated by ApplyMakita grease NNo...

Страница 4: ...repareboxes so that you can store the parts in groups when disassembling the product Handle theremoved parts carefullyand clean and wash themproperly Ifa boltorscrewcannot beloosened do not applyexces...

Страница 5: ...ontrolcable e fromCarburetor f Right photo ofFig 5 and then remove the integrated Controlcable e and Lead unit fromFront volute case h In the case of EB7650WH remove Control cable e fromClip g Centerp...

Страница 6: ...tiondamper counterclockwise and then remove them Fig 6 9 Looseneleven5x20Tapping screws and then remove Rear volute case i Remove Elbow j together with it Fig 7 10 Loosen the four M6x25 Hexsocket head...

Страница 7: ...as shown in Fig 9 so that you can rotate Elbowfromthe front ofthe machine and then secure Rear volutecase b withelevenTapping screws 5 Fig 7 4 Attach Frame then connect Carburetorto Controlcable then...

Страница 8: ...artsbyreversingthe disassemblyprocedure shown in Fig 1 while taking care not tomix themup Twist the bands Band complete R by90 degreesclockwise and Band complete Lby90 degreescounterclockwise viewed f...

Страница 9: ...h Spiral tube6 100 then cover the tube ofBreather e with the coil spring 8 and then slideTube guard20 102 f all the way to cover thetubes Fueltank Coilspring8 e Slide f alltheway tocoverthetubes Spira...

Страница 10: ...oveThrottlelink e disconnect the connectorofSwitch unit and thenreplace Switch unit 5 Loosen M4x18Hex sockethead boltand removeThrottle leverB f Fig 16 Assembly AttachThrottlelink e at theposition sho...

Страница 11: ...connector c ofStop switch wire and then pull out Control cable b Lead unit and Corrugated tube d Fig 18 4 Loosen M6x25Hex sockethead boltand then removeArmbase e 5 DisassembleArmbase e andArmbase hold...

Страница 12: ...intoArmbase g while aligning the flats ofthe two parts Fig 21 4 Pass Control cable e Lead unit a and Corrugated tube through at theposition indicated in theright photo ofFig 18 5 InsertArmrubbers f th...

Страница 13: ...d then remove Muffler gasket b and Exhaust port spacer c Fig 22 3 Refer to 3 6 Carburetor page 18 and thenremove Carburetor 4 Remove Camgear cover d Do notremove Pulley e oryou will have to turn theen...

Страница 14: ...ove two M5x25 Hex socket head bolts securing Insulator with 1R229 At this time do notloosen the lower hex socket head bolt Fig 25 9 Remove Plug cap m and then disconnect thetwo tubes n with 1R311 Fig...

Страница 15: ...move Cotter v with a bitor thelike u magnetized with 1R288 Fig 29 13 Remove Intake valve x andExhaust valve y to replaceorclean them Fig 30 s t v 1R389 1R005 u DisassemblyofRockerarmis prohibited Repl...

Страница 16: ...e alignment mark on Camgear b1 and thatofCrankcase b2 then assemble themand then attach Camgear cover Fig 32 Pleasenotethat the engine speed will not increase ifeven oneofthe gear teethisnot aligned I...

Страница 17: ...gap and then fullytighten Confirmthat a 0 15 mmleafofthe feeler gauge cannot be inserted 6 ApplyThreeBond 1342 or Loctite 243 to threeM6x18 Hex socket head boltsfor securing Muffler and five M6x35Soc...

Страница 18: ...rburetor can bedisassembled as shown in Fig 40 A Adjust screw B Cable adjust nut M6 C Throttle assembly D Carburetor E Conical compression spring 5 9 F Pump gasket G Inlet screen H Metering diaphragm...

Страница 19: ...at idling and full throttle and thatthe specified rotation speeds referto 3 10 Completion Inspection CheckPoints page28 areachieved after assembly 3 Refer to Fig 42 for theposition to connect each tu...

Страница 20: ...bes are notpushing against Carburetor gasket large b 5 Connect the tubeswith Hosejoint d oriented as shown in Fig 44 45 10 Thetubesshould notpushagainst b b To Rockerarmchamber 1 0 mmorless Thegap sho...

Страница 21: ...b is screwed onto Crankshaft so as to prevent deformation ofthe external male thread Woodruffkey4 will come offso take care notto lose it Fig 46 3 8 Ignition System Use 1R181 forIgnition coildiagnosis...

Страница 22: ...arPortion page13 and then separate theengine sectionfromthe blower section 4 Remove Engine cover and Fuel tank and then remove Ignition coil Assembly 1 Align the positions ofthe magnet ofFlywheel a an...

Страница 23: ...e bolts in the ordershown in Fig 50 3 Remove three M6x18 Hex socket head bolts a and then remove Muffler gasket b and Exhaust port spacer c Fig 51 4 Loosen two M5x25 Hex socket head boltsand one M5x14...

Страница 24: ...ig 54 Crankcase h is stuck to Cylinderblock g with liquid gasket Inserta slotted screwdriver into the fourslots in the mating surface of Cylinder block and Crankcase and turn it to prythemapart Please...

Страница 25: ...profileand has no top and bottomas both sides are the same Second ring c hasataper faceprofile with larger bottomthan top and so orientation matters Attach a newsecond ring so that the white paint d m...

Страница 26: ...e and be careful not to allowit to fall offin assembling Crankcase Fig 51 5 Refer to 3 4 Engine Section RockerArm Valve Portion andCamgearPortion page13 and then assemble Camgear portion and attach Ca...

Страница 27: ...o ofVolute case as shown in Fig 62 12 Connect Controlcable to Carburetor and connect the lead wire ofStop switch to Ignition coil 13 Insert Controlcable corrugated tubeand thebullet terminal in the s...

Страница 28: ...oil starter 3 Does the engine speed increase smoothlyafter idling forabout 1 minute Theengine speed should be2800 to 3000 min 1 at idlingand 7000 to 7200 min 1at maximumspeed 4 Check that the rotorcon...

Страница 29: ...Switch unit Earth terminal Black Black Black Black Black White Black Lead unit Lead unit Ignition coil Switch unit Earth terminal Black Black Black Black Black Black Lead unit Lead unit 1 1A EB7650WH...

Страница 30: ...it in the grooveofFront volute case EB7650TH Earth terminal Control cable Lead unit Corrugated tube Earth terminal M5 10 Hex nut Hook the earth terminal ofLead unit in the grooveofM5 10 Hex nut Wiring...

Страница 31: ...ead wire holders Switch unit Stop switch Place Connectors and theslack of lead wires oflead unit in this space Fix the lead wires ofLead unit in this Lead wire holder Place the slackofthe lead wires o...

Страница 32: ...Fig D 5 Specifications without Line filter Forcountriesand areas where noise suppression is notrequired byregulation Earth terminal Lead unit Corrugated tube Control cable Earth terminal M5 10 Hex nut...

Страница 33: ...n Line filter Allowthelead wireof Leadunit to have some slack whenroutingit here PlaceLine filter andthebullet terminals in thisspace Earth terminal Lead unit Corrugated tube Control cable Earth termi...

Страница 34: ...terminal 1 must be routed between RibAand the wall ofArmcover Switch terminal 1 RibA Fix the lead wires of Lead unit Stop switch in these lead wire holders Place Connectors between Rib B and Rib C Fix...

Страница 35: ...ilcase Crankcase 4 5 6 5 M5 25 HexsocketheadboltW SW 5 5 Cylinderhead Cylinder 10 0 14 0 M6 35 Hexsocketheadbolt 5 6 Flywheel 35 0 40 0 M10 Nut 1 7 Ignitioncoil Crankcase 2 3 2 7 M4 20 Hexsocketheadbo...

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