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epair

(1) Remove Plug cap with Socket wrench 10-16. Clean the spark terminals of the removed Plug (

Fig. 20

).

      And adjust the gap of Spark terminals to 0.6 - 0.7 mm.

DISASSEMBLING

[3] DISASSEMBLY/ASSEMBLY

[3] -6. Ignition

Spark Plug

Ignition Coil

(2) Mount Plug cap on the Plug and contact the Plug’s thread portion to the metal portion of engine, and then, 

      pull Starter rope gently. The plug is in order if its terminals have sparking constantly.

      In case of no sparking at the terminals, return to “MAINTENANCE in 

[

3]-6. Ignition” and replace the Plug with

      the new one if the plug is out of order. 

(1) Remove Blower housing, Cylinder cover, Muffler cover and Ignition coil.

      Note; Do not lose Spacer for insulating Cylinder’s heat when removing Cylinder cover.

(2) Remove Rubber from Insulator (

Fig. 21

).

Fig. 20

Remove the remaining Fuel and

Carbon deposits stuck in the gap

with wire brush and air duster.

 0.6 - 0.7 mm

Adjust the gap between 

Spark terminals to 0.7 mm 

by inserting 0.7 mm

Thickness gauge of 1R366. 

0.7 mm Thickness 

gauge of 1R366 

Fig. 21

Rubber

MAINTENANCE

Summary of Contents for EH5000W

Page 1: ...8 25 5 8 In compliance with main exhaust emission regulations CARB Tier 3 EPA Phase 2 EU Stage 2 Connecting rod drive Blade cover 1 Socket wrench 1 Hex wrench for M5 1 Models EH5000W EH6000W and EH750...

Page 2: ...to the designated fastening torque Check the movement sound and alignment of the main parts just after assembled Replace the removed gasket with the new one Code No Description Used for 1R024 Press t...

Page 3: ...bolts Fig 3 1 Assemble engine section to the Gear housing Note 1 Do not to pinch the Lead wires between Engine section and Gear housing Note 2 Make sure to fasten the terminal of Grounding lead wire w...

Page 4: ...Clutch Fig 4 1 Drive the Clutch to Crankshaft counterclockwise by hand so that the OFF mark can face the upper position Fig 5 2 Set 1R371 and fasten it counterclockwise by Impact driver with 19mm Hex...

Page 5: ...et head bolts for fastening Gear case cover to Gear case Spur gear 9 Lock Spur gear 9 with 1R374 for disassembling Clutch drum located on the reverse side of Spur gear 9 Note Hex socket head bolts rem...

Page 6: ...Spur gear 9 is disassembled Shaft of Spur gear 9 Spur gear 9 Gear case Assemble Spur gear 9 Fig 9 3 4 Spur Gear 9 3 DISASSEMBLY ASSEMBLY 3 3 Clutch Drum 1 Lock Spur gear 9 with 1R374 Fig 6 2 Drive Clu...

Page 7: ...LY ASSEMBLY 3 5 Shear Blade Remove Holder and Shear blade assembly by unscrewing two Hex socket head bolts Fig 10 Note 2 pcs of Sleeve 5 are mounted under Plate Do not lose them Fig 12 Gear case Holde...

Page 8: ...ully while locking Hex socket button head bolt with Hex wrench Fig 16 4 Check the clearance by inserting 1R366 into the gaps of all Hex socket button head bolts Fig 17 ASSEMBLING 3 DISASSEMBLY ASSEMBL...

Page 9: ...cap Spark plug Circuit tester Grounding terminal of Ignition coil If the Circuit tester shows 2 0 0 5 k the connection is in order Fig 18 Fig 19 Ignition cable Plug cap spring Plug cap 3 Check Plug ca...

Page 10: ...king constantly In case of no sparking at the terminals return to MAINTENANCE in 3 6 Ignition and replace the Plug with the new one if the plug is out of order 1 Remove Blower housing Cylinder cover M...

Page 11: ...ithout interference by Ignition coil Note Make sure to fix Ignition coil through the Spacer High voltage cable and Lead wire must be fixed into Rubber Locate high voltage cable to Cylinder side 3 Fix...

Page 12: ...istant in Cylinder 1 Attach 10 mm Hex socket bit to Impact driver Turn M6 Hex nut counterclockwise with a Impact driver Clutch is removed by turning clockwise Fig 23 2 Set 1R364 to Fly wheel to Fly wh...

Page 13: ...clockwise by hand and tighten it with Impact driver with 10 mm Socket bit clockwise for 2 second 1 Remove Recoil starter assembly from Blower housing Note Record the position and the pulling directio...

Page 14: ...er knob while holding the Reel with your finger and pull the slack Rope inside Hook the Rope in the notch and turn the Reel counterclockwise while braking the Reel and holding the Rope Turn Reel until...

Page 15: ...e and hook it in the notch of Reel 4 Fit the projection of Reel to the hook of Spiral spring while turning Reel clockwise Note Precisely fit the projection of Reel to the Spiral spring s hook by repea...

Page 16: ...Remove Diaphragm cover Metaling diaphragm Gasket set by unscrewing four Pan head screws Fig 33 Note Carefully separate Gasket from Metaling diaphragm in case they stick each other as they are fragile...

Page 17: ...with gasoline Fig 35 11 Make sure that Compression spring fits to the protrusion of Control lever when assembled Fig 36R Countersunk head screw Inlet needle Inlet needle in normal condition Control le...

Page 18: ...ASSEMBLING AIR TIGHT TEST Fig 37 Nipple for fuel intake 1R127 1 Connect 1R127 to Carburetor 2 Push up the air pressure until the pressure gauge indicates 0 05 Mpa 3 The Carburetor is in order if the...

Page 19: ...Cable bracket Gasket Air cleaner plate 2 Fit the tab of Air cleaner plate with the square hole of Air cleaner cover and fasten Air cleaner cover with a screw Air cleaner cover Plate Assemble plate to...

Page 20: ...uit tester for checking Stop switch Fig 41 Fig 41 MAINTENANCE Bullet terminal Connecting terminal Stop switch is in order if it works as followings Circuit tester shows no connectivity when Engine ON...

Page 21: ...Tube complete equipped with black Tube and clear Tube to Fuel tank The black Tube is for Fuel inlet Insert Fuel filter to the black one with Hose clamp And put Fuel filter into the Tank 3 Connect the...

Page 22: ...ad screws Fig 44 4 Mount Inner muffler cover Fig 43 5 Fix the assembled muffler section to Engine with Hex socket head bolts Fig 43 Note Apply Loctite 242 or ThreeBond 1342 to the thread of Hex socket...

Page 23: ...rankcase assembly and remove Piston Fig 45 1 Remove Piston clips from the both side of Piston with the awl 2 Remove Piston pin by pushing it with 1R171 Now Piston can be removed from Crankshaft Fig 45...

Page 24: ...ng its square hole to that of Cylinder Fig 48 The first knock pin in the lower groove Note 1 Carefully open Piston ring when fixed so as not to break it The second knock pin in the upper groove 1 Moun...

Page 25: ...3 5 Recoil starter Blower housing 4 5x14 Tapping Screw 2 5 3 DISASSEMBLY ASSEMBLY 3 12 Engine Block ASSEMBLIG Insert Cylinder over Piston while pressing Piston rings toward the Piston s center 2 Tight...

Page 26: ...es sheath Black Switch Fix Lead wires with four Lead wire holders Connect it to Gear case assembly with screw Connect to bullet terminal of Ignition coil Terminal to grounding Bullet terminal Fasten t...

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