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R

epair

[4] DISASSEMBLY/ASSEMBLY

[4]-8. Flywheel

Note: 

• Flywheel can be easily removed without holding the piston. 

         

 

• Do not remove Spark plug as compressed air resistance has to be used for the disassembling.

         

 

• Plug cap with Plug cap spring has to be removed from Spark plug to prevent Engine from running. (

Fig. 29

)

(1) Turn M8 Flange nut in the center of Flywheel counterclockwise using Cordless impact driver with 13mm Socket bit.

       (

Fig. 33

)

(2) Install 1R364 on Flywheel then screw two M6 bolts into Flywheel as drawn in 

Fig. 34

      instead of M6x25 shoulder hex bolts. Flywheel is removed from Engine. 

Important

: Screw two M6 bolts evenly   

ASSEMBLING

(1) 

Wipe off the grease and oil from Crank shaft.

 (

Fig. 35

(2) Put Woodruff key 3 into Crank shaft, then align the key groove of Flywheel to the crank shaft with the key. (

Fig. 35

)

(3) Screw M8 Flange nut to the thread of Crank shaft by turning the nut clockwise by hand.

(4) Tighten the M8 flange nut about two seconds using Cordless impact driver with 13mm socket bit.

Fig. 33

 8

/ 1

4

Fig. 34

Fig. 35

DISASSEMBLING

1R364

M8 bolts

(the components of 1R364)

Flange nut

(M8)

Wipe off the grease and

oil from Crank shaft.  

Woodruff key 3

Crankshaft (in cylinder block assembly)

Key groove of

Flywheel’s hole

Summary of Contents for EM2650UH

Page 1: ...ess Note The standard equipment for the tool shown above may vary by country Cutting tool 1 Universal guard Protector 1 Shoulder harness with double shoulder straps 1 for EM2650UH EM2651UH Shoulder ha...

Page 2: ...ring R 24 Retaining ring pliers ST 2 for Internal ring Pressfitting Spiral bevel gear 14 the component of Cutter shaft set Bearing setting pipe 20 12 2 1R028 1R006 1R004 When Gasket is removed 1 clea...

Page 3: ...pliers to pull out the shaft Fig 4 Take the disassembling step in reverse Set Control cable in place Figs 2 and 6 Secure it on the projection of Insulator with two Nuts of Control cable Fit the hook...

Page 4: ...11 7 According to the clause of 4 2 Remove Shaft pipe complete 8 Remove Hanger and Shaft from Shaft pipe complete Fig 12 Assemble in the reverse order of disassembly Slip Hanger on Shaft pipe complete...

Page 5: ...ut to Cutter shaft as drawn in Fig 19 and give the impacts using the plastic hammer An assembled part of Cutter shaft complete Ball bearing 6001LLU is removed Refer to Fig 20 for the components 9 Remo...

Page 6: ...section 3 Remove Clutch drum from Clutch case section with Arbor press Fig 26 1 Put Clutch case on the table of Arbor press vertically then pressfit Clutch drum into Ball bearing 6201LLU with 1R286 an...

Page 7: ...plug carefully 4 Install Plug cap with Plug cap spring on Plug and connect the plug screw part to a metal part of Engine then pull Starter rope slowly The sparks can be seen when starter rope is pulle...

Page 8: ...Fig 34 instead of M6x25 shoulder hex bolts Flywheel is removed from Engine Important Screw two M6 bolts evenly ASSEMBLING 1 Wipe off the grease and oil from Crank shaft Fig 35 2 Put Woodruff key 3 int...

Page 9: ...g 40 how to make a knot of the rope 4 Wind the rope two or three turns 5 While turning Reel counterclockwise fit it into Starter case and hook Spiral spring end on the rib inside of Starter case Fig 4...

Page 10: ...rn out Fig 48 5 When Control lever is set in place make sure that Spring is put properly as drawn in Fig 49 6 Regarding three M3x8 Pan head screws with washers loosen Idling screw fully first and then...

Page 11: ...ot touch on Cylinder cover 3 Set Air cleaner elements in place The felt element is put on the bottom and the sponge element is on the front 4 Hook the tabs of Cleaner plate assembly with the holes of...

Page 12: ...to screw them 6 Set Cylinder cover in place 1 Drain the oil from Engine as much as possible so that the remaining oil is not spilled out when disassembling 2 Remove the following parts from Engine Cyl...

Page 13: ...ge them too much when fixed 4 Assemble Cylinder block assembly Degrease the matching surface of Cylinder block and Crank case Refer to Fig 61 apply ThreeBond 1216 on the Crank case side Note The layer...

Page 14: ...T M5 16 CLUTCH BOLT M6 25 HEX SOCKET HEAD BOLT M5 40 W MEC M10 P1 0 HEX SOCKET HEAD BOLT M5 18 W SW HEX SOCKET HEAD BOLT M5 18 W SW M8 HEX SOCKET HEAD BOLT M5 16 W SW HEX SOCKET HEAD BOLT M5 14 W SW H...

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