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1-3 Torque limits

Descriptions

Size

kgf•cm

in•lbf

Starter

Pawl carrier

M 8

80 - 100

70 - 85

system

Pawl carrier nut

M 8

160 - 200

140 - 175

Starter center post

M 5 *

25 - 35

22 - 30

Starter case

M 4

35 - 50

30 - 45

Ignition

Magneto rotor (Flywheel)

M10

350 - 400

300 - 350

system

Ignition coil (CDI module)

M 5

30 - 50

26 - 45

Fan cover

M 5

70 - 110

60 - 95

Spark plug

M14

130 - 170

110 - 150

Fuel

Carburetor insulator

M 5

40 - 55

35 - 50

system

Carburetor (SRM-3805)

M 5

30 - 45

25 - 40

Carburetor

(SRM-4605)

M 5

35 - 45

30 - 40

Throttle cable nut

M 6

25 - 35

22 - 30

Fuel tank bracket , Stand

M 5

30 - 45

26 - 40

Clutch

Clutch shoe

M 8 *

160 - 200

140 - 175

Clutch drum case

M 5

70 - 100

60 - 95

Engine

Crankcase

M 5

70 - 110

60 - 95

Cylinder

M 5

70 - 110

60 - 95

Cylinder cover

M 5

30 - 45

26 - 40

Top guard

M 5

30 - 45

26 - 40

Muffler

M 5

60 - 100

52 - 85

Muffler bracket

M 5

30 - 45

25 - 40

Muffler cover

M 4

14 - 28

12 - 24

Muffler cover

(with starter case)

M 4

35 - 50

30 - 45

Others

Blade fastening nut

LM10

280 - 320

245 - 280

Regular bolt, nut, and screw

M 3

6 - 10

5 - 9

M 4

15 - 25

13 - 22

M 5

25 - 45

22 - 40

M 6

45 - 75

40 - 65

M 8

110 - 150

95 - 130

M10

210 - 300

180 - 270

LM: Left-hand thread.

* Apply thread locking sealant. (See below.)

Material

Location

Remarks

Grease

Gear case

Rewind spring

Lithium based grease

Starter center post

Thread locking sealant

Starter center post screw

Loctite #222, ThreeBond #1342, or equivalent

Clutch shoe

1-4 Special repairing materials

4

SRM-3805
SRM-4605 

SERVICE INFORMATION

Summary of Contents for SRM-4605

Page 1: ...on available at the time of publication For further information to service these models please refer to ECHO SERVICE MANUAL Ord No 402 21 TRIMMER BRUSHCUTTER SRM 3805 SRM 4605 Reference No 10 37A 00 I...

Page 2: ...h primer without primer Model WALBRO WT 297 WALBRO WT 120B Venturi size Throttle bore mm in 11 11 15 85 0 437 0 624 12 7 15 85 1 2 0 624 Ignition Type Capacitor discharge ignition system in a single i...

Page 3: ...0 4 0 012 0 016 Ignition timing BTDC 25 Carburetor Type Diaphragm horizontal draught Supplier Walbro WT 297 Walbro WT 120B Venturi Size mm in 11 11 0 437 12 7 1 2 Throttle Bore mm in 15 85 0 624 15 85...

Page 4: ...lutch drum case M 5 70 100 60 95 Engine Crankcase M 5 70 110 60 95 Cylinder M 5 70 110 60 95 Cylinder cover M 5 30 45 26 40 Top guard M 5 30 45 26 40 Muffler M 5 60 100 52 85 Muffler bracket M 5 30 45...

Page 5: ...06 2nd Max 0 1 0 004 0 1 0 004 F Piston pin outer diameter Min 9 98 0 3929 9 98 0 3929 G Piston ring width Min 1 15 0 045 1 15 0 045 H Piston ring end gap Max 0 5 0 02 0 5 0 02 K Connecting rod small...

Page 6: ...alling drive gear assembly into gear case 11 897714 24330 Oil seal tool Installing drive gear ball bearings Installing PTO shaft ball bearing Installing crankcase oil seal starter side 12 897718 02830...

Page 7: ...2 SERVICE HINT 2 1 Gear case construction 7 SERVICE INFORMATION SRM 3805 SRM 4605 Drive gear Driven gear PTO shaft Nut Adapter plate L Gear case Adapter plate U Cover plate Dust seal plate O ring...

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