Tightening Torque; Confirmation After Reassembly - Hitachi CS 27EPAP(S) Service Manual

Location
Crank case ass'y
Cylinder
Scavenging cover
ass'y
Carburetor ass'y
Carburetor insulator
plate ass'y
Clutch ass'y
Ignition coil
Magneto rotor
-
-
Fan case ass'y
Cylinder cover
Muffler
Muffler cover
Recoil starter ass'y
Tank ass'y
Handle(A), (B)
Loop handle ass'y
Main pipe
Gear case ass'y
-
Guide plate
Sprocket comp., 3/8
Oil tank cover
*After testing engine operation, retighten this bolt with a tightening torque of 10.0 to 12.0 N•m {102 to 122
kgf•cm}.
NOTE: Tighten the Banjo, Oil Pump [216]<216> and the Chain Bar Tightening Bolt [222]<222> until
they come into contact with each other.
• Recheck the tightening of all screws, bolts and nuts.
• Check the moving parts for any abnormality and the rotating parts for abnormal sounds.
• Check the engine for gas leaks.
• Check that the Stop Switch [106]<106> operates normally.

Tightening torque

Part name
Hex. Hole Bolt 5 x 20S [11]<11>
Hex. Hole Bolt 5 x 20S [11]<11>
Hex. Hole Bolt 4 x 12WS [15]<15>
Plus Screw 5 x 60WS [50]<50>
Seal Lock Hex. Socket Bolt (W/Washers)
M5 [44]<44>
Step Bolt [120]<120>
Hex. Hole Bolt 4 x 18WS [127]<127>
Hex. Nut M8 [125]<125>
Spark Plug [12]<12>
Starter Pulley Ass'y [67]<66>
Seal Lock Hex. Socket Hd. Bolt M5 x 30
[9]<9>
Screw 4 x 22/PS [3]<3>
Seal Lock Hex. Socket Hd. Bolt M5 x 30
[9]<9>
Hex. Hole Bolt 6 x 65 [6]
Hex. Hole Bolt M6 x 55 <6>
Screw 5 x 16/PS [5]<5>
Screw 4 x 22/PS [3]<3>
Flange Bolt [145]<145>
Bolt (W/Flange) L27.8 [148]<148>
Tapping Screw D4 [101]<101>
Tapping Screw 5 x 20[165]<165>
Hex. Hole Bolt M5 x 12/S [111]<111>
Hex. Hole Bolt M5 x 25/S [112]<112>
Hex. Hole Bolt 5 x 22/S [190]<190>
Hex. Hole Bolt 5 x 10 [198]<198>
Screw 6 x 8 [189]<189>
Chain Bar Knock Pin [224]<224>
Chain Bar Clamp Nut [227]<227>
Small Screw 4 x 12WS [209]<209>

Confirmation after reassembly

Thread
dia.
5 mm
5 mm
4 mm
5 mm
5 mm
6 mm
4 mm
8 mm
14 mm
8 mm
5 mm
4 mm
5 mm
6 mm
5 mm
4 mm
5 mm
5 mm
4 mm
5 mm
5 mm
5 mm
5 mm
5 mm
6 mm
6 mm
8 mm
4 mm
-18-
Tightening torque
(N•m {kgf•cm})
4.0 to 8.0 {41 to 81}
6.0 to 9.0 {62 to 91}
2.5 to 4.5 {26 to 45}
4.0 to 6.0 {41 to 61}
3.0 to 4.0 {31 to 40}
7.0 to 12.0 {72 to 122}
2.7 to 4.1 {28 to 42}
15.0 to 20.0 {154 to 204}
10.0 to 15.0 {103 to 153}
9.0 to 12.0 {91 to 122}
3.5 to 4.5 {36 to 45}
2.5 to 3.5 {26 to 35}
3.5 to 4.5 {36 to 45}
*5.5 to 9.0 {56 to 91}
2.0 to 3.0 {21 to 30}
2.5 to 3.5 {26 to 35}
4.0 to 5.0 {41 to 51}
4.0 to 5.0 {41 to 51}
1.5 to 2.4 {16 to 23}
2.4 to 3.4 {25 to 35}
3.5 to 4.5 {36 to 45}
3.5 to 4.5 {36 to 45}
3.5 to 4.5 {36 to 45}
3.5 to 4.5 {36 to 45}
6.0 to 7.0 {62 to 71}
7.0 to 8.0 {72 to 81}
10.0 to 12.0 {103 to 122}
1.5 to 1.8 {16 to 18}