General Tightening Torque - Shindaiwa DGK25F Service Manual

Diesel engine generator
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7-2 General Tightening Torque

Intensity
4.6, 4.8, 5.6, 5.8, 6.3 (4T, 5T, 6T)
Nominal
Nominal
Designation
0.6
M3 × 0.5
{6}
1.5
M4 × 0.7
{15}
3.0
M5 × 0.8
{30}
5.1
M6 × 1.0
{52}
12
M8 × 1.25
{125}
24
M10 × 1.5
{248}
42
M12 × 1.75
{433}
68
M14 × 2.0
{690}
106
M16 × 2.0
{1076}
145
M18 × 2.5
{1480}
206
M20 × 2.5
{2099}
280
M22 × 2.5
{2855}
356
M24 × 3.0
{3628}
Material
Tightening Torque
Allowance Limit
0.5 ~ 0.8
{5 ~ 8}
1.3 ~ 1.9
{14 ~ 19}
2.6 ~ 3.8
{27 ~ 39}
4.3 ~ 6.4
{44 ~ 65}
11 ~ 16
{112 ~ 163}
21 ~ 31
{214 ~ 316}
37 ~ 54
{377 ~ 551}
60 ~ 85
{612 ~ 867}
90 ~ 130
{918 ~ 1326}
125 ~ 180
{1275 ~ 1835}
175 ~ 260
{1785 ~ 2651}
240 ~ 350
{2447 ~ 3569}
305 ~ 445
{3110 ~ 4538}
SS, S××C, SWRM, SWCH
Tightening
Strength
Nominal
N{kgf}
845
1.2
{86}
{12}
1475
2.8
{150}
{29}
2386
5.7
{243}
{58}
3377
9.6
{344}
{98}
6149
23
{627}
{239}
9744
46
{994}
{473}
14162
81
{1444}
{825}
19320
129
{1970}
{1313}
26376
201
{2690}
{2049}
32256
276
{3289}
{2819}
41160
392
{4197}
{3997}
50904
533
{5191}
{5438}
59304
678
{6047}
{6911}
NC, SNCM, SCM (hardening & tempering treated)
18
Unit:
N・m {kgf・cm}
8.8, 9.8, 10.9, 12.9 (7T)
Tightening Torque
Allowance Limit
1.0 ~ 1.5
{11 ~ 15}
2.8 ~ 4.8
{29 ~ 49}
4.8 ~ 7.1
{49 ~ 72}
8.6 ~ 14.4
{88 ~ 147}
20 ~ 30
{204 ~ 306}
40 ~ 60
{408 ~ 612}
70 ~ 100
{714 ~ 1020}
110 ~ 160
{1122 ~ 1632}
170 ~ 250
{1734 ~ 2549}
235 ~ 345
{2396 ~ 3518}
335 ~ 490
{3416 ~ 4997}
455 ~ 665
{4640 ~ 6781}
575 ~ 845
{5863 ~ 8617}
Tightening
Strength
N{kgf}
1610
{164}
2810
{287}
4544
{463}
6432
{656}
11712
{1194}
18560
{1893}
26976
{2751}
36800
{3753}
50240
{5123}
61440
{6265}
78400
{7995}
96960
{9887}
112960
{11519}

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