Daikin GYEQ20AN, Руководство по обслуживанию

Страница: 239 / 245

SiAUY361411EA Servicing Data
Maintenance / Service Data 228
2.4 Tightening Torque Table
Table 7.5/ Tightening torque table
[Engine - primary parts]
Note)For parts whose "Lubricating oil applied" field contains "YES," new engine lubricating oil
must be applied to the thread and bearing surface.
[Engine - general standard bolts and nuts (with no need to apply lubricating oil)]
Portion
Screw diameter
and pitch
(mm)
Width across face
(mm)
Lubricating oil
applied
(YES or NO)
Tightening torque
(N·m)
Head bolts
3GPH88
3GPJ88
4GPH88
M10×1.25 14 YES 85 to 91
Flywheel mounting bolts All models M10×1.25 17 YES 80 to 86
Spark plug All models M14×1.25 16 NO 24 to 34
Exhaust gas cooler drain plug
3GPH88
3GPJ88
4GPH88
M8×1.25 12 NO 22 to 28
Exhaust temperature sensor All models M12×1.25 14 NO 34 to 44
Water temperature sensor All models M12×1.5 19 NO 9.8 to 11.8
Oil pressure switch All models PT1/8 — NO 18 to 22
Lubricating oil filter All models M20×1.50 — YES 20 to 24
Lubricating oil joints
(sub-tank communicating tube)
All models M27×2.0 — NO 88 to 108
Portion
Screw diameter and pitch
(mm)
Tightening torque
(N·m)
Remarks
Hexagon head bolt (7T) nut
M6×1 10 to 12
• If the part is tightened to an aluminum part,
use 80% of the torque value specified at left.
• For 4T nuts and lock nuts, use 60% of the
torque value specified at left.
M8×1.25 23 to 28
M10×1.5 44 to 54
M12×1.75 78 to 98
PT plug
1/8 10
—
1/4 20
3/8 29
1/2 59
Pipe joint bolt
M8 13 to 17
—
M12 25 to 34
M14 39 to 49
M16 49 to 59