Takeuchi TB290 User Manual

5-9
MAINTENANCE
LIST OF TIGHTENING TORQUES
Nuts and Bolts (for ISO strength category 10.9)
Tighten nuts and bolts at the torques shown on the table below, unless otherwise specified.
•Thetighteningtorquesusedforthemountedplasticcoversarenotlistedinthetablebelow.
Consult your sales or service dealer for details. They will be damaged if over tightened.
•Whenreplacingnutsandbolts,replacethemwithnutsandboltsofthesamesizeand
standards.
•Tightennutsandboltsalternately(top,bottom,leftthenright)orin2or3timessothatthey
are evenly tightened.
SERVICE DATA
Classification
Head width (b) Size (a) x pitch
Tightening torque
General connection points
mm mm N·m ft-lb.
Coarse
10 M6 x 1.0 9.8±0.5 7.2±0.4
12, 13 M8 x 1.25 22.6±1.1 16.6±0.8
14, 17 M10 x 1.5 47.1±2.4 34.7±1.7
17, 19 M12 x 1.75 83.4±4.1 61.5±3.0
19, 22 M14 x 2.0 134.4±6.7 99.1±4.9
22, 24 M16 x 2.0 207.9±10.4 153.3±7.7
27, 30 M20 x 2.5 410.9±20.5 303.1±15.1
Fine
12, 13 M8 x 1.0 24.5±1.2 18.1±0.9
14, 17 M10 x 1.25 50±2.5 36.9±1.8
17, 19 M12 x 1.5 87.3±4.3 64.4±3.2
19, 22 M14 x 1.5 135.3±6.8 99.8±5.0
22, 24 M16 x 1.5 220.6±11 162.7±8.1
27, 30 M20 x 1.5 452.1±22.6 333.4±16.6

Takeuchi TB290 Specifications

General

Brand	Takeuchi
Model	TB290
Category	Excavators
Language	English