KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
171
APPENDIX
4
Fasteners tightening torque values for main assemblies
No.
Point of fastening
Tightening torque,
kg
m
1.
Bolts fastening brackets to the engine
7...9
2.
Bolts fastening engine spacers to the frame
15
3.
Bolts fastening semi-rigid coupling to the engine flywheel
3
4.
Nuts fastening the housing of pump drive reducer to the engine
6
5.
Bolts fastening the gearbox AKSS
10
6.
Bolts fastening GB case to AKSS
25
7.
Bolts fastening the intermediate bearing holders
3
8.
Drive axle clamp nuts
50
9.
Wheel fastening nuts
14…20
10.
Hoses of the hydraulic system of steering control and operating
equipment:
– hoses with internal diameter DN 20
10
+1
– hoses with internal diameter DN 16
7.4
+0.74
– hoses with internal diameter DN 12
4.5
+0.45
– hoses with internal diameter DN 10
3.8
+0.38
– hoses with internal diameter DN 8
2
+0.2
11.
Bolts fastening
the “pinion carrier – hub” butt-joint
28
12.
Bolts fastening casings to the main gear case
28
13.
Bolts fastening cardans from the engine to GB, from GB to
PTO
8…10
14.
Bolts fastening cardans from GB to axles
10...12
