Tightening Torques - Kubota B1830 Workshop Manual

B1830,B2230,B2530,B3030, WSM

3. TIGHTENING TORQUES

Tightening torques of screws, bolts and nuts on the table below are especially specified.
(For general use screws, bolts and nuts: See page "5. TIGHTENING TORQUES" on page G-10.)
Checking port plug
Hex. socket head screw
Steering wheel mounting nut
Cabin mounting bolt and nut (M14)
Cabin support mounting bolt
ROPS mounting bolt
(for middle and lower frame 9/16-18UNF)
ROPS mounting bolt (M12)
Sub-frame mounting bolt for aluminum (M10)
Sub-frame mounting bolt for aluminum (M12)
Sub-frame mounting bolt for ordinary material (M12)
Sub-frame mounting bolt for ordinary material (M14)
Engine and front case mounting bolt and nut (M8)
Engine and front axle frame mounting bolt (M10)
Front case mounting bolt for aluminum (M10)
Steel plate mounting bolt (M8)
Front case rear cover mounting bolt for aluminum (M10)
Front case rear cover mounting stud bolt for aluminum
(M12)
Bi-Speed Turn clutch shifter mounting flange nut (M18)
Main frame mounting bolt and nut for aluminum (M12)
Main frame mounting bolt for ordinary material (M12)
Main gear shift section mounting bolt and nut (M10)
Main gear shift bearing holder mounting bolt (M8)
Transmission case mounting bolt and nut (M10)
HST assembly mounting bolt for aluminum (M10)
Center section mounting hex. bolt for aluminum (M10)
Check and high pressure relief valve plug
HST Neutral valve body
Hydraulic cylinder mounting bolt (M10)
Transmission case mounting bolt and nut (M10)
Rear axle case (L.H. and R.H.) mounting bolt (M10)
Rear PTO cover mounting bolt for aluminum (M10)
Differential bearing holder mounting bolt for aluminum
(M8)
Valve Plug
Neutral Valve Plug
Item N·m
30 to 44
24.5 to 29.5
20 to 40
100 to 120
100 to 110
124 to 147
90 to 95
39.3 to 45.1
62.8 to 72.5
77.5 to 90.2
126 to 150
17.7 to 20.5
48.1 to 55.8
39.3 to 44.1
23.6 to 27.4
39.3 to 44.1
62.8 to 72.5
9.8 to 11.8
62.8 to 72.5
77.5 to 90.2
39.3 to 45.1
17.7 to 20.5
39.3 to 44.1
39.3 to 44.1
39.3 to 44.1
118 to 147
58.5 to 68.6
39.3 to 44.1
39.3 to 44.1
39.3 to 44.1
39.3 to 44.1
17.7 to 20.5
118 to 147
58.5 to 68.6
3-S7
TRANSMISSION
kgf·m lbf·ft
3.0 to 4.5 22 to 33
2.5 to 3.0 18.1 to 21.7
2.1 to 4.0 15 to 29
10.2 to 12.2 73.8 to 88.5
10.2 to 11.2 73.8 to 81.1
12.6 to 15.0 91.2 to 108
9.2 to 9.7 66.4 to 70.1
4.0 to 4.6 29.0 to 33.2
6.4 to 7.4 46.3 to 53.5
7.9 to 9.2 57.2 to 66.5
12.9 to 15.3 93 to 111
1.8 to 2.1 13.1 to 15.1
4.9 to 5.7 35.5 to 41.2
4.0 to 4.5 29.0 to 32.5
2.4 to 2.8 17.4 to 20.2
4.0 to 4.5 29.0 to 32.5
6.4 to 7.4 46.3 to 53.5
1.0 to 1.2 7.3 to 8.6
6.4 to 7.4 46.3 to 53.5
7.9 to 9.2 57.2 to 66.5
4.0 to 4.6 29.0 to 32.5
1.8 to 2.1 13.1 to 15.1
4.0 to 4.5 29.0 to 32.5
4.0 to 4.5 29.0 to 32.5
4.0 to 4.5 29.0 to 32.5
12.0 to 15.0 86.8 to 108.5
6.0 to 7.0 43.4 to 50.6
4.0 to 4.5 28.9 to 32.5
4.0 to 4.5 28.9 to 32.5
4.0 to 4.5 28.9 to 32.5
4.0 to 4.5 29.0 to 32.5
1.8 to 2.1 13.1 to 15.1
12.0 to 15.0 86.8 to 108.5
6.0 to 7.0 43.4 to 50.6
9Y1210003TRS0003US0
KiSC issued 05, 2012 A