Kubota LA344, Руководство по ремонту

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3. American standard screws, bolts and nuts with UNC or UNF
threads
Grade SAE GR.5 SAE GR.8
Unit N ⋅ m kgf ⋅ m lbf ⋅ ft N ⋅ m kgf ⋅ m lbf ⋅ ft
1/4 11.7 to 15.7 1.20 to 1.60 8.63 to 11.5 16.3 to 19.7 1.67 to 2.00 12.0 to 14.6
5/16 23.1 to 27.7 2.36 to 2.82 17.0 to 20.5 33 to 39 3.4 to 3.9 25 to 28
3/8 48 to 56 4.9 to 5.7 36 to 41 61 to 73 6.3 to 7.4 45 to 53
1/2 110 to 130 11.3 to 13.2 81.2 to 95.8 150 to 178 15.3 to 18.1 111 to 131
9/16 150 to 178 15.3 to 18.1 111 to 131 217 to 260 22.2 to 26.5 160 to 191
5/8 204 to 244 20.8 to 24.8 151 to 179 299 to 357 30.5 to 36.4 221 to 263
4. Plugs and grease fittings
Shape Size
Material of opponent part
Ordinariness Aluminum
N
⋅
m kgf
⋅
m lbf
⋅
ft N
⋅
m kgf
⋅
m lbf
⋅
ft
Tapered screw
R1/8 13 to 21 1.3 to 2.2 9.4 to 15 13 to 19 1.3 to 2.0 9.4 to 14
R1/4 25 to 44 2.5 to 4.5 18 to 32 25 to 34 2.5 to 3.5 18 to 25
R3/8 49 to 88 5.0 to 9.0 37 to 65 49 to 58 5.0 to 6.0 37 to 43
R1/2 58.9 to 107 6.00 to 11.0 43.4 to 79.5 59 to 78 6.0 to 8.0 44 to 57
Straight screw G1/4 25 to 34 2.5 to 3.5 18 to 25 — — —
G3/8 62 to 82 6.3 to 8.4 46 to 60 — — —
G1/2 49 to 88 5.0 to 9.0 37 to 65 — — —
2. GENERAL
TIGHTENING TORQUES
3.American standard screws, bolts and nuts with UNC or UNF threads
2-8
LA344, LA344S
KiSC issued 02, 2017 A