Table V - Komatsu 830E-AC Shop Manual

TABLE IV.
TORQUE CHART FOR JIC 37° SWIVEL NUTS
WITH OR WITHOUT O-RING SEALS
SIZE TUBE SIZE
CODE (O.D.)
– 2 0.125
– 3 0.188
– 4 0.250
– 5 0.312
– 6 0.375
– 8 0.500
– 10 0.625
– 12 0.750
– 14 0.875
– 16 1.000
– 20 1.250
– 24 1.500
– 32 2.000

TABLE V.

TORQUE CHART FOR
PIPE THREAD FITTINGS
PIPE
SIZE THREAD
CODE SIZE
– 2 0.125 – 27
– 4 0.250 – 18
– 6 0.375 – 18
– 8 0.500 – 14
– 12 0.750 – 14
– 16 1.000 – 11.50
– 20 1.250 – 11.50
– 24 1.500 – 11.50
– 32 2.000 – 11.50
A05001 11/05
THREADS TORQUE
UNF-2B ft lbs
0.312 – 24 4 ±1
0.375 – 24 8 ±3
0.438 – 20 12 ±3
0.500 – 20 15 ±3
0.562 – 18 18 ±5
0.750 – 16 30 ±5
0.875 – 14 40 ±5
1.062 – 12 55 ±5
1.188 – 12 65 ±5
1.312 – 12 80 ±5
1.625 – 12 100 ±10
1.875 – 12 120 ±10
2.500 – 12 230 ±20
WITH WITHOUT
SEALANT SEALANT
ft lbs ft lbs
15 ±3 20 ±5
20 ±5 25 ±5
25 ±5 35 ±5
35 ±5 45 ±5
45 ±5 55 ±5
55 ±5 65 ±5
70 ±5 80 ±5
80 ±5 95 ±10
95 ±10 120 ±10
Standard Torque Charts and Conversion Tables
TABLE VI.
TORQUE CHART FOR
O-RING BOSS FITTINGS
SIZE TUBE SIZE THREADS
CODE (O.D.) UNF-2B
– 2 0.125 0.312 – 24
– 3 0.188 0.375 – 24
– 4 0.250 0.438 – 20
– 5 0.312 0.500 – 20
– 6 0.375 0.562 – 18
– 8 0.500 0.750 – 16
– 10 0.625 0.875 – 14
– 12 0.750 1.062 – 12
– 14 0.875 1.188 – 12
– 16 1.000 1.312 – 12
– 20 1.250 1.625 – 12
– 24 1.500 1.875 – 12
– 32 2.000 2.500 – 12
TABLE VII.
TORQUE CHART FOR
O-RING FACE SEAL FITTINGS
SIZE TUBE SIZE THREADS
CODE (O.D.) UNF-2B
– 4 0.250 0.438 – 20
– 6 0.375 0.562 – 18
– 8 0.500 0.750 – 16
– 10 0.625 0.875 – 14
– 12 0.750 1.062 – 12
– 16 1.000 1.312 – 12
– 20 1.250 1.625 – 12
– 24 1.500 1.875 – 12
TORQUE
ft lbs
4 ±2
5 ±2
8 ±3
10 ±3
13 ±3
24 ±5
32 ±5
48 ±5
54 ±5
72 ±5
80 ±5
80 ±5
96 ±10
TORQUE ft
lbs
11 ±1
18 ±2
35 ±4
51 ±5
71 ±7
98 ±6
132 ±7
165 ±15
A5-3