Komatsu 530M Operation & Maintenance Manual page 18

OM1006.2
Standard Charts and Tables
TABLE XIII
TORQUE CHART FOR JIC 37° SWIVEL NUTS
WITH OR WITHOUT O-RING SEAL
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 XIV
TORQUE CHART FOR
PIPE THREAD FITTINGS
SIZE PIPE 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
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
TABLE XV
TORQUE CHART FOR
O-RING BOSS FITTINGS
SIZE TUBE SIZE THREADS
CODE (O.D.) UNF -- 2B
-- 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 XVI
TORQUE CHART FOR
O-RING FACE SEAL FITTINGS
SIZE TUBE SIZE THREADS
CODE (O.D.) UNF -- 2B
-- 4 0.250
-- 6 0.375
-- 8 0.500
-- 10 0.625
-- 12 0.750
-- 16 1.000
-- 20 1.250
-- 24 1.500
Introduction - Section 1
Page 1-15
TORQUE
FT. LBS.
±
0.312--24 4 2
±
0.375--24 5 2
±
0.438--20 8 3
±
0.500--20 10 3
±
0.562--18 13 3
±
0.750--16 24 5
±
0.875--14 32 5
±
1.062--12 48 5
±
1.188--12 54 5
±
1.312--12 72 5
±
1.625--12 80 5
±
1.875--12 80 5
±
2.500--12 96 10
TORQUE
FT. LBS.
±
0.438--20 11 1
±
0.562--18 18 2
±
0.750--16 35 4
±
0.875--14 51 5
±
1.062--12 71 7
±
1.312--12 98 6
±
1.625--12 132 7
±
1.875--12 165 15