Sinoboom AB18EJ - Hydraulic Hose and Fitting; Specifications; Hydraulic Hose Torque; Hydraulic Fitting Torque

SPECIFICATIONS
AB18EJ&18HJ Maintenance Manual 2-9 © Oct 2020
HYDRAULIC HOSE AND
FITTING SPECIFICATIONS
HYDRAULIC HOSE TORQUE
Hydraulic hoses must be torqued to the following specifications.
Table 2-8 Hydraulic Hose Torque
METRIC THREAD
L (LIGHT-DUTY) S (HEAVY-DUTY)
M12 × 1.5
19 ± 1 Nm (14 ± 1 ft-lb)
M14 × 1.5
26 ± 2 Nm (19 ± 2 ft-lb)
M16 × 1.5
40 ± 3 Nm (30 ± 2 ft-lb)
M18 × 1.5
50 ± 4 Nm (37 ± 3 ft-lb)
M20 × 1.5 -
60 ± 4 Nm (44 ± 3 ft-lb)
M22 × 1.5
70 ± 5 Nm (52 ± 4 ft-lb)
-
M24× 1.5 -
85 ± 6 Nm (63 ± 4 ft-lb)
M26 × 1.5
90 ± 6 Nm (66 ± 4 ft-lb)
-
M30 × 2
120 ± 8 Nm (89 ± 6 ft-lb) 140 ± 10 Nm (103 ± 7 ft-lb)
M36 × 2
150 ± 12 Nm (111 ± 9 ft-lb) 180 ± 12 Nm (133 ± 9 ft-lb)
M42 × 2 -
260 ± 16 Nm (192 ± 12 ft-lb)
M45 × 2
240 ± 15 Nm (177 ± 11 ft-lb)
-
M52 × 2
250 ± 16 Nm (184 ± 12 ft-lb) 280 ± 18 Nm(207 ± 13 ft-lb )
HYDRAULIC FITTING TORQUE
Hydraulic fittings with metric thread must be torqued to the following specifications.
Table 2-9 Hydraulic Fitting Torque – Metric
THREAD SIZE
INSTALLED INTO
ALUMINUM
INSTALLED INTO STEEL
ED, O-RING + CIRCLIP ED, O-RING + CIRCLIP
O-RING
L (LIGHT-DUTY)
M10×1
18 ± 1 Nm(13 ± 1 ft-lb ) 20 ± 2 Nm (15 ± 2 ft-lb) 18 ± 1 Nm (13 ± 1 ft-lb)
M12×1.5
30 ± 2 Nm (22 ± 2 ft-lb) 35 ± 2 Nm (26 ± 2 ft-lb) 30 ± 2 Nm (22 ± 2 ft-lb )
M14×1.5
42 ± 3 Nm (31 ± 2 ft-lb) 48 ± 4 Nm (35 ± 3 ft-lb ) 35 ± 2 Nm (26 ± 2 ft-lb)
M16×1.5
55 ± 4 Nm (41 ± 3 ft-lb) 60 ± 4 Nm (44 ± 3 ft-lb) 40 ± 3 Nm (30 ± 3 ft-lb)
M18×1.5
75 ± 5 Nm (55 ± 4 ft-lb) 75 ± 5 Nm (55 ± 4 ft-lb) 45 ± 3 Nm (33 ± 4 ft-lb)