Sinoboom AB520EJ - Jobsite Inspection Procedures; Unsafe Operation Hazards During Inspection; Identifying Jobsite Hazards

TECHNICAL CHARACTERISTICS
GTZZ14EJ&16EJ Maintenance Manual 23
© May 2023
Table 3-26 Hydraulic Fitting Torque-Metric(Continued)
Thread size
Installed to aluminum Installed to steel
ED, O-ring + Circlip ED, O-ring + Circlip O-ring
M27×2
120±8Nm (89±6ft-lb) 185±12Nm (136±9ft-lb) 100±7Nm (74±5ft-lb)
M30×2
140±8Nm (103±6ft-lb) 245±15Nm (181±11ft-lb) 135±8Nm (100±6ft-lb)
M33×2
180±10Nm (133±7ft-lb) 320±20Nm (236±15ft-lb) 160±10Nm (118±7ft-lb)
M42×2
240±15Nm (177±11ft-lb) 450±25Nm (332±18ft-lb) 210±13Nm (155±10ft-lb)
M48×2
280±20Nm (207±15ft-lb) 540±30Nm (398±22ft-lb) 260±15Nm (192±11ft-lb)
S (heavy-duty)
M12×1.5
33±2Nm (24±2ft-lb) 43±3Nm (32±2ft-lb) 35±2Nm (26±2ft-lb)
M14×1.5
42±3Nm (31±2ft-lb) 50±4Nm (37±3ft-lb) 45±3Nm (33±2ft-lb)
M16×1.5
55±4Nm (41±3ft-lb) 75±5Nm (55±4ft-lb) 55±4Nm (41±3ft-lb)
M18×1.5
75±5Nm (55±4ft-lb) 95±6Nm (70±4ft-lb) 70±5Nm (52±4ft-lb)
M22×1.5
90±6Nm (66±4ft-lb) 140±8Nm (103±6ft-lb) 100±10Nm (74±7ft-lb)
M27×2
120±8Nm (89±6ft-lb) 185±12Nm (136±9ft-lb) 160±10Nm (118±7ft-lb)
M30×2
140±8Nm (103±6ft-lb) 245±15Nm (181±11ft-lb) 210±13Nm (155±10ft-lb)
M33×2
180±10Nm (133±7ft-lb) 320±20Nm (236±15ft-lb) 260±15Nm (192±11ft-lb)
M42×2
240±15Nm (177±11ft-lb) 450±25Nm (332±18ft-lb) 330±20Nm (243±15ft-lb)
M48×2
280±20Nm (207±15ft-lb) 540±30Nm (398±22ft-lb) 420±25Nm (310±18ft-lb)
The hydraulic fitting with British Standard Pipe (BSP) thread must be removed or installed as per the following
torque.
Table 3-27 Hydraulic Fitting Torque-British Standard Pipe (BSP)
Thread size
Installed to aluminum Installed to steel
ED, O-ring + Circlip ED, O-ring + Circlip O-ring
L (light-duty)
G1/8A 20±1Nm (15±1ft-lb) 20±1Nm (15±1ft-lb)
-
G1/4A 35±2Nm (26±2ft-lb) 40±2Nm (30±2ft-lb)
-
G3/8A 50±3Nm (37±2ft-lb) 75±5Nm (55±2ft-lb)
-
G1/2A 75±5Nm (55±2ft-lb) 95±6Nm (70±4ft-lb)
-
G3/4A 120±8Nm (89±6ft-lb) 185±12Nm (136±9ft-lb)
-
G1A 180±10Nm (133±7ft-lb) 320±20Nm (236±15ft-lb)
-
G1-1/4A 240±15Nm (177±11ft-lb) 450±25Nm (332±18ft-lb)
-
G1-1/2A 280±20Nm (207±15ft-lb) 540±30Nm (398±22ft-lb)
-
S (heavy-duty)
G1/4A 40±3Nm (30±2ft-lb) 43±3Nm (32±2ft-lb)
-
G3/8A 55±3Nm (41±2ft-lb) 85±5Nm (63±4ft-lb)
-
G1/2A 80±5Nm (59±4ft-lb) 120±8Nm (89±6ft-lb)
-