Haulotte HT23RTJ O, Maintenance Book

Page: 138 / 534

138 4001055250 E 10.21 USA / GB
Hydraulics
Hoses inspection - Replacement
MS0020
4 - Hoses Reassembly
For safety reasons, respect imperatively the following conditions of reassembly :
• Using the reference marks carried out previously; carry out the courses of hoses.
• During the fixing of the hoses, respect the tightening torques below.
Tightening torque table
Once all the hoses are correctly tight :
• Put the machine in operational configuration
• Carry out some movements implementing the hoses concerned in order to purge the hydraulic system.
• Check the absence of leakage.
• Control the level of hydraulic oil tank.
• Check the pressures.
Description Torque (JIC) Torque (ORFS)
Hose 1/4" (diameter 6mm) 1,5 daN.m(11,08 lbf.ft) 2,6 daN.m(19,22 lbf.ft)
Hose 3/8" (diameter 10mm) 3,5 daN.m(25,86 lbf.ft) 4,2 daN.m(31,04 lbf.ft)
Hose 1/2" (diameter 12mm) 5 daN.m(36,95 lbf.ft) 5,7 daN.m(42,12 lbf.ft)
Hose 5/8" (diameter 16mm) 8 daN.m(59,12 lbf.ft) 8,5 daN.m(62,82 lbf.ft)
Hose 3/4" (diameter 19) 10 daN.m(73,91 lbf.ft) 12,2 daN.m(90,17 lbf.ft)