8.8.3636 HyHydrdrauaulilic sc sysystetem / m / ReRepapair ir ininststruructctioions ns / I/ Insnstatallllatatioion in insnstrtrucuctition on fofor pr pipipe coe coupuplilingngss
4.4. The rinThe ring will ng will now how have gave gripped ripped the pithe pipe, ape, and no nd no longelonger needr needs to bs to be prese pressed ased againsgainstt
the shoulderthe shoulder. Complete the fitting with an additional ¾ t. Complete the fitting with an additional ¾ turn of the nut. A mark onurn of the nut. A mark on
the nut simplifies following the specified torque, see figurethe nut simplifies following the specified torque, see figure 8.198.19..
5.5. LargLarger piper pipe dimee dimensionsions anns and coupd couplings lings in free in free pipepipes are ps are preferareferably fitbly fitted by ted by placplacinging
the coupling body in a vice. The length of the U-rthe coupling body in a vice. The length of the U-ring spanner should be 15 timesing spanner should be 15 times
the width of the nut (can be extended with a piece of pipe). Otherwise fit accordingthe width of the nut (can be extended with a piece of pipe). Otherwise fit according
to point 3.to point 3.
If several couplings of the same type are to be fitted, If several couplings of the same type are to be fitted, make sure that each pipe endmake sure that each pipe end
goes in the same coupling cone it was previously fitted in.goes in the same coupling cone it was previously fitted in.
Fitting is simplified if the Fitting is simplified if the nut is loosened and oil is applied between the frictionnut is loosened and oil is applied between the friction
surfaces.surfaces.
6.6. After After fittinfitting, relg, release ease the cthe cap nut ap nut and cand check heck that tthat the ring he ring has phas pressressed up ed up a visia visibleble
swelling in the area in front of it, swelling in the area in front of it, see figuresee figure 8.208.20. If not, give it . If not, give it another short turn. Itanother short turn. It
is of no importance whether the ring can still is of no importance whether the ring can still be turned.be turned.
Af i ibl lli h f d h h ld bAf i ibl lli h f d h h ld b fi d i h i ffi d i h i f
Figure 8.19Figure 8.19 A mark on the nut simplifies the specified torqueA mark on the nut simplifies the specified torque
Figure 8.20Figure 8.20 A visible swelling should have formed after tighteningA visible swelling should have formed after tightening
hydraulror 5.epshydraulror 5.eps
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