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Maintenance Manual for Crawler Crane
e) Ensure fixed position of a hose with a clamp:
Reduce the wear between the hose and relevant parts effectively.
Figure 4-34 Hose illustration (V)
f) Arrangement of the hose:
Avoid too hot surface and sharp edges.
Avoid friction between it and other components.
Make sure enough length to do curving movement.
Figure 4-34 Hose illustration (VI)
4.10.7 Safe connection and dismantling of quick-release coupling in
hydraulic pipes
Points for attention when assembling:
a) The quick-release coupling should be screwed tightly by hand rather than by wrench, to
prevent damaging the quick-release coupling.
b) If the quick-release coupling is flat face type, align the small notch on the female end with
the steel ball on the male end, and then plug the male end into the female end. After a
“click” sound is heard, rotate the female end of quick-release coupling until the small notch
is not aligned with the steel ball to avoid unintended operation.
Incorrect
Incorrect
Correct
Correct
4-55
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