In this section, the devices indicated are exclusive to a Fly-jib model but different from those of
a standard model. For devices other than these, refer to the section: “Inspection and
Maintenance”.
9.1 CHECKING BEFORE OPERATION
Check the followings in this section before starting the first work every day after installing fly-jib.
[1] CHECKING AROUND FLY-JIB
• Check each part of the fly-jib for cracks, excessive deformation, and contamination etc. In addition,
check bolts, nuts and pins for any looseness, drop, and damage etc. Be especially careful to check for
excessive abrasion and damage of the position pins. If you find any abnormality, repair.
• Check for excessive damage and deformity of the over hoist weight wire rope of the over winding alarm
device at the tip of the fly-jib. If there is any abnormality, repair.
• Check for excessive damage and deformity of the cord real on the left side surface of the fly-jib. If there
is any abnormality, repair.
• Check for sagged electrical wire, loose connections and trace of burns. If you find any abnormality,
repair.
[2] CHECKING HOOK BLOCK
• Verify that the wire rope latch (1) functions normally. If there is
any abnormality, repair.
• Rotate the hook and verify that the hook rotates smoothly and
that the trunnion does not emit any abnormal sound.
If there is any abnormality, repair.
• Check the hook for any cracks or excessive deformation.
If there is any abnormality, repair.
To Next Page
Loading...
