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4. If the hoist hook block has been twisted in the Z direction, lower the hook block on to the
ground to sag the wire rope, and give several turns (number of 1 twist) to the wire
rope, turning the wire rope in the direction shown below. (In the case of the 4-fall type,
carry out this operation on each side.)
Ex.: In the case of the 2-fall type shown in Item 1
Number of 1 twists
↓
1 + 1 = 2 twists
Give two clockwise turns to the rope
support.
5. If the hoist hook block has been twisted in the S direction, lower the hook block on to the
ground to sag the wire rope, and give several turns (number of 1 twist) to the wire
rope, turning the wire rope in the direction shown below.
(In the case of the 4-fall type, carry out this operation on each side.)
6. After straightening the wire rope, turn the hook 180
°
clockwise and counterclockwise, and
make sure that the hook returns to the initial position.
(If there is a nonconformity, straighten the rope again increasing the number of turns more
than the number of turns stated in Steps 4 and 5.)
* The wire rope assembly is an important part from the viewpoint of strength. When
replacing it, use the Mitsubishi genuine part. (The genuine wire rope has a stamp of the
Mitsubishi mark at the end.)
Summary of Contents for UM 10t
Page 51: ... 47 Structural Drawing of Hoist Main Body 5t 10t PA00531 ...
Page 52: ... 48 Structural Drawing of Electric Traversing Unit Monorail Type 10t P288922 ...
Page 53: ... 49 Structural Drawing of Electric Traversing Unit Double rail type 5t PA00483 ...
Page 54: ... 50 Structural Drawing of Traversing Mortor Double rail type 10t P276926 ...
Page 55: ... 51 Structural Drawing of Hook Block 5t PG49975 ...
Page 56: ... 52 Structural Drawing of Hook Block 10t PG49976 ...