24
Specifications
Specifications
25
Version 1.0
| 25 |
| 24 |
Version 1.0
Limit switch
Check by
pushing button
Operate until upper and
lower limit cause
automatic motor
shutdown
Replace limit switch,
disassemble and
clean limit lever
Movement
confirmation
Check by
pushing button
•
Load chain can roll up easily
•
Motor shutdown immediately when
operation stops
•
All movements shutdown when E-stop
button pushed
•
Other buttons cannot cause movement
when pushing the E-stop button
•
All movements return to normal opera-
tion when E-STOP button relieved
Brake
Check by
pushing button
Brake quickly activates and operation of
bottom hook immediately stops (amount of
movement of the load chain is within 2 to 3
rings)
Chain spring
Visual inspection
and measure
dimensions
Replace chain spring
CHAIN
Length Of Spring
Standard
Ø6.3
145
140
Ø7.1
145
140
Ø10.0
135
129
Ø11.2
160
152
Attrition and opening
of the hook
Deformation, damage
and corrosion
Visual check
No remarkable deformation, harmful dam-
age and corrosion
Replace hook
Hook safety block
Visual inspection,
fold and unfold
actions
-Can exactly fold inside the hook
-No deformation Dangerous
-Do not use hook if safety block is loosening
Improper use will lead to death or serious
injury
Hook movements
(rotate)
Visual inspection and
manual rotation
•
No remarkable space between bottom
supporting and top
•
equal at right and left
•
easy to rotate 360°
Replace hook
Replace hook safety
block
Check by visual and
vernier caliper
No remarkable opening or attrition
LOAD
A
B
C
D
E
G
0.3 -0.5
27
18
25
17
35
28
1
34
24
30
24
42
32
2
46
29
39
30
49
40
3
56
35
49
34
59
48
5
67
43
67
44
60
48
7.5 -10
82
55
80
48
85
80
15
110
78
120
80
120
90
20-25
142
95
155
98
150
115
