SAN YUAN ER3 Series, Maintenance And Operational Instructions

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4. Is the brake operation normal when the winding is stopped?
5. Is the lower hook wassily rotating?
D-2 Regular inspection items:
1. Inspection of LINK chain
LINK chain is the most important part of the electrical chain hoist, which is made of special alloy
steel with heat treatment. The purpose is to withstand wear and tension. In case the surface is
dried and rusted, it will cause interwoven chains which may break. Therefore, the surface must
be oiled frequently (use normal lubricating oil). In case the chain is deformed, cracked,
elongated, worn, in excess of the following standards, new parts must be replaced:
2. Inspection of gear:
a. Regular replacement of lubricating oil in the gearbox.
b. Check if the gear surface is cracked or worn.
3. Inspection of hook:
a. In case of abnormal deformation, damage or breakage at the opening of the hook, it must
be replaced with new.
b. In case the wear extent of the hook is in excess of 10%, it must be replaced with a new
part.
4. Inspection of pushbutton switch:
a. Are the inner and outer screws of the pushbutton switch loosened? Is the electric wire
damaged?
b.
Is there foreign substance between the contact points? Are the contact points abnormally
worn?
Cap (Ton)
Dimensions (mm)
d p
2/1
6.3 19.1
1
7.1 21
1.5
、
2
10 30
2.5
、
2.8
、
3
11.2 34
5
11.2 34
Cap (Ton)
Dimensions (mm)
A B C D E F
2/1
28 34.2 31 21.6 24.5 18
1
30 37 35 26 29 23
1.5
、
2
40 46 45 31 41 31
2.8
、
3
49 59 52 32 46 32
5
52 62 67 45 60 45