Capacity
(kg or t)
Location
(inside)
125kg to 1.5 ,2(L),
2(M), 3(C)
switch box
controller cover
switch box
controller cover
switch box
controller cover
2(S), 2.5, 3(L), 5
3(S)
Fuse capacity (Ampere)
ER ERM
Single speed Dual speed Single speed Dual speed
…… …… 22
2222
…… …… 22
3333
…… …… 22
3535
(2) Periodic inspection
− 41 −
Class Item Inspection method Discard limit/criteria Remedy
Electric chain hoist & Trolley
Hoist & Trolley
1. Push button
(1) Operation
(2) Emergency
stop function
(3) Loose wiring
joint
Push buttons in
turn.
Stop and reset the
equipment 2 or 3
times using the
emergency stop
button.
Check visually.
Movement is smooth without
extreme play and interference.
The button should operate
smoothly and be void of extreme
play and interference.
Screws are not loose or missing.
Inspect and
repair it if
operation is
abnormal.
Inspect and
repair it if
operation is
abnormal.
Tighten
further if it
is loosened.
2. Main body
and
traversing
unit
(1) Cable or cord
joint damage
Check visually. Free of noticeable damage. Repair cables /
cords or replace
them with new
ones.
3. Power
supply,
ground,
insulation,
control circuit
(1) Control
circuit fuse
installation
and capacity
Remove the
controller cover
and check visually
fuse installation.
Check fuse
capacity.
The fuse should be securely fit in
the prescribed location.
As indicated on the below table.
Fit in the
prescribed
location.
Install a fuse
of the proper
capacity.
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