— 20 —
Item
Inspection methods
Discard limit/criteria
Remedy
5. Chain spring and
Cushion rubber
(1) Chain spring
deformation
(Option)
Check visually.
NEVER
use deformed chain
spring as illustrated or
unspringy one, and make
sure that the size of free
chain spring is the minimum
of 75mm (130mm) the initial
size of the spring is 85mm
(150mm) * ( ) 60-240kg
Replace chain spring
with a new one if
deformed.
(2) Cushion rubber
deformation
Check visually.
NEVER
use a cushion
rubber if it is deformed as
illustrated.
Replace cushion
rubber with a new
one if deformed.
6. Chain container
Check visually.
・
Chain container should not be
damaged.
Replace with new
ones if damaged.
・
Screws and pins should not be
loosened or damaged.
Replace with new
ones if damaged.
・
No foreign matter or dust.
Remove any foreign
matter or dust.
7. Electric cable
(1) Damage of electric
cable
Check visually.
・
No damage.
Replace.
(2) Loose of electric
cable connection
Check visually.
・
No loosening.
Repair.
(3) Poor grounding
Check visually.
・
Shall be grounded.
Ground.
8. Mini trolley
(60-240 kg)
In the case of
480kg, refer to
the manual of TS
series trolley.
(1) Function
Move (trolley) under
no-load condition.
・
Should run smoothly.
Replace.
(2) Falling of split pins
Check visually.
・
Not fall.
Repair.
(3) Wheel wear
Measure with
calipers.
・
Contact face and flange wear
should be with within the
following limits:
Replace.
Diameter of tread
D (mm)
Discard limit
of flange
Normal
Discard limit
t (mm)
40 38
1.5