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Name
Contents of inspection
Remedy
※
Result Measures
Inspection cycle (standard)
Collector arm
Is installation dimensions H of the collector
arms
collector arm mount rod
sliding surface
Ｈ
Please correct so that the distance H
is set to 95mm(Central value of the
collector arm permitted movable range
± 20mm) between the conductor sliding
surface and collector arm mount rod.
Please measure H size, where the
collector shoes is touched in the hanger.
○
Once
every
1 to 3
months
Does not the collector arm mount rod
have the remarkable torsion?
Torsion
When there is remarkable torsion, please
revise the collector arm.
○
Does not the collector shoes have the
outbreak such as Bali?
Please remove it with sandpaper.
Is there any serious wear to replacement
indication line.
Rplacement
indication line
Collector shoes should be replaced
when they partially wear down to the
replacement indication line.
Please exchange the collector shoes
ahead of time when it will be worn out
to the replacement indication line by the
time of the next check.
The center of the both sides of the
collector arm attachment and Tro-Reel
unit arranges.
Tro-Reel unit
Collector arm
attachment
Please revise it so that the center
matches.
○
Is there any ark generated protrusion ?
Remove the protrusion (convex) on the
arc scratch using a file.
Is there any mounting nut loosen?
Retighten
○
Is there any curve or variation on the arm? Replace the arm if there is curve or variation.
Is there any chip or broken?
Replace if chip or broken spring pin is found.
Is there any wear or hole loosen on spring
bearing metal?
Replace the collector shoes if there is
wear to replacement indication line.
Is there any damage on the sheath of lead wire? If there is damage, replace the collector shoes.
○
Is the collector shoes pulled by the lead
Are there abnormal wear?
wire?
If the collector shoes pulled, correct to
If there is abnormal wear of the arm,
replace the collector arm.
have extra length on lead wire.
○
○
Collector arm
support parts
for transverse
Are there modification of a spring (6.2mm or more
clearance between the spring) or rust on the spring?
Deformation of the spring, if there is
rust, replace
Is there a loose the screws?
Tighten screws more.
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