Eaton W-VACi - Inspection Process Chart

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65A7355H01 November 2011 www.eaton.com
Table 4-4: Inspection Process Chart
Section
Inspection Item
Criteria
Inspection Method
Corrective Action
Insulation
Drive insulator,
barriers, and stand-off
insulators
No dirt and no
cracking
Visual inspection
Clean with lint-free cloth or
replace cracked piece
Insulation
Integrity
Main circuit to ground
Withstand
AC High Potential
Test
Clean and retest or replace
Between main circuit
terminals
Withstand
AC High Potential
Test
Clean and retest or replace
Control circuit to
ground
Withstand
AC High Potential
Test
Clean and retest or replace
Power
Elements
Vacuum Interrupters
Adequate vacuum
Proceed with
integrity check
If integrity check is not
satisfactory, replace
encapsulated pole unit
assembly
Main Circuit Resistance
Resistance less
than Table 4-2
values
Per Section 4-6
Contact Eaton rep. for
recommendations
Primary disconnects
No burning or
damage or spring
discoloration
Visual inspection
Replace if burned, damaged,
eroded or discolored
Control
Circuit Parts
Shunt (Closing and
Opening) release,
including disconnects
Smooth and correct
operation by control
power
Test closing and
tripping of the circuit
breaker twice
Replace any defective parts
Wiring
Securely tied in
proper place
Visual inspection
Repair or tie as necessary
Terminals
Tight
Visual inspection
Tighten or replace if
necessary
Motor
Smooth, normal
operation
Functional Test
Replace brushes or motor
Operating
Mechanism
Tightness of hardware
No loose or missing
parts
Visual and tactile
Tighten or replace parts
Dust or foreign object
No dust or foreign
object
Visual check
Clean as necessary
Lubrication
Smooth operation
and no excessive
wear
Visual and tactile
Contact Eaton rep. for
recommendations
Deformation or
Excessive Wear
No excessive
deformation or wear
Visual and
operational
Remove cause and/or replace
parts
Manual Operation
Smooth operation
Manual charging,
closing, and tripping
Correct per troubleshooting
chart 6.9