Eaton 120W-VAC16, Инструкции по установке, эксплуатации и техническому обслуживанию

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Instruction Book
Page 38
IB131009EN
6-3 INSPECTION AND MAINTENANCE
PROCEDURES
No./Section Inspection Item Criteria Inspection Method Corrective Action
1. Insulation Drive Insulator
and
Molded Pole Unit Support No dirt
No cracking
Visual Check
Visual Check
Clean with lint-free cloth
Replace cracked unit
Insulation
Integrity Main Circuit to Ground
Between Main Circuit
Withstand
Withstand
Hipot Tester
Hipot Tester
Clean and retest or replace
Clean and retest or replace
Terminals
Controls Circuit to Ground Withstand Hipot Tester Clean and retest or replace
2. Power
Elements
Vacuum Interrupters Contact Erosion
Visibility of Mark Visual:
1) For all breaker ratings
If the mark is not visible
except 3150A, close the
breaker and look for green
mark on moving stem from
the rear of the breaker
(see Figures
6-2 & 6-3 ).
(except 3150A), replace pole
unit assembly
2) For the 3150A breaker
only, close the breaker and
observe the erosion mark on
the right inside of the pole
unit support (see Figure
6-4 ).
Use the erosion gauge to
inspect the erosion level
(see Figure
6-5 ).
If the erosion gauge pointer
(3150A only) is aligned or above
erosion mark, replace pole unit
assembly
Contact wipe visible
Visual (Figures 6-6 & 6-7 )
Replace pole unit assembly
Adequate Vacuum See Section 6-4 Replace pole unit assembly
Dirt on ceramic body Visual Check Clean with dry lint-free cloth
Primary Disconnects
Pole Unit Black Clips
No burning or damage
Every 1000 Operations
Visual Check
Operation Counter
Replace if burned, damaged,eroded
Replace Black Clips
3. Control
Circuit
Closing and Tripping Device
Including Disconnects Smooth and correct
operation by control
power Test closing and tripping
of the breaker twice Replace any defective device,
identify per trouble-shooting
chart
Wiring Securely tied in
proper place Visual Check Repair or tie as necessary
Terminals Tight Visual Check Tighten or replace if
necessary
Motor If required Functional Test Replace brushes
Tightness of Hardware No loose or
missing parts Visual and tighten with
appropriate tools Tighten or reinstate if
necessary