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Figure 19. Actuator and housing service parts.

16

TYPE NR OIL SWITCH MAINTENANCE INSTRUCTIONS

MN230001EN February 2016

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Содержание Cooper Power NR Series

Страница 1: ...od SC NR CP541000001 through CP541999999 NRV CP542000001 through CP542999999 Notice This document is also applicable to product serial numbers beginning with the characters CP57 COOPER POWER SERIES Po...

Страница 2: ...T IN ANY EXISTING CONTRACT BETWEEN THE PARTIES ANY SUCH CONTRACT STATES THE ENTIRE OBLIGATION OF EATON THE CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES...

Страница 3: ...5 Oil condition 5 Insulation level withstand tests 5 SHOP REPAIR PROCEDURES Bushings 6 Contacts 6 Moving contacts 7 Stationary contacts 7 Moving contact arm assembly 8 Complete contact box assembly 9...

Страница 4: ...sion Safety information DANGER Hazardous voltage Contact with hazardous voltage will cause death or severe personal injury Follow all locally approved safety procedures when working around high and lo...

Страница 5: ...tch and inspect it thoroughly for damage incurred during shipment If damage is discovered file a claim with the carrier immediately Handling and storage Be careful during handling and storage of the s...

Страница 6: ...seconds 35 30 35 30 42 36 60 50 Continuous Current Rating Amps 200 200 200 60 Load Interrupting Ability Inductive Symmetric Amps 75 100 power factor 50 75 power factor 50 power factor 200 100 50 200 1...

Страница 7: ...nd other mechanical damage Paint to inhibit corrosion 3 Perform a dielectric withstand test to determine the insulation level Follow procedures in Insulation Level Withstand Tests section 4 Loosen the...

Страница 8: ...on 11 If oil must be replaced drain the tank and discard the tank wall liners 12 Thoroughly clean out all sludge and carbon deposits and rinse the tank with clean oil 13 Install new tank wall liners a...

Страница 9: ...ing even though it is obtained from an approved source Passing oil through a blotter press will remove free water and solid contaminants such as rust dirt and lint When filtering the oil aeration shou...

Страница 10: ...r bushing gasket 4 Twist off the split aluminum ring from the old bushing and install on the new bushing assembly if ring is in good condition replace ring if damaged Note N The clamping ring cushions...

Страница 11: ...tact stud Install following parts in order contact retainer flexible contact leads terminal leads flatwasher lockwasher and hex nut Tighten hex nut on bushing rod 4 With the moving contacts in the ope...

Страница 12: ...4 Remove the contact arm assembly 5 Reassemble the new contact arm assembly which includes the moving contact bar to the contact box Figure 11 Contact structure removed from head mechanism Figure 8 Co...

Страница 13: ...semblies if necessary as described previously E Attach terminal leads to bushing rods with flat washers lockwashers and hex nuts Actuator mechanism The actuator mechanism requires little attention Whe...

Страница 14: ...es place relatively early on cam lobe and that an over travel movement of operator arm after contact actuates of approximately 3 64 inch is achieved 7 Check that main contacts open before the selector...

Страница 15: ...ent lubrication Spring anchor boss Actuator drive lever spring anchor Mechanism shaft through cam center Pinion gear on motor shaft and mechanism gears Apply MOBILGREASE 28 or a similar low temperatur...

Страница 16: ...on the latch lever assem bly Be sure the two shaft retainers are positioned as in Figure 17 and that the latch lever is retarded when moved away from the head casting 8 Install the contact structure a...

Страница 17: ...This page intentionally left blank 13 TYPE NR OIL SWITCH MAINTENANCE INSTRUCTIONS MN230001EN February 2016...

Страница 18: ...Service parts list Figure 18 Type NR oil switch service parts 14 TYPE NR OIL SWITCH MAINTENANCE INSTRUCTIONS MN230001EN February 2016...

Страница 19: ...17 Caution plate SI01057 1 18 Control rating plate Decal 6A00471702 1 19 Screw sheet metal Type Z 2 x 3 16 Not required for Decal 4 20 Nameplate GR00122 1 21 Self tapping screw rd hd Type Z 10 x 3 8 8...

Страница 20: ...Figure 19 Actuator and housing service parts 16 TYPE NR OIL SWITCH MAINTENANCE INSTRUCTIONS MN230001EN February 2016...

Страница 21: ...66 2 11 Screw self tapping phillips pan hd Type F 6 32 x 5 8 sst 753315106062A 1 12 Actuator includes item 13 and standard selector switch GRA0381 1 Actuator repair kit 240 Vac includes item 13 and st...

Страница 22: ...This page intentionally left blank 18 TYPE NR OIL SWITCH MAINTENANCE INSTRUCTIONS MN230001EN February 2016...

Страница 23: ...This page intentionally left blank 19 TYPE NR OIL SWITCH MAINTENANCE INSTRUCTIONS MN230001EN February 2016...

Страница 24: ...53188 United States Eaton com cooperpowerseries 2016 Eaton All Rights Reserved Printed in USA Publication No MN230001EN Eaton is a registered trademark All trademarks are property of their respective...

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