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Instruction Leaflet

 IL01301060E

Effective June 2016

Series NRX drawout and breaker 

three-way cable interlock installation

and removal instructions

EATON 

www.eaton.com

Figure 9. Step 8.

Step 9e: 

This step describes how to first attach the drive (short rod) end 

of a cable to its interlock assembly and cable bracket.  See Figures 10 

to 14 for details.

1.  Remove small nut, compression spring and spacer tube from end 

of rod. 

2.  Slide rubber boot toward tip of rod.
3.  Unthread outer bulkhead nut and slide nut and lock washer toward 

tip.

4.  Insert threaded end of rod into swivel fitting.
5.  Slide smaller diameter portion of bulkhead fitting into cable bracket 

slot (see Figure 12).

6.  Raise cable assembly until threaded portion of bulkhead fitting 

enters slotted hole in cable bracket (threads show above bracket). 

7.  Bring bulkhead washer and nut down to threads and hand tighten.
8.  Adjust two bulkhead nuts to approximately center bulk head fitting 

on cable mounting bracket. 

9.  Hand tighten bulkhead nuts only at this time.
10. Slide rubber boot back into place over end of bulkhead fitting. 
11. Replace spacer tube, compression spring and small nut on end of 

rod.

12. Lower nuts should be shouldered against end of thread and upper 

nut tightened against spacer tube (see Figure 13).

13. Hold lower nuts and torque upper nut to 30 - 40 in.-lbs  

(3.3 - 4.5 N•m).

Type 32 cable routing

Figure 10.  Step 9.

Figure 11. 

Rubber boot

Bulkhead nut

Outer  

bulkhead nut

Lower nuts 

(should be shouldered 

against end of thread)

Threaded end

Spacer tube

Compression 

spring

Upper nut

Step 9 - Cable assembly (details).

Swivel 

fitting

Drive end 

cable bracket

Rubber boot

Drive end 

(short rod)

Содержание Series NRX

Страница 1: ...FLET COULD RESULT IN DEATH BODILY INJURY OR PROPERTY DAMAGE m WARNING THE INSTRUCTIONS CONTAINED IN THIS IL AND ON PRODUCT LABELS HAVE TO BE FOLLOWED OBSERVE THE FIVE SAFETY RULES DISCONNECTING ENSURE...

Страница 2: ...ion of the breakers and are available in 5 6 8 and 10 foot lengths 1 5 1 8 2 4 and 3 0 m Individual cable kits are ordered separately Required tools 10 mm socket drive socket 11 16 inch open end wrenc...

Страница 3: ...nted as shown Torque to 65 85 in lbs 7 3 9 6 N m Step 4 Install the trip pin A to the trip arm using an M3 x 16 mm flat head screw B Use a wrench to hold the trip lever during installation Torque to 3...

Страница 4: ...E 8 SHOWS THE TYPICAL CABLE ROUTING FOR BOTH TYPES 31 AND 33 INTERLOCKS AND FIGURE 9 SHOWS THE TYPICAL ROUTING FOR TYPE 32 INTERLOCKS THE CABLE MOUNTING ON THE DRIVE SIDE IS THE SAME FOR ALL TYPES MOU...

Страница 5: ...f bulkhead fitting enters slotted hole in cable bracket threads show above bracket 7 Bring bulkhead washer and nut down to threads and hand tighten 8 Adjust two bulkhead nuts to approximately center b...

Страница 6: ...el fitting Lower nuts Rubber boot Outer bulkhead nut Bulkhead nut Driven end cable bracket Swivel fitting Driven end long rod Lower nuts Driven end cable bracket Figure 15 Step 10 Step 11 This step de...

Страница 7: ...justments on driven long rod end of cable refer to Figure 15 As adjustments are made with the connected breakers in different states of OPEN and CLOSED make certain that gaps between the swivel fittin...

Страница 8: ...mpt 2 CLOSE Breaker C verify Breaker A remains CLOSED Again verify Breaker B will not respond to CLOSE attempt 3 OPEN Breaker A verify Breaker B will not respond to CLOSE attempt 4 OPEN Breaker C all...

Страница 9: ...9 Instruction Leaflet IL01301060E Effective June 2016 Series NRX drawout and breaker three way cable interlock installation and removal instructions EATON www eaton com Notes...

Страница 10: ...riate Eaton selling policies or other contractual agreement between Eaton and the purchaser THERE ARE NO UNDERSTANDINGS AGREEMENTS WARRANTIES EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF FITNESS FOR A...

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