3M ECAM-27MM-D Manuel utilisateur

July 2011

78-8140-2401-0-B

3M™Double Cable Entry Port

ECAM-27MM-D

3M™Double Cable Entry Port

ECAM-27MM-ACT

Instructions

278-8140-2401-0-B

1.0 General

The 3M™Double Cable Entry Port ECAM-27MM-D is designed to accept fiber optic loose buffer tube & central

tube ribbon type cables with external diameters of up to 27-mm /1.06". The kit will accommodate cables with

single or dual cable strength members (CSM).

2.0 Kit Contents

2.1 Metallic Version

A. Mastic tape rolls (2)

B. Oval gasket

C. Sheath scuff

D. Silicone lubricant

E. Cable clamp shells (4 sets)

F. Vinyl caps (2)

G. Alcohol wipe

H. Cable clamp w/3 mtg. Screws

I. Washers set (1 set shown) (4 sets)

J. Cable ties

K. Cable gauge decal

L. Mastic rope

M. Housing bottom half

N. Housing top half w/3 mtg. Screws

O. Strength member clamps (2)

P. Cable Strength Member (CSM) bracket

(riveted to housing bottom)

Instruction manual 78-8140-2401-0-B (not shown)

78-8140-2401-0-B

2.2 Non-metallic Version

A. Mastic tape rolls (2)

B. Oval gasket

C. Sheath scuff

D. Silicone lubricant

E. Cable clamp shells (4 sets)

F. Alcohol wipe

G. Ground wire (4)

H. Washers set (1 set shown) (4 sets)

I. Cable ties

J. Cable gauge decal

K. Mastic rope

L. Housing bottom half

M. Housing top half w/3 mtg. Screws

N. 3M™Scotchlok™Shield Bond Connector 4460-D/FO-SS

loose parts kit

O. Instruction manuals

Visually inspect all components. If any component is missing or appears damaged, do not install.

Call 3M customer service at 1-800-426-8688 for a replacement product.

478-8140-2401-0-B

3.0 Dielectric Main Cable Preparation

96" MAX (2.4 m)

SHEATH REMOVED

TYPICAL CABLE PREP

FOR EXPRESS BUFFER

TUBE CABLE

6"(150 mm)

TRIM SINGLE O

DUAL CSM RODS

3" (75 mm)

SCUFF SHEATH

ON ALL CABLES

96" MAX (2.4 m)

SHEATH REMOVED

TYPICAL CABLE PREP

FOR EXPRESS

CENTRAL TUBE CABLE

6" (150 mm)

TRIM SINGLE O

DUAL CSM RODS

8" (200 mm)

CENTRAL TUBE

72" (1.8 m)

SHEATH REMOVED

TYPICAL CENTRAL TUBE

CABLE PREP

6" (150 mm)

TRIM SINGLE O

DUAL CSM RODS

8" (200 mm)

CENTRAL TUBE

TRIMMED

EXPRESS LOOSE BUFFER TUBE CABLE

EXPRESS CENTRAL TUBE CABLE

BRANCH OR DROP CABLE

Armored Cable Central Strength Member

6" (150 mm)

TRIM CSM ROD(S)

4" (100 mm)

LEAVE HALF OF CABLE SHEATH

W/METALLIC SHIELDING TO

ATTACH GROUNDING

MEASURE SHEATH OPENING

TO HERE

Otherwise same as dielectric cable preparation.

Armored Central Tube Cable with Dual Strength Members

4 1/4" (108 mm)

LEAVE HALF OF CABLE SHEATH

W/METALLIC SHIELDING TO

ATTACH GROUNDING

4 1/4" (108 mm)

CENTRAL TUBE TRIMMED

6" (150 mm)

TRIM CSM ROD(S)

72" (1.8 m)

SHEATH REMOVED

78-8140-2401-0-B

4.0 For Armored Cables Only

4.1 The following two grounding kits are available:

3M™Internal Ground Kit

ECAM-GND-6-AWG

80-6113-1702-7

3M™Internal Ground Kit

ECAM-GND-14-AWG

80-6113-1704-3

4.2 Prepare cable as describe in the previous

armored cable prep section Wrap the sheath

with Scotch®All Weather Telephone Vinyl

Plastic Tape 88T or equivalent to protect fiber

from the sharp cable sheath edges. Do not wrap

the last inch (25 mm) of the cable sheath.

4.3 Prepare the closure base by locating the ground

studs inside the closure base. Loosen the upper

nut 3 to 4 turns on the ground stud using a 1/2

inch (13mm) nut driver. It is not necessary to

remove the small vinyl caps.

4.4 Place the forked end of the ground wire between

the pair of washers. Re-torque the ground stud

nut to 30 in-lbs.

678-8140-2401-0-B

4.5 Position and route grounds to minimize

interference with cables ports and splicing.

Cable end ground connections are made after

the cables are installed in the base.

Note: The installation and removal of the ECAM

27MM-D is the same for both the metallic and

the non-metallic versions. For demonstration

purposes, the metallic version will be used

throughout the instruction manual.

5.0 3M™Double Cable Assembly ECAM 27MM-D Removal

5.1 Using a 3/8 inch (10 mm) nut driver loosen the

clamp screws on the external cable assembly

module (ECAM). Pull clamps outward and

rotate as shown. Lightly re-tighten screw to

hold clamps in place.

5.2 Loosen the three screws and separate the top and

bottom halves of the 27-mm ECAM double cable

assembly using a 3/8 inch (10 mm) nut driver.

5.3 Loosen the three screws to remove the cable

clamp from the bottom half of the of the 27-mm

ECAM double cable assembly using a 3/8 inch

(10 mm) nut driver. Keep the longer center screw

located in the center position.

78-8140-2401-0-B

6.0 Cable Gauge Decal

Use the supplied cable gauge to determine the proper

cable clamp shells, washers and correct amount of

mastic needed to build a sealing collar.

6.1 Place the cable gauge decal on the cable as shown below. Be sure to place decal in-line with the cable.

Correct Incorrect

6.2 Read between the arrows on the decal to

determine the amount of mastic, clamp shells

and washer needed to properly assemble

the 3M™Double Cable Entry Port ECAM-

27MM-D. This information can be recorded in

the log at the bottom of this page.

Note: If the arrows on the decal point at the line

between two different sizes, use what is listed in

the box below the line. Also note that no clamp

shells are required if gauge indicates ‘NONE’ in

the shell column.

Note: If two differently-sized cables are used repeat this

procedure for the second cable and record this

information in the Cable 2 section of the log. LOG Mastic Cut

Length

Cable Clamp

Shells Washers

Cable 1

Cable 2

Note: To plug an unused port in the 27-mm Double ECAM assembly, use 14.0 inches (356 mm) of mastic rolled

into a cylinder.

878-8140-2401-0-B

7.0 Cable Clamp Shell Selection

7.1 Locate clamp shells on the clamp shell tree.

Note that each clamp shell is numbered.

Remove the required clamp shell sets from part

tree. Make two sets of clamp shells for each

cable.

7.2 If multiple shells are required for a specific

cable size, locate these and assemble into sets.

7.3 Note the orientation of pin and socket and

assemble as shown.

7.4 Assemble clamp shell(s) into the cable clamp.

Note the orientation of pin and socket and

assemble accordingly.

78-8140-2401-0-B

7.5 Assemble clamp shell(s) onto bottom half of

cable housing. Note the orientation of pin and

socket and assemble accordingly.

Note: Differently-sized cables may require differently-

sized clamps. Ensure that the correct clamp sets

matches the cable when assembling in bottom

housing and cable clamp.

8.0 Cable Seal Installation

8.1 First thoroughly clean the cable sheath using an

alcohol wipe. Make sure cable sheath is free of

any grease or dirt.

Note: Carefully follow health, safety and environmental

instructions as given on Material Safety Data

Sheet for the alcohol wipe.

Scuff the first 3" of each cable sheath using

the supplied sheath scuff. Ensure the cable is

completely scuffed around the perimeter of the

cable.

Hint: Scuffing is easier if you tear the sheath scuff in

narrow strips along the length of the strip.

Washer Selection

8.2 Locate and remove two washers on parts trees for each cable (four washers total). Note that washer

sizes are on washer as shown. Note that inches are on one side of the washer and millimeters are on the

other side.

Note: See chart in section 6.2 for required washer.

10 78-8140-2401-0-B

Mastic Collar Build

8.3 Mark cables approximately .25 inches (6 mm)

from the end of sheath. This is to locate the

mastic collar.

8.4 Washers can be split along notch for installation

over the cable.

8.5 Install two washers on each cable near sheath

end as shown.

8.6 Unroll mastic and measure out the required

amount. Repeat for second cable.

Note: See chart in section 6.2 for required mastic

length.

Note: Warm mastic before use if temperature is below

50°F (10°C).

Ce manuel convient aux modèles suivants

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