3M ECAM-20 MM-D Bedienungsanleitung

June 2011

78-8140-3820-0-B

3M™External Cable Assembly Module (ECAM)

Double Cable Entry Port

ECAM-20 MM-D

Instructions

278-8140-3820-0-B

1.0 General

The 3M™External Cable Assembly Module (ECAM) Double Cable Entry Port ECAM-20 mm-D is designed to

accept fiber optic loose buffer tube & central tube ribbon type cables with external diameters of up to

20 mm /0.78". The kit will accommodate cables with single or dual cable strength members (CSM).

2.0 Kit Contents

2.1 For all loose buffer tube and dielectric central tube cables.

A. Mastic tape rolls (1)

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 with 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 with 3 mtg. screws

O. Strength member clamps (2)

P. CSM bracket (riveted to housing bottom)

Q. Instruction Manual 78-8140-3820-0-B (Not shown)

78-8140-3820-0-B

2.2 For armored loose tube and armored central tube cables.

J D FOC

A. Mastic tape roll

B. Oval gasket

C. Sheath scuff

D. Silicone lubricant

E. Cable clamp shells (4 sets)

F. Alcohol wipe

G. Cable clamp w/3 mtg. screws

H. Washers set (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. Number 6 gauge ground wire (2)

O. 3M™Scotchlok™Shield Bond Connector 4460-D/FO-SS (2)

P. 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.

478-8140-3820-0-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

78-8140-3820-0-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 described in the previous

armored cable prep setion. 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 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 three to four turns on the ground stud inside

the closure using a ½-inch (13 mm) 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 inch-lbs.

678-8140-3820-0-B

4.5 Position and route the grounds to minimize

interference with cable ports and splicing. Cable

end ground connections are made after the

cables are installed in the base.

Note: The installation and removal of the 20mm-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™External Cable Assembly Module (ECAM) Double 20 mm-D

Removal

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

clamp screws on the ECAM assembly. Pull the

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 20 mm ECAM double cable

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

Note: Keep the short screw in location shown

5.3 Loosen the three screws to remove the cable

clamp from the bottom half of the of the 20 mm

ECAM double cable assembly using a 3/8-inch

(10 mm) nut driver.

78-8140-3820-0-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 cable gauge decal on 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™External Cable

Assembly Module (ECAM) Double Cable Entry Port

ECAM-20 mm-D. This information can be recorded

in the log below.

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 the gauge indicates ‘NONE’

in the shell column.

Note: If two different-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.

878-8140-3820-0-B

7.0 Cable Clamp Shell Selection

7.1 Locate the 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 them into

sets.

7.3 Note the orientation of pin and socket and

assemble as shown.

7.4 Assemble the clamp shell(s) into the cable

clamp. Note the orientation of pin and socket

and assemble accordingly.

78-8140-3820-0-B

7.5 Assemble the clamp shell(s) onto the bottom

half of the cable housing. Note the orientation

of the pin and socket and assemble accordingly.

Note: Different-sized cables may require different-

sized clamps. Ensure that the correct clamp

set matches the cable when assembling in the

bottom housing and the cable clamp.

8.0 Cable Seal Installation

8.1 First clean the cable sheath thoroughly using an

alcohol wipe. Make sure the cable sheath is free

of any grease or dirt.

Note: Carefully follow health, safety and environmental

instructions as given on the Material Safety Data

Sheet for the alcohol wipe.

Scuff the first 3" of each cable sheath using

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 labeled on the washer as shown below. 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 78-8140-3820-0-B

Mastic Collar Build

8.3 Mark the 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 the notch for

installation over the cable.

8.5 Install two washers on each cable near the

sheath end as shown..

8.6 Unroll the 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).

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