MSA FireHawk M7 Manual de usuario

Product Information

News June 13, 2013

INSPECTING SCREWS ON THE FIREHAWK® M7RESPONDER FACEPIECE CLEARCOMMAND® BRACKET

During the next scheduled flow test for each of your FireHawk

M7 Responder SCBA, please perform the following inspection.

NOTE: Access the screws that retain the ClearCommand micro-

phone to the mounting bracket by removing the

ClearCommand mounting bracket from the FireHawk M7

Responder Facepiece.

Removing the Mounting Bracket

1. Using a Phillips screw

driver, remove the lens

ring screw.

2. Using a Phillips screw

driver, remove the

component housing

ring screw.

3. Remove the external

drinking tube assembly

from the retainer.

4. Pull the coupling from

the external drinking

tube.

5. Using a Phillips screw

driver, remove the two

component housing

cover screws.

6. Pull the component housing cover from the facepiece.

a. Grasp the speaking

diaphragm retaining

ring with one hand.

b Grasp the component

housing cover by the

drinking tube flange

` with the other.

NOTE: Be careful not to lose or damage the exhalation valve

spring.

MSA 316 (L) Rev. 0 © MSA 2013 Print Spec. 10000005389 (A) Mat. 10149429

Doc.10149429

INSPECTING SCREWS ON THE CLEARCOMMAND BRACKET

7. Pull the drinking tube

through the component

housing cover.

8. Slide the bracket off the

facepiece.

9. Locate the two screws that hold the microphone

connection to the bracket.

a. Verify the screws are

not loose or missing.

Use fingers to test the

tightness of both

screws.

b. If screws are loose or

missing replace both

screws with MSA P/N

10034748-SP2. Use a

screwdriver to ensure

screws are hand-tight.

Replacing the Mounting Bracket

1. Slide the bracket onto the facepiece.

a. Align the screw holes.

2. Align the upper tab to the screw holes in the upper lens

ring.

a Using a Phillips screw

driver, tighten the lens

ring screw.

3. Pass the external drinking

tube through the

component housing

cover.

NOTE: Verify that the exhalation valve is installed.

4. Carefully insert the tab

into the slot in the lower

lens ring.

MSA 136 (L) Rev. 0 - 10149429

INSPECTING SCREWS ON THE CLEARCOMMAND BRACKET

5. With one hand inside the

facepiece firmly press the

component housing and

cover together until they

lock.

a. Install the Phillips head

screws and tighten.

6. Install the drinking tube coupling.

a. Lubricate the barb

with Snoop, P/N

600920.

b. Insert the coupling

into the external

drinking tube ½”.

c. Stow the external

drinking tube

coupling.

NOTE: To reduce snag hazards, stow the tube under the

flange.

7. Use a Phillips screwdriver

to install the component

housing ring screw.

MSA will supply screws at no charge. Order screws by contact-

ing customer service at 1 877-672-3473.

Please provide MSA with the number of screw replacment kits

(2 screws per kit; 2 screws per facepiece) and a physical

address (for US Postal Service delivery).

3MSA 136 (L) Rev. 0 - 10149429

Flange

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