firehawk m7 carrier and harness assembly

FireHawk® M7Carrier and HarnessAssemblyMAINTENANCE AND REPAIR

TAL 8012 (L) Rev. 2 © MSA 2008 Prnt. Spec. 10000005389(I) Mat. 10093081Doc. 10093081

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REPLACEMENT KITS AND PARTS LIST

Replacement Kits

FireHawk M7 Carrier w/Labels (2216 psi/3000 psi)

10090852

10083436 Carrier Assembly10084688 ID Label805430 Cylinder Band Label

NIOSH LabelCBRN LabelNFPA Label

10087293 FireHawk M7 Logo LabelFireHawk M7 Carrier w/Labels (4500 psi)

10090853

10083436 Carrier Assembly10084688 ID Label805265 Cylinder Band Label

NIOSH LabelCBRN LabelNFPA Label

10087293 FireHawk M7 Logo LabelChest Strap Replacement Kit

10012167818380 Left Chest Strap818379 Right Chest Strap

Strap and Belts10048173 10048173 Left Shoulder Strap818381 818381 Right Shoulder Strap10012167 10012167 Chest Strap818378 818378 Left Double Pull Strap818377 818377 Right Double Pull Strap10083134 10083134 Swiveling Lumbar Pad10025941 10025941 Left Double Pull Belt10025942 10025942 Left Single Pull Belt (Not Shown)818374 818374 Right Pull Belt10022245 10022245 Belt Mount

AIRM

ASKMASK

XXXXXX

XXXXXX

XXXX

XX

XXXXXX

2

10

1

4a4

3

7

5 6

8

1a

119 12

13

14

TAL 8012 (L) Rev. 2 - 100930813

FIREHAWK M7 CARRIER AND HARNESS ASSEMBLY


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DISASSEMBLY

Removing the Friction Pad

1. Remove the cylinder.2. Use a slot head screwdriver to unscrew the Friction

Pad screws.

Note: To ease access tothe screws, remove thePR14 Mounting Bracketand pass the screwdriverthrough the slot.

Removing the Right Shoulder Strap

1. Remove the M7 Control Module. See M7 ControlModule Repair and Maintenance (P/N 10093089) forInstructions.

2. Unlace the free end of the pull-strap from the frictionbuckle.

3. Remove the shoulderstrap by angling theTri-bar slide throughthe slot.

Removing the Left Shoulder Strap

1. Disconnect the secondstage regulator from theintermediate pressurehose.

a. If present, use an11/16” wrench toremove theExtendAire manifold.

b.Remove the o-ringand discard.

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Table of Contents

DisassemblyFriction Pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6Right Shoulder Strap . . . . . . . . . . . . . . . . . . . . . . . . . . .6Left Shoulder Strap . . . . . . . . . . . . . . . . . . . . . . . . . . . .6Chest Strap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7Waist Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7Swiveling Lumbar Pad . . . . . . . . . . . . . . . . . . . . . . . . . .7

ReassemblySwiveling Lumbar Pad . . . . . . . . . . . . . . . . . . . . . . . . . .7Waist Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7Chest Strap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8Left Shoulder Strap . . . . . . . . . . . . . . . . . . . . . . . . . . . .9Right Shoulder Strap w/Tether . . . . . . . . . . . . . . . . . . .9Friction Pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

2. Pull the first stageintermediate pressurehose through theshoulder strap.

3. Remove the pull-strap from the friction buckle.

Removing the Chest Strap

1. Unlace the ends of thechest strap from theslide buckles.

2. Pull the ends throughthrough the tunnels inthe chest straps.

Removing Waist BeltsRemove the waist pull-straps from the backplate byangling the tri-bar through the slots.

Removing the Swiveling Lumbar Pad

1. Remove the SwivelingLumbar Pad by anglingthe tri-bars through thebackplate slots.

REASSEMBLY

Installing the Swiveling Lumbar PadP/N 10083134

1. Position the Swiveling Lumbar Pad behind thebackplate with the curved edge up.

2. Angle the tri-barsthrough the slots.

Installing Waist BeltsLeft Double Pull Waist Belt: P/N 10025941Right Double Pull Waist Belt: P/N 818374

1. Angle the tri-bar strap through the slot.2. Tug on the belt to test the attachment.

3. From back to front,lace the free end of thepull-strap through thefriction buckle.

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4. Pass the strap over thebar and back throughthe buckle.

Installing the Chest StrapChest Strap Kit: P/N 10012167

Connect male and female ends of chest strap.

1. Extend the cheststraps.

2. Lay the unconnectedmale end under theright shoulder strap.

3. Lay the unconnected end of the male chest strapunder the left shoulder strap.

4. Pass the end throughthe tunnel in the strap.

5. Lace the strap throughthe slide buckle.

a. Lace the chest strapover the bar anddown through theslide buckle.

b. Pull the chest strapthrough.

6. Don the Carrier/Harness Assembly to check cheststrap installation.

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Installing the Left Shoulder StrapP/N 10048173

1. Install the shoulder strap by angling the tri-bar throughthe slot.

2. Tug on the shoulder strap to test the attachment.

4. Lace the free end ofthe pull-strap throughthe friction buckle.

a. Twist the strapclockwise one halfturn.

b. With the fold down,pass the strap fromback to front throughthe buckle.

c. Pass the strap overthe bar and backthrough the buckle.

d. Pass the first stageintermediate-pressurehose through thetunnel.

5. Reinstall theintermediate pressurehose to the M7ExtendAire manifold.

a. Install a new o-ring.b.Use a torque wrench with 11/16” crowfoot to

tighten the connector to 75 ± 5 in lbs.c. Ensure that the dust cover is properly attached.

6. Reconnect theintermediate-pressurehose.

a. Use a torque wrench with 11/16” crowfoot totighten the connector to 125 ± 5 in lbs.

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Installing the Right Shoulder StrapRight Shoulder Strap P/N 818381Tether P/N 10016029

1. Install the shoulderstrap by angling thetri-bar through the slot.

2. Tug on the shoulderstrap to test theattachment.

3. Install the tether.

a. Pass the frictionbuckle through thetether’s largeopening.

Note: If using the optionalchest strap install thetether above the cheststrap.

4. Lace the free end of the pull-strap through the frictionbuckle.

a. Fully extend theshoulder and pullstrap. Make sure thestraps are untwisted.

b. Twist the pull strapcounterclockwiseone-half turn.

c. With the fold down,pass the strap fromback to front throughthe buckle.

d.Pass the strap overthe bar and backthrough the buckle.

e. Reinstall the M7 Control Module. (See M7 ControlModule Maintenance and Repair for instructions.)

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Installing the Friction PadCylinder Friction Pad Kit P/N 10086667

1. Remove the cylinder.2. Position the new Friction Pad on the backplate.

Note: Ensure that theFriction Pad face slopestoward the center of thebackplate.

3. Insert T-nuts throughthe holes.

4. Insert screws.

5. Use a slot head screwdriver to tighten the Friction Padscrews.

Note: To ease access tothe screws, remove thePR-14 Mounting Bracketand pass the screwdriverthrough the slot.

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firehawk m7 carrier and harness assembly

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