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Adjusting Harness Height

Checking Harness Height

31

30

Harness Height Adjustment

Loosen harness by lifting harness adjuster 

lever while pulling shoulder straps forward 

as far as possible (

Fig. A

) .

From  rear  of  child  restraint,  unhook 

shoulder harness from yoke (

Fig. B

) .

Pull  straps  through  shell  and  cover,  to 

front of the restraint .

NOTE: 

Do  not  remove  HUGS  pads  for 

forward-facing  use .  Removal  of  HUGS  is 

optional for rear-facing use only .

Thread harness straps through appropriate 

harness-height slots (

Fig. C

) .

Reattach harness straps to yoke (

Fig. B

) .

Pull  harness  adjuster  strap  to  tighten 

harness .
Verify 

all  straps  are  threaded  at  same 

height and are not twisted .

1�

2�

3�

4�

5�
6�

7�

To Check Harness Height:

Place  child  in  restraint,  then  secure 

harness (

see pages 28–29

) .

Observe  where  the  shoulder  harness  is 

positioned on the child .

• 

Rear-Facing  Strap  Height:

  Harness 

straps should be located in the nearest 

slot at or below the child’s shoulder .

• 

Forward-Facing Strap Height:

 Harness 

straps should be located in the nearest 

slot at or above the child’s shoulder .

If harness height is okay, continue using 

child  restraint  without  adjustment .  If 

harness height requires adjustment, refer 

to 

Adjusting  Harness  Height

  on  page 

31 .

IMPORTANT: 

Once  the  top  slots  become 

necessary,  the  child  may  continue  to  use 

the  restraint  until  the  top  of  the  ears 

become level with the top of the restraint 

shell or child’s weight exceeds 65 pounds 

(29 .5 kg) .

1�

2�

3�

Forward Facing

Strap Height

Rear Facing

Strap Height

Forward Facing

Strap Height

Rear Facing

Strap Height

A

B

C

Summary of Contents for Britix Marathon

Page 1: ...Marathon User Guide ...

Page 2: ...n 16 17 Forward Facing Lap Shoulder Belt Installation 18 19 Forward Facing Lap Belt Installation 20 Switching the LATCH Connectors 21 Installation In Aircraft 22 Versa Tether 23 25 Checking Buckle Position 26 Recline Adjustment 26 Using the Buckle 27 Using the Chest Clip 27 Securing Your Child 28 29 Checking Harness Height 30 Adjusting Harness Height 31 Care and Maintenance 32 35 Warranty 36 This ...

Page 3: ... use of a child restraint that is older than six years or has been in a severe crash to prevent injury due to deterioration or hidden damage This child restraint must not be used in the home in boats or other non certified applications Based on crash statistics the National Highway Traffic Safety Administration recommends that parents select the rear seat as the safest location for a properly inst...

Page 4: ...atched In the event of a sudden stop a loose seat back could prevent the child restraint from protecting the child as well as it should Do not allow children to play with the child restraint Do not use anything to raise the restraint off the vehicle seat In an crash it could slide and may not protect the child as well as it should This child restraint system conforms to all applicable Federal moto...

Page 5: ...er 1 2 3 4 5 6 7 Buckle Belly Pad Perma Book under cover Harness Adjuster Strap LATCH Connector Recline Handle LATCH Adjuster 8 9 10 11 12 13 LATCH Harness Cover Versa Tether Versa Tether Storage Pouch Forward Facing Lock off Harness Yoke 14 15 16 17 18 19 LATCH Connector Pouch under cover Belt Guard LATCH Bar Rear Facing Lock off Base 20 21 22 23 24 IMPORTANT When not in use this user guide shoul...

Page 6: ...section and the lap section Non locking Emergency Locking Retractor ELR two point vehicle belts Lap Shoulder ELR vehicle belts without the use of the built in lock offs The owner s manual for your vehicle will have information on the types of vehicle belts in your vehicle If your belt type is listed above select another seating position or use LATCH Lower Anchors and Tethers for Children connector...

Page 7: ... 2 3 4 5 6 7 Push the child restraint firmly into the vehicle seat while pulling each LATCH harness tight Fig E Verify all connections are secure and the restraint is stable The restraint is stable when it cannot be moved front to back or side to side more than 1 inch 2 5 cm at the belt path Installation can be improved by the use of the Versa Tether see pages 23 25 NOTE When properly installed in...

Page 8: ... lock off arm beyond its natural open position and always keep lock off closed when not in use If your vehicle is equipped with an automatic locking retractor ALR use of lock offs is not required as long as the ALR is activated Check your vehicle s owner s manual to determine the type of retractor your vehicle has 1 2 3 4 5 6 7 Verify that the vehicle belt is tight and the child restraint is stabl...

Page 9: ...nd always keep lock off closed when not in use 1 2 3 4 5 6 7 Installation Rear Facing If your vehicle is equipped with an automatic locking retractor ALR use of lock offs is not required as long as the ALR is activated Check your vehicle s owner s manual to determine the type of retractor your vehicle has Verify that the vehicle belt is tight and the child restraint is stable The restraint is stab...

Page 10: ...h the LATCH connectors as shown on pg 21 Rotate seat into forward facing position 1 2 3 4 5 6 Verify that LATCH harness is not twisted then loosely attach the remaining connector to the remaining LATCH anchor Fig D A positive click confirms attachment Kneel on the child restraint to push it into the vehicle seat while pulling each LATCH harness tight Fig E Verify that all connections are secure an...

Page 11: ...f attached Open lock offs then unbuckle and remove vehicle belt from belt path 6 7 8 Forward Facing Lap Shoulder Belt Installation Figure A illustrates the forward facing lap shoulder vehicle belt route When not in use always store the LATCH connectors in storage pouches sewn in cover above rear facing lock offs Place the child restraint forward facing on the vehicle seat Restraint must be in the ...

Page 12: ... of the Versa Tether see pages 23 25 Removal Release Versa Tether if used then reverse the above directions 1 2 3 4 5 Switching the LATCH Harness TheLATCHconnectorswillproperlyconnectwiththe vehicle s LATCH anchors only when the connectors are properly aligned and the harness is not twisted To ensure the LATCH connector is properly aligned the connector s red release button should face away from t...

Page 13: ...AINTINFORWARD FACING MODE ATTACH THE VERSA TETHER ONLY TO TETHER ANCHORS IDENTIFIED BY THE VEHICLE MANUFACTURER AS TETHER ANCHORAGE POINTS USE OF OTHER LOCATIONS IS NOT APPROVED OR PERMITTED Britax recommends that the tether be used at all times Using the tether will improve the stability of the child restraint and reduce the risk of injury Ifthevehicledoesnotcurrentlyhaveatetheranchorattachment r...

Page 14: ...odel is different sometimes you cannot find a location to properly anchor the tether or the structural part of the seat is too large for the hook Use the tether connector strap to assist in creating an anchor point fig D Find a fixed vehicle seat belt anchor or vehicle seat leg that is bolted to the floor to which the strap can be wrapped around If you cannot find an acceptable location to create ...

Page 15: ...de the restraint shell into the desired position Release the recline handle then verify that the child restraint has locked into position Recline Adjustment 27 Using the Buckle Fastening the Buckle Hold the buckle with one hand Use the other hand to insert one tongue at a time into the buckle Proper connection is confirmed with a positive click after inserting the second buckle tongue Releasing th...

Page 16: ... straps to tighten the lap section of the harness which should fit low on the child s body 1 2 3 4 5 6 7 Slowly pull the adjuster strap to tighten the harness around the child Fig E IMPORTANT Adjust the belts provided with this child restraint so they fit snugly around your child A snug strap should not allow any slack It lies in a relatively straight line without sagging It does not press on the ...

Page 17: ...6 7 To Check Harness Height Place child in restraint then secure harness see pages 28 29 Observe where the shoulder harness is positioned on the child Rear Facing Strap Height Harness straps should be located in the nearest slot at or below the child s shoulder Forward Facing Strap Height Harness straps should be located in the nearest slot at or above the child s shoulder If harness height is oka...

Page 18: ...itting the Cover To refit the cover reverse above directions Make sure that the shoulder straps are threaded through the chest clips and that the harness is not twisted 1 2 3 4 5 6 7 Cleaning the Cover HAND WASH using cold water and mild soap LINE DRY to prevent cover from shrinking DO NOT bleach machine wash machine dry or iron Cleaning the Shell SPONGE CLEAN using warm water and mild soap TOWEL ...

Page 19: ...and restraint shell Fig A Pull buckle away from restraint until tight then verify that the strap is not twisted and the release button is facing outward 1 2 3 4 5 1 2 3 Cleaning the Buckle If a child eats and drinks while in the restraint the buckle may need to be periodically checked and cleaned of any accumulated debris or dried liquids THOROUGHLY RINSE using warm water Fig B SOAK overnight if p...

Page 20: ... Inc covers inserts toys accessories or tightening devices is not approved by Britax Their use could cause this restraint to fail Federal Safety Standards or perform worse in a crash Their use automatically voids the Britax warranty LIMITATION OF DAMAGES The warranty and remedies as set forth above are exclusive and in lieu of all others oral or written express or implied In no event will Britax o...

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