Britax MARATHON 70 User Manual Download | Manualshive

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WARNING!

DO NOT place child seat rear-facing in the

front seat of a vehicle with a passenger

air bag unless deactivated. DEATH or

SERIOUS INJURY can occur. See your

vehicle owner’s manual for child seat

installation instructions. The back seat is

the safest place for children 12 and under.

Some vehicles have no seating positions which are compatible

with this child seat. If in doubt, contact the vehicle manufacturer

for assistance.

Forward-facing vehicle seats MUST be used with this child

seat. Side-facing or rear-facing seats CANNOT be used. See

the diagram below.

Vehicle Seating Positions

Vehicle Compatibility

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Summary of Contents for MARATHON 70

Page 1: ...Marathon TM 70 User Guide IMPORTANT Thoroughly read and follow all instructions before installing this child seat Store this user guide in the pocket behind the cover See features pages for reference ...

Page 2: ......

Page 3: ... Height Adjustment 16 Adjusting Buckle Position 17 Fastening the Buckle 18 Releasing the Buckle 18 Using the Chest Clip 18 Using the Lock Offs 19 Infant Body Pillow 19 Recline Positions 20 Using Lower Anchors and Tethers for Children LATCH 22 Using the Lower Connectors 23 Using the Versa Tether 24 Rear Facing Installation 28 LATCH Installation 28 Lap Shoulder Belt Installation 32 Lap Belt Installa...

Page 4: ... system if available or with a vehicle seat belt Follow all instructions on this child restraint and in the written instructions located in the pocket behind the cover Register your child restraint with the manufacturer This child seat must be reclined to position 3 when installed rear facing see page 20 Use the inner buckle slot when installed rear facing Use the outer buckle slot when installing...

Page 5: ... Always carry this child seat by its shell or tether straps The primary protection for occupants of a vehicle in a collision is the body of the vehicle itself a child seat will not protect a child when a vehicle is seriously impacted However correctly installed a child seat will substantially improve chances for survival in most crashes Make sure all users fully understand the correct ways to use ...

Page 6: ...irect sunlight Metal parts of child seat could become hot enough to burn a child Store the child seat in a safe place when it is not being used Avoid placing heavy objects on top of it Do not leave children alone in a vehicle even for a short time Do not except as described in this booklet attempt to disassemble any part of the child seat or change the way the harness or vehicle s seat belts are u...

Page 7: ...n PA 18109 9925 or call 1 888 427 4829 or register online at www Britax com registration For recall information call the U S Government s Vehicle Safety Hotline at 1 888 327 4236 TTY 1 800 424 9153 or go to http www NHTSA gov For your convenience record all the information about your child seat below Refer to the Serial Number Manufactured Date Label for all information see page 15 Model Name and ...

Page 8: ...snug fit if the child is under 12 lbs and the lowest harness slots fall above the infants shoulders The Infant positioning insert is sold separately at select retailers and on www britaxusa com Britax advises that parents strongly consider the following when using this child seat Children should be secured with a harness system until they exceed the weight or height limits specified Britax recomme...

Page 9: ...ar of age Use forward facing only with children who are at least one year of age and who weigh between 20 and 70 lbs 9 1 31 8 kg and who are 49 in 124 5 cm or less in height and when the top of the ears are below the top of the child seat shell or when the harness straps are at or above the child s shoulders parallel to level ground Fig B IMPORTANT When using position 2 it may be necessary to adju...

Page 10: ...about your vehicle seat belts and their use with child seats Lap Shoulder 3 Point Belt 1 ALR Automatic Locking Retractor with Sliding Latch Plate a Has a latch plate that freely slides along the vehicle seat belt webbing b Has a retractor that stops the belt from being pulled out again once the belt webbing has been pulled out at least 24 in 61 cm c Tightens by feeding the belt webbing back into t...

Page 11: ...remain unlocked b Has a retractor that locks only in an emergency situation such as sudden stop or crash 3 Switchable Retractor in ALR Mode with Sliding Latch Plate a Has a latch plate that freely slides along the vehicle seat belt webbing b Has a retractor that can be switched to function as an ALR Pull the belt all the way out of the retractor to set the automatic locking function To use a child...

Page 12: ... IMPORTANT This belt type requires the use of the lock offs built into the seat for rear and forward facing installations See page 19 for information on using the lock offs Lap Belt 5 ALR Automatic Locking Retractor a Has a latch plate that is sewn into the webbing b Has a retractor that stops the belt from being pulled out again once the belt webbing has been pulled out at least 24 in 61 cm Vehic...

Page 13: ...eeding the belt webbing back into the retractor 6 Locking Latch Plate a Has a latch plate that prevents the webbing from becoming loose b Tightens by pulling on the belt webbing Vehicle Compatibility Adjuster Latch plate ...

Page 14: ...al for information on installing a car seat in your vehicle 1 Lap shoulder belts with top or bottom anchor points on the vehicle door 2 Motorized automatic vehicle seat belts 3 Lap shoulder belts that have a separate retractor each for the lap section and shoulder section 4 Inflatable lap shoulder belts 5 Lap belts forward of the vehicle seat bight 6 Lap belts with a sewn in latch plate that have ...

Page 15: ...stallation instructions The back seat is the safest place for children 12 and under Some vehicles have no seating positions which are compatible with this child seat If in doubt contact the vehicle manufacturer for assistance Forward facing vehicle seats MUST be used with this child seat Side facing or rear facing seats CANNOT be used See the diagram below Vehicle Seating Positions Vehicle Compati...

Page 16: ...Connector Adjuster Release Button LATCH component 10 Lower Connector Adjuster LATCH component 11 Lower Connector Release Button LATCH component 12 Lower Connector LATCH component 13 User Guide Storage in pocket behind cover 14 HUGS Harness Ultra Guard System Chest Pads 15 Chest Clip 16 Harness Buckle Child Seat Features 13 14 15 16 17 18 19 20 1 2 3 5 4 6 7 8 9 10 11 12 ...

Page 17: ...orward Facing Belt Slot 25 Forward Facing Lock Offs Red under cover on front of shell 26 Rear Facing Lock Offs Blue under cover on front of shell 27 Rear Facing Belt Slot 28 Base 29 Versa Tether Top Anchorage Strap LATCH component 30 Harness Yoke 31 Harness Straps 32 Lower Connector Storage 33 Versa Tether Carry Clip Child Seat Features 29 31 30 32 33 1 22 21 24 25 26 23 27 7 28 ...

Page 18: ... adjuster slide the harness into the desired position and release Ensure the harness has locked into position NOTE In rear facing mode always position the harness straps at or below your child s shoulders See page 6 In forward facing mode always position the harness straps at or above your child s shoulders See page 7 Child Seat Functions b a ...

Page 19: ... red release button faces out IMPORTANT ALWAYS position the buckle in the inner slot for rear facing use The vehicle belt must pass in front of the buckle strap for rear facing use NEVER leave the buckle in the adjustment slot Use the outer buckle slot when installing the child seat forward facing with a child weighing 30 lbs 13 6 kg and above or if the buckle is under the child in the inner posit...

Page 20: ... buckle tongue Releasing the Buckle Press the release button and pull the tongues from the buckle NOTE Periodically clean the buckle to ensure proper operation See Page 62 Using the Chest Clip 1 Open the chest clip a Press tabs b Pull apart 2 Push together to fasten NOTE Always position the chest clip at armpit level Child Seat Functions ...

Page 21: ...mb along the locking tab until a click is heard To Close Infant Body Pillow The infant body pillow is designed to provide better fit and comfort for infants using this child seat Fold the flaps in for additional side support NOTE Remove the infant body pillow after child can sit comfortably in the child seat without additional support Child Seat Functions LOCKING TAB CLAMP 1 2 LOCKING TAB CLAMP 1 ...

Page 22: ... in the rear facing position the child seat should be reclined at least 30 from vertical for children and up to 45 from vertical for infants unable to maintain head and neck control not to exceed 45 when the car is parked on a level surface When installing the seat in rear facing mode recline the seat to position 3 and use the guide line on the child seat to help achieve an acceptable recline angl...

Page 23: ... Unacceptable overhang Child Seat Functions UP TO 3 INCHES OF OVERHANG ACCEPTABLE OVER 3 INCHES OF OVERHANG NOT ACCEPTABLE WARNING In some cases the vehicle head restraint can prevent the child seat head pad from being raised high enough to properly adjust the harness for the fit of your child when using a forward facing reclined position DO NOT force the child seat head pad past the vehicle head ...

Page 24: ...a vehicle Check your vehicle owner s manual to learn if it is equipped with LATCH the maximum weight rating for the lower anchors and for information on the lower anchor locations and seating positions available for use with this child seat Standard vehicle seat spacing between LATCH anchors is 11 inches 27 9 cm This child seat can be used in a seating position with up to 20 inches 50 8 cm of spac...

Page 25: ...move the lower connector from the storage slot or lower anchor 1 Press and hold the red release button 2 Pull the lower connector from the storage slot or lower anchor To attach the lower connector to the storage slot or lower anchor Firmly push the lower connector into the slot or lower anchor until a click is heard NOTE The lower connectors store top down in the slots Child Seat Functions Top ...

Page 26: ...ore the Versa Tether in the pouch on the back of the child seat when not in use DO NOT install the child seat with the Versa Tether attached to the carry clip Using the Versa Tether Tether anchor locations vary from vehicle to vehicle Check your vehicle owner s manual and look for the tether anchor symbol shown in the diagram to help identify where the top tether anchor points are located in your ...

Page 27: ...floor If you cannot find a location to create an anchor point contact the vehicle manufacturer to identify a tether connection point 2 Route the strap through the anchor point 3 Thread the metal D ring through the loop on the end of the strap 4 Pull the metal D ring through until the strap is tight 5 Use the D ring as an attachment point for the tether NOTE Store the tether connector strap in the ...

Page 28: ...sure any excess webbing is contained within your vehicle To attach the Versa Tether to the carry clip or tether anchor 1 Firmly press the hook over the carry clip or tether anchor point 2 Pull the loose end of the webbing to remove slack from the Versa Tether NOTE When using as a carry strap tighten until the strap is comfortable to carry To remove the Versa Tether from the carry clip 1 Loosen the...

Page 29: ...ack of the seat Figures 2 and 3 show examples of when the tether has been damaged and is unacceptable for continued use If one or both of the loops have pulled through the back of the shell and or any of the colored stitching has ripped the child seat is no longer acceptable for use IMPORTANT Discontinue use of child seat if it has been involved in a moderate or severe crash regardless of whether ...

Page 30: ...y installed in the rear facing position the back angle of the child seat should be at least 30 for children and up to 45 from vertical for infants unable to maintain head and neck control not to exceed 45 when the car is parked on a level surface Use the blue line as a guide to achieve the proper recline angle for rear facing installations The blue line will be parallel to the ground when the chil...

Page 31: ...29 Install with LATCH as shown above IMPORTANT The buckle should be in the inner slot for rear facing installation Rear Facing Installation ...

Page 32: ... lower anchors NOTE If a click is not heard when connecting either lower connector the lower connector strap may be twisted or there may be debris in the lower connector Correct either situation before continuing with the installation process 2 Push the child seat down while pulling each lower connector strap to tighten 3 Rear facing installations can be improved by the use of the Versa Tether see...

Page 33: ...ferent seating location 9 Check that the back angle of the child seat is 30º 45º from vertical not to exceed 45º when the car is parked on a level surface If necessary the proper recline angle can be achieved by placing a rolled towel or pool noodle in the vehicle seat bight Rear Facing Installation Check lower connector attachments Check that the child seat is reclined to position 3 Check that th...

Page 34: ...should be at least 30 for children and up to 45 from vertical for infants unable to maintain head and neck control not to exceed 45 when the car is parked on a level surface Use the blue line as a guide to achieve the proper recline angle for rear facing installations The blue line will be parallel to the ground when the child seat angle is at the center of the angle range 30 45 If necessary the p...

Page 35: ...shoulder belt as shown above IMPORTANT The harness buckle strap should lie toward the back of the child seat during installation The buckle should be in the inner slot for rear facing installation Rear Facing Installation ...

Page 36: ...e locking tab b Open the clamp 5 Route the vehicle belt through the rear facing belt slots then buckle Ensure the vehicle belt is not twisted 6 Push down into the middle of the child seating area with moderate force while removing all slack from the bottom lap part of the vehicle belt and close the lock off a Close the clamp over the vehicle belt b Slide your palm or thumb along the locking tab un...

Page 37: ...hen the car is parked on a level surface If necessary the proper recline angle can be achieved by placing a rolled towel or pool noodle in the vehicle seat bight 8 Rear facing installations can be improved by the use of the Versa Tether see pages 24 27 9 Pull the buckle up through its appropriate slot in the cover 10 Replace the cover and the belly pad Check buckle connection Check that the child ...

Page 38: ...e car is parked on a level surface Use the blue line as a guide to achieve the proper recline angle for rear facing installations The blue line will be parallel to the ground when the child seat angle is at the center of the angle range 30 45 If necessary the proper recline angle can be achieved by placing a rolled towel or pool noodle in the vehicle seat bight Britax recommends that the Versa Tet...

Page 39: ... IMPORTANT The harness buckle strap should lie toward the back of the child seat during installation DO NOT use lock offs for lap belt installations The buckle should be in the inner slot for rear facing installation Rear Facing Installation ...

Page 40: ...e rear facing belt path 4 Route the vehicle seat belt through the rear facing belt slots then buckle Ensure the vehicle belt is not twisted 5 Push the child seat down while pulling the vehicle belt to remove all slack see pages 10 11 6 Rear facing installations can be improved by the use of the Versa Tether see pages 24 27 7 Pull the buckle up through its appropriate slot in the cover 8 Replace th...

Page 41: ...cation 9 Check that the back angle of the child seat is 30º 45º from vertical not to exceed 45º when the car is parked on a level surface If necessary the proper recline angle can be achieved by placing a rolled towel or pool noodle in the vehicle seat bight Check buckle connection Check that the child seat is reclined to position 3 Check that there is LESS than 1 in 2 5 cm of movement front to ba...

Page 42: ...ector strap to full length Repeat for the second strap Remove the Versa Tether from the pouch and place it up and over the child seat back Britax recommends that the Versa Tether is used at all times Using the tether will improve the stability of the child seat and reduce the risk of injury Check your vehicle owner s manual for tether anchor locations Only attach the Versa Tether to anchor points ...

Page 43: ...ildren less than one year of age OR who weigh less than 20 lbs 9 1 kg Some vehicle head restraints may obstruct the harness adjuster from reaching the highest position If this is the case you may need to raise or remove the vehicle head restraint DO NOT force the child seat head pad past the vehicle head restraint Doing so could cause the child seat not to perform as intended Forward Facing Instal...

Page 44: ...a click is not heard when connecting either lower connector the lower connector strap may be twisted or there may be debris in the lower connector Correct either situation before continuing with the installation process 2 Push the child seat down while pulling each lower connector strap to tighten 3 Attach the Versa Tether to a designated anchor see vehicle owner s manual and remove slack 4 Store ...

Page 45: ...secure repeat installation or use a different seating location 9 Check that any excess Versa Tether webbing is contained within your vehicle and secured in the elastic strap Forward Facing Installation Check Versa Tether Top Tether attachment Check that no more than 20 or 3 inches 7 6 cm of the base hangs over the edge of the vehicle seat Check that Versa Tether Top Tether webbing is stored in the...

Page 46: ...d over the child seat back Britax recommends that the Versa Tether is used at all times Using the tether will improve the stability of the child seat and reduce the risk of injury Check your vehicle owner s manual for tether anchor locations Only attach the Versa Tether to anchor points designated to the chosen seating position as indicated by your vehicle owner s manual This child seat must be in...

Page 47: ...for children less than one year of age OR who weigh less than 20 lbs 9 1 kg Some vehicle head restraints may obstruct the harness adjuster from reaching the highest position If this is the case you may need to raise or remove the vehicle head restraint DO NOT force the child seat head pad past the vehicle head restraint Doing so could cause the child seat not to perform as intended Forward Facing ...

Page 48: ... Ensure the vehicle belt is not twisted 6 Push down into the rear of the child seating area with moderate force while removing all slack from the bottom lap part of the vehicle belt and close the lock off a Close the clamp over the vehicle belt b Slide your palm or thumb along the locking tab until a click is heard see page 19 7 Push the child seat down while pulling the top shoulder part of the b...

Page 49: ...ing location 9 Check that any excess Versa Tether webbing is contained within your vehicle and secured in the elastic strap 9 Store excess webbing in the elastic strap 10 Replace the cover Forward Facing Installation Check Versa Tether Top Tether attachment Check that there is LESS than 1 in 2 5 cm of movement front to back or side to side at the belt path Check buckle connection Check that no mor...

Page 50: ... improve the stability of the child seat and reduce the risk of injury Check your vehicle owner s manual for tether anchor locations Only attach the Versa Tether to anchor points designated to the chosen seating position as indicated by your vehicle owner s manual This child seat must be in position 1 or 2 and placed forward facing on the vehicle seat Ensure that no more than 20 or 3 inches 7 6 cm...

Page 51: ...not be used forward facing for children less than one year of age OR who weigh less than 20 lbs 9 1 kg Some vehicle head restraints may obstruct the harness adjuster from reaching the highest position If this is the case you may need to raise or remove the vehicle head restraint DO NOT force the child seat head pad past the vehicle head restraint Doing so could cause the child seat not to perform ...

Page 52: ... facing belt path 5 Push the child seat down while pulling the vehicle belt to remove all slack see pages 10 11 6 Attach and remove slack from the Versa Tether if an anchor point is available 7 Store excess webbing in the elastic strap 8 Replace the cover 4 Route the vehicle seat belt through the forward facing belt slots then buckle Ensure the vehicle belt is not twisted Forward Facing Installati...

Page 53: ...allation or use a different seating location 9 Check that any excess Versa Tether webbing is contained within your vehicle and secured in the elastic strap Forward Facing Installation Check Versa Tether Top Tether attachment Check buckle connection Check that no more than 20 or 3 inches 7 6 cm of the base hangs over the edge of the vehicle seat Check that Versa Tether Top Tether webbing is stored ...

Page 54: ...ng on an aircraft Install your child seat in a window seat to avoid blocking the aisle Rear Facing Installation For rear facing aircraft installation Fig A follow Rear Facing Lap Belt Installation instructions on pages 36 39 Forward Facing Installation For forward facing aircraft installation Fig B follow Forward Facing Lap Belt Installation instructions on pages 48 51 If the aircraft lap belt is ...

Page 55: ...ring Remove bulky coats and or jackets before putting the child in the child seat The HUGS chest pads must be used at all times when installing the child seat forward facing Verify that the child seat is secure and the harness is properly adjusted around the child each time the child seat is used Before You Begin Follow the instructions on pages 16 and 17 to make the proper adjustments to the harn...

Page 56: ...uckle and attach the harness straps to the harness holders 4 Place the child in the child seat Ensure the child is positioned upright in the child seat and not slouching Their bottom must touch the child seat and their back must rest flat against the back of the child seat 5 Position the harness straps around the child Securing Your Child 1b 1a 3 2a 2b ...

Page 57: ...sagging It does not press on the child s flesh or push the child s body into an unnatural position You should not be able to pinch excess 9 Fasten the chest clip The correct height for the chest clip is at the middle of the chest at armpit level The HUGS chest pads may be placed in any position that is comfortable for the child within the range of the correctly placed chest clip 55 55 55 Checklist...

Page 58: ...GS chest pads from the harness straps 1 Loosen the harness a Lift release lever b Pull both harness straps forward 2 Open the chest clip a Press tabs b Pull apart 3 Unbuckle the harness 4 Remove the infant body pillow if necessary 5 Remove the belly pad from the harness buckle a Pull the buckle through the belly pad b Remove the elastic strap from around the buckle Care and Maintenance 2a 2b 1b 1a...

Page 59: ...e harness 9 Detach the plastic hooks from the bottom edge of the child seat 10 Adjust the harness to the lowest position 11 Detach the plastic hooks from the back of the child seat shell 7 Detach the elastic straps from the tabs behind the harness adjustment handle 8 Remove the head pad Care and Maintenance 6 9 7 10 ...

Page 60: ...58 12 Pull the buckle through the slot in the cover Care and Maintenance 13 Remove the cover from the child seat shell 13 ...

Page 61: ...from shrinking DO NOT Bleach Machine wash Machine dry Iron Cleaning the Harness SPONGE CLEAN the harness using warm water and mild soap TOWEL DRY DO NOT Disassemble the harness Bleach Machine wash Machine dry Iron Cleaning the Shell SPONGE CLEAN the shell using warm water and mild soap TOWEL DRY DO NOT use abrasive cleaners ...

Page 62: ...the plastic hooks to the bottom edge of the child seat Care and Maintenance 2 Attach the plastic hooks on the cover to the back of the child seat shell 4 Pull the buckle through the slot in the cover Ensure that the buckle is through the correct cover slot for the buckle position 1 2 3 ...

Page 63: ...e elastic straps to the tabs behind the harness adjustment handle Care and Maintenance 6 Attach the hook and loop fasteners on the head pad around the harness 7 Replace the belly pad a Pull the elastic strap around the buckle b Push the buckle through the belly pad 5 6 a b ...

Page 64: ...s while in the child seat you will need to check the buckle periodically and rinse out any accumulated debris Remove the Buckle 2 Turn the buckle webbing and slide it between buckle positions 1 Unbuckle the harness Remove the belly pad and pull the buckle through the cover ...

Page 65: ...to remove To Clean THOROUGHLY RINSE the buckle using warm water TEST THE BUCKLE by fastening and unfastening until a click is heard after inserting each buckle tongue If clicks are not heard repeat the cleaning procedure TOWEL DRY DO NOT Soak Lubricate Use solvents Use soap or household detergents ...

Page 66: ...nto the chosen slot 4 Ensure that the buckle strap is not twisted and that the button faces out IMPORTANT ALWAYS position the buckle in the inner slot for rear facing use The vehicle belt must pass in front of the buckle strap for rear facing use NEVER leave the buckle in the adjustment slot Use the outer buckle slot when installing the child seat forward facing with a child weighing 30 lbs 13 6 k...

Page 67: ... Possible Solution The vehicle seat back may hinder harness adjustment Ensure the child seat base is flat on the vehicle seat Possible Solution The harness may be at maximum or minimum height the harness may be too tight to adjust or the child s weight may be pressing against the head pad Check for and correct all of the above where necessary and try adjusting the harness again Problem The adjuste...

Page 68: ... tightening devices is not approved by Britax Their use could cause this child seat to fail Federal Motor Vehicle Safety Standards or not perform as intended 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 or the retailer...

Page 69: ...67 ...

Page 70: ...Britax Child Safety Inc 13501 South Ridge Drive Charlotte NC 28273 USA A Britax Childcare Group Limited company Tel 1 888 427 4829 www Britax com ...

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