Unwin D Ring Loops User Operating Instructions Download Page 3

1.  Ensure that the wheelchair is appropriate for 

the tiedown being used. 

2.  To minimise the potential for head injuries in an 

impact, it is recommended to allow a clear 

space of at least 400 mm behind and 650 mm 

for 3 point systems or 950mm for 2 point 

systems in front of the head of the wheelchair 

user when positioning the chair for transit.  

A height provision ranging from 1200mm to 

1550mm should be made, depending on the 

size of the passenger. There should also be 

200 mm of clear space either side of the 

wheelchair centre line. if these clear space 

dimensions cannot be provided, then any 

object that protrudes into the wheelchair space should be well padded.   

3.  Electric wheelchairs may require an additional strap to secure the batteries. 

C. BEFORE USING THE RESTRAINT

 

1.  Position the webbing of the “D” ring loop around the 

 

attachment point, stick the webbing ends together using 

 

the Velcro (Fig 2) and fit the 

 

Karabiner hooks onto the two  

 “D” 

ring 

loops. 

2.  Repeat for the second position. 

3.  Tension the restraint system as 

 normal. 

D. FITTING THE D RING LOOPS

 

E. REMOVING AND STORING

 

1.  Unfasten the restraint system and remove Karabiner hook from the D Ring Loops. 

2.  Unfasten the Velcro and remove the D Ring Loop from the wheelchair frame. 

3.  Store the D rings safely off the floor to avoid damage and ensure that it would not  

become a projectile in an accident. This can be achieved by using wall mounted  

storage rails or a stowage box. 

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