Kaye C4C, User Manual

C4 and C4C KAYE CORNER CHAIRS 

(effective 2/26/03)

These are the user instructions for the C4 and 

C4C Kaye Corner Chairs. All persons who set-up or 
adjust the unit should first read these entire 
instructions. Please store these instructions for future 
reference. 
 
USE 
 

The Kaye Corner Chairs are designed for 

children who need support of the head, trunk, and 
pelvis in order to develop an upright sitting posture 
and to align the head and trunk. 
 
SIZES AND MODELS  
 

The corner chairs come in two sizes: the 

smaller C4 and larger C5. 
 

Optional casters can be added to both the C4 

and C5. With casters, the C4 becomes a C4C, and 
the C5 becomes a C5C.  
 
CORNER CHAIR IDENTIFICATION, AND SIZE 
AND WEIGHT LIMITS 
 

The model number is located on the warning 

label.  
 

The C4 or C4C is appropriate for users from 8 

months to 4 years old, up to 39 inches or 99 
centimeters tall, or who weigh up to 40 pounds or 18 
kilograms. 
 
BOX CONTENTS 
 

The following should be included in the 

shipping box:  
1 ea. Chair Assembly;  
2 ea. Head Cushions; and  
1 ea. Tray Assembly. 
 

If you ordered the chair with optional casters, 

the following should be included in the inner box: 
4  ea. Casters; 
16 ea. Bolts; and 

16 ea. Lock Washers. 
 
 
CASTER ATTACHMENT AND USE 
 

Attach, lock, and unlock the optional casters 

as follows: 

1.  Place a lock washer on each of the 16 bolts. 
2.  Turn the corner chair on its side so that you have 
access to the underside of the base. 
3.  Align the holes in each caster plate with the holes 
in each corner of the base. 
4.  Secure each caster in place with four of the bolts 
and washers, and securely tighten the bolts. 
5.  To lock the casters so that they will not roll, step 
on the metal brake that protrudes from each caster. 
Once this brake is rotated fully downward, it will 
prevent the wheel from rolling. 
6.  To unlock the casters, rotate the brakes upward. 
7.    The casters should be locked whenever the 
chair is not being intentionally moved. 
 
HEAD CUSHION ATTACHMENT AND 
ADJUSTMENT  
 

Position the head cushions to help keep the 

user’s head aligned. 
 

On the back of each chair side, there are two 

black knobs near the top edge. Use these knobs to 
secure the head cushions in place as follows: 
1.  Remove the knobs and washers to expose the 
protruding bolts. 
2.  Install each head cushion assembly so that the 
two bolts protrude through the slot in that assembly. 
As you install the assembly, orient the cushion 
towards the chair seat.  
3.  Reinstall a washer and black knob onto each bolt. 
4.  Tighten the knobs. 
5.  To adjust the height of the head cushion, loosen 
the knobs, reposition the cushion, and re-tighten the 
knobs.  
 
TRAY INSTALLATION 
 

Install the tray assembly as follows: 

1.  On the outside of each tray side is a block with a 
barrel bolt. To install the tray, rotate the barrel bolt 
latches upward and then outward so that the barrel 
bolts point towards the outside of the tray. 
2.  On the inside of the tray sides there are a few 
small, wooden blocks. Position the tray assembly on 
the front of the chair so that a set of these blocks