SECTION 4—SEAT ASSEMBLY
Part No 1118377 35 Pronto® M71™
Adjustable ASBA Seat Service Procedures
Removing/Installing the Seat Pan
NOTE: For this procedure, refer to FIGURE 4.4.
Removing
1. Remove the seat cushion.
2. Remove the two socket screws securing
the seat pan to the seat frame.
3. Remove the seat pan from the seat
frame.
Installing
1. Position the new seat pan onto the seat
frame as shown.
2. Secure the new seat pan to the seat
frame using the two socket screws.
3. Install the seat cushion.
FIGURE 4.4 Removing/Installing the Seat
Pan
Adjusting the Seat Width
NOTE: For this procedure, refer to FIGURE 4.5 on page 36.
NOTE: The seat width can be adjusted from 16 to 20 inches.
NOTE: The spreader bar must be replaced for seating systems ordered with the BPO (Back Post
Only) option.
1. If necessary, remove the spreader bar. Refer to Removing/Installing the Spreader Bar
on page 43.
2. Remove the hex screw and coved washers securing each crossbar to the seat frame.
3. Pull/push the side rails to the desired width shown in the following table.
Seat
Pan
Seat
Frame
Socket
Screw
Seat Width Mounting Holes
SEAT
WIDTH
SIDE RAIL MOUNTING HOLES*
16-INCH
17-INCH
*NOTE: Only right side rail shown. Use the same mounting hole for opposite side rail.
