SECTION 4—SEAT ASSEMBLY
Part No 1118377 33 Pronto® M71™
*NOTE: This mounting hole combination would result in a forward seat dump (the rear of the seat
is higher than the front of the seat). The seat should never be adjusted to a position that results in
a forward seat dump.
**NOTE: This mounting hole combination will cause interference between the front riggings and/
or the ASBA seat frame and wheelchair base. DO NOT use this mounting hole combination.
Removing/Installing the Adjustable Height Tubes
NOTE: For this procedure, refer to FIGURE4.3.
NOTE: Reverse this procedure to install the adjustable height tubes.
1. Remove the seat assembly. Refer to Removing/Installing the Seat Assembly on
page 30.
2. Remove the desired side shroud from the wheelchair. Refer to Removing/Installing
the Shrouds on page 74.
3. Remove the mounting screw and locknut securing the front adjustable height tube to
the front support tube.
4. Remove the front adjustable height tube from the front support tube.
5. Remove the mounting screw and locknut securing the rear adjustable height tube to
the rear support tube.
ASBA SEAT WITH FOOTBOARD
OR FRONT RIGGINGS (NON-HEMI OR HEMI) ABCDE
Rear Adjustable Height Tube
Mounted in hole A N/A** N/A** N/A** N/A** N/A**
Mounted in hole B N/A* 
Mounted in hole C N/A* N/A* 
Mounted in hole D N/A* N/A* N/A* 
Mounted in hole E N/A* N/A* N/A* N/A*
WHEELCHAIR EQUIPPED WITH: AVAILABLE MOUNTING HOLES FOR
FRONT ADJUSTABLE HEIGHT TUBE