M61 Wheelchairs - Invacare Pronto M50 Service Manual

SECTION 6—VAN SEAT

M61 Wheelchairs

NOTE: For this procedure, refer to FIGURE 6.7 on page 55.
NOTE: Seat height can be increased by one or two inches. Use the chart to determine the desired
height of the seat.
INCREASE IN SEAT
HEIGHT
1 inch
2 inch
NOTE: A maximum of two sets of spacers can be installed.
1. Remove the seat. Refer to Removing/Installing the Seat Assembly on page 50.
2. Perform one of the following:
• For Standard Van Seats - Remove the four mounting screws, washers, and locknuts
securing the seat pivot and four 1-inch adjustment spacers to the seat mounting
bracket.
• For Office Style Van Seats - Remove the four mounting screws and washers securing
the seat pivot and four 1-inch adjustment spacers to the seat base.
3. Perform one of the following:
• To Reduce Seat Height by One Inch - Remove one set of 1-inch adjustment spacers
to achieve desired height.
• To Reduce Seat Height by Two Inches - Remove both sets of 1-inch adjustment
spacers to achieve desired height.
4. Perform one of the following:
NOTE: The seat comes installed with four 1-inch spacers secured by either 3-inch or 3½-inch
mounting screws. 1-inch, 2-inch, and 2½-inch mounting screws are supplied with the seat.
• For Seat Height Reduced by One Inch -
i. Align the mounting holes on the seat pivot with the mounting holes on the
adjustment spacers and either the seat mounting bracket on standard van seats
or the seat base on office style van seats.
ii. Install the seat adapter to seat base using the 2-inch mounting screws and
existing washers and locknuts (if required). Securely tighten.
• For Seat Height Reduced by Two Inches -
i. Align the mounting holes on the seat pivot with the mounting holes on the
adjustment spacers and either the seat mounting bracket on standard van seats
or the seat base on office style van seats.
ii. Install the seat adapter to seat base using the 1-inch mounting screws and
existing washers and locknuts (if required). Securely tighten.
5. Reinstall the seat. Refer to Removing/Installing the Seat Assembly on page 50.
Pronto® Series
SETS OF SEAT TOTAL NUMBER OF
SPACERS
1
2
LENGTH OF MOUNTING
SPACERS
2½-inches (Office Style Van Seat)
2
2-inches (Standard Van and ASBA Seat)
3½-inches (Office Style Van Seat)
4
3-inches (Standard Van and ASBA Seat)
54
SCREWS
Part No. 1125075