Removing/Installing The Head Tube; Removing/Installing The Lower Pivot Link - Invacare TDXSPBASE Service Manual

SECTION 6—SIDE FRAME

Removing/Installing the Head Tube

NOTE: For this procedure, refer to FIGURE 6.2.
NOTE: Reverse this procedure to install the head tube.
1. Remove the two 1/2-13 X 1.0 inch button head cap
screws and .510 X .890 X .062 inch nylon washers
securing the head tube to the lower pivot link and the
walking beam.
NOTE: When installing the head tube, torque the 1/2-13 X 1.0
inch cap screws to 13 ft-lbs ± 20% then back off 1/8 turn.
2. Remove the head tube from the lower pivot link and the
walking beam.

Removing/Installing the Lower Pivot Link

NOTE: For this procedure, refer to FIGURE 6.3.
NOTE: Reverse this procedure to install the lower pivot link.
NOTE: Before installing the lower pivot link apply Super Lube Multi Purpose Grease w/PTFE (Teflon) or other silicon based grease to
the lower pivot link mounting pin.
1. Remove the head tube. Refer to Removing/Installing the Head Tube on page 44.
NOTE: When installing the lower pivot link, torque the 1/2-20 locknut to 13 ft-lbs ± 20%.
2. Remove the 1/2-20 locknut and .505 X 1.124 X .100 inch washer or washer plate securing the lower pivot link to the
wheelchair frame.
NOTE: A coved washer is located between the lower pivot link and the base frame.
3. Remove the lower pivot link and coved spacer from the base frame.
TDX® SP
.505 X 1.124 X .100 inch Washer
(Washer Plate Not Shown)
1/2-20 Locknut
FIGURE 6.3 Removing/Installing the Lower Pivot Link
.510 X .890 X .062-inch
Nylon Washers
1/2-13 X 1.0-inch
Button Head Cap
Screws
FIGURE 6.2 Removing/Installing the Head Tube
Coved Spacer
Lower Pivot Link
44
Walking Beam
Lower Pivot
Head Tube
Lower Pivot Link
Mounting Pin
Part No 1143209
Link