Test all the three potentiometer dials together.
(a) Set all three dials to "5."
(b) Depress and release the top side of the automatic control switch.
The chair should move to the selected operating position.
(c) Depress and release the bottom side of the automatic control
switch. The chair should return to the exit position.
c. Lubricate. Annually, lubricate the following parts with white grease by wiping
off the old white grease and applying fresh white grease to each one with an acid brush.
(1) Lubricate the screw jack and nut, located in the floor plate assembly.
Refer to figure 1-3, #2.
Lubricate the lift chain. Refer to figure 1-3, #3.
(3) Lubricate the pantograph arms by extending them to their full length and
applying white grease to each movable joint. Refer to figure 1-4.
(4) Lubricate the seat motor screw tube located in the cradle assembly.
Refer to figure 1-5, #2.
(5) Lubricate the back motor screw tube pin located in the cradle assembly.
Refer to figure 1-5, #16.