EXERCISES, LESSON 3
INSTRUCTIONS: Answer the following exercises by circling the lettered response that
best answers the question.
After you have answered all of the exercises, turn to "Solutions to Exercises" at
the end of the lesson and check your answers. For each exercise answered incorrectly,
reread the lesson material referenced after the solution.
Which of the following procedures applies to removing and replacing a faulty
manual control switch?
a. Keep the external power source connected so you can test the switch as you
make each connection.
b. Pull the wiring harness completely away from the chair in order reach the
Disconnect and connect replacement switch assembly socket terminals one at
a time, rather than disconnecting all at once and then replacing.
d. Replace the wiring harness as well whenever replacing the switch bezel.
Which of the following procedures applies to removing and replacing a faulty solid
state control board?
a. Because the control board is on the underneath portion of the chair seat, you
do not need to remove the chair toe cover.
b. Once you remove the three screws securing the control board, you grasp it
firmly and flex it until it comes loose from the plywood brace.
When connected, the shielded cord should be away from the toe of the chair.
d. Always push the cords into the sockets in the control board until the locking
arms snap into place.