Installation. - TM-10-3930-630-120068

TM 10-3930-630-12

pressure switch and closes the circuit. The light then

stoplight operation.

operates as a stoplight.

(1) Inspection.

other damage.

(a) Check light for secure mounting

(2) Removal

(a) To replace lamps in combination

and secure wire connections.

(b) Turn on light switch and check

rear light, remove retaining ring and lens (fig. 4-30).

taillight operation. Depress brake pedal and check

Figure 4-30. Combination rear light, exploded view.

(1) Inspection.

(b) Depress lamp and turn one-

(a) Remove the floor plate to gain

quarter turn counterclockwise to remove from socket.

access to the master cylinder mounted on the right side

(c) To remove combination light,

of the frame.

(b) Check stoplight switch (fig. 4-31)

disconnect wires from connectors at rear of light.

(d) Remove nuts and lockwashers

wires for secure connections and good condition.

(c) Check around switch for evidence

(fig. 4-30) and remove light from mounting bracket.

(3) Installation.

of oil leakage.

(d) Depress brake pedal and check

(a) Install combination rear light on

stoplight operation.

bracket and secure with nuts and lockwashers (fig. 4-

(2) Removal.

30).

(b) Connect wires to connectors at

(a) Remove floor plate.

(b) Disconnect wires from stoplight

rear of light.

switch (fig. 4-31).

depressing lamps in socket and turning one-quarter turn

fitting connected to master cylinder (fig. 4-31).

clockwise.

(3) Installation.

(d) Install lens (fig. 4-30) in light and

(a) Install stoplight switch (fig. 4-31)

secure with retaining ring.

c. Stoplight Switch. The stoplight switch is a

in fitting in master cylinder.

(b) Connect wires to stoplight switch.

pressure switch mounted on the forward end of the

brake master cylinder.

When the brake pedal is

depressed, hydraulic pressure closes the switch and

operates the stoplight.

4-40