Bobrick AirCraft B-701, Руководство по устранению неисправностей и информации, Страница: 24 / 66

Page 18
Warning
Risk of electric
shock
Disconnect power
supply before
removing cover
Instructions For The Replacement
Of Motor Brushes
The brush spares kit contains two brushes.
Always replace BOTH brushes.
EMD MOTOR
To remove the brush:
1. Squeeze the sides of the retainer and ease it
over the stud with a small screwdriver.
2. Remove the retainer, cap and brush. Do not
mislay the small cap spring.
To replace the brush:
1. Insert the new brush into the holder.
2. Place the cap, with the cap spring inside it,
over the brush spring and press it over the
holder.
3. Slide the retainer down the cap and snap it
into position over the stud.
SINTECH MOTOR
On this motor the brush is replaced by changing
the complete brush box assembly.
To remove the brush box assembly:
1. Pull the connector off the terminal tab, (A).
2. Depress the retaining tab with a small
screwdriver and pull out the brush box, (B)
and (C).
To replace the brush box assembly:
1. Insert the new brush box and push it down
until the retaining tab is level with the slot in
the motor end frame.
2. Bend out the retaining tab.
3. Replace the connector on the terminal tab.
AMETEK & WINSTON MOTORS
On this motor the brush is replaced without
disturbing the brush box.
To remove the brush:
1. Depress the locking tab in the connector with
a small screwdriver, (A).
2. Slide out the connector and remove the brush,
(B) and (C).
To replace the brush:
1. Insert the new brush into the holder.
2. Press the spring down with a screwdriver until
it is below the connector slot, (D).
3. Push the connector into the slot until it locks
into position, (E). Make sure that all of the top
coil is under the connector.