Agitator Brush Roll; Thermal Protector - Hoover WindTunnel S3639 Owner's Manual

3-10
lift off hood.
Remove brush roll cover (C) by re-
moving the 3 Phillips head screws.
3-13
D
on belt must be visible.
Stretch belt back and attach to motor
pulley.
Hold opposite end of agitator brush
roll in place. Push belt end forward,
rotating end plate (F) until it slides into
3-16
C
When to replace
Disconnect cleaner from electri-
cal outlet.
When agitator brush roll brushes
are worn, the brush roll should be
replaced.
To check condition of brushes, move
edge of a card across bottom plate
while turning brush roll. To maintain
cleaning effectiveness, replace brush
roll if brushes do not touch card.
What to buy
When purchasing a new agitator
brush roll, ask for HOOVER part no.
48414-071.
How to replace
10
3-11
C
Lift off brush roll cover (C).
If belt is not broken but is stretched
or cut, pull it off the motor pulley (D).
3-14
E
place. Turn agitator, making sure it
rotates freely.
Replace brush roll cover (C) over
agitator brush roll. Replace 3 short
screws.
Position hood on top of nozzle base.
3-17
Disconnect cleaner from electrical
outlet.
1. Remove hood, duct cover, belt and
brush roll as shown in Figs. 3-9 to
3-14.
2. Discard old brush roll.
3. Replace new brush roll and belt as
shown in Figs. 3-15 to 3-17.
Headlight replace-
ment
The headlight, located on top of
the power nozzle, operates when
the cleaner is turned on. Use only
HOOVER part no. 27317-307,
which is a fused bulb, when replac-
3-12
C
Lift up end of agitator brush roll. Re-
move old belt from agitator pulley (E)
and replace with new belt. Lettering
3-15
F
Turn nozzle over. Replace 2 short
screws at the back of nozzle and 2
long screws at the front.

Agitator brush roll

replacement
3-18
ing the headlight.
How to replace
Disconnect cleaner from electri-
cal outlet and disconnect power
nozzle from extension wands.
1. Remove the hood as shown in
Figs. 3-9 and 3-10.
2. Push old bulb into socket and
twist to remove. Push new bulb into
socket and twist into place.
3. Replace hood.

Thermal protector

An internal thermal protector has