WP-580N - LG Washing Machine Service Manual (repair manual). Page 13

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When the spin dryer cover is raised 40 to 50 mm,
adjust  the door switch so it turns on/off.(fig.36)

1.The brake assembly is fitted to the top of the

spin motor. The brake block is positioned to
make contact with the coupling . The brake is
operated by the brake wire assembly connected 
to the hinge of the spin dryer cover. (fig.37)

2.When the spin dryer cover is raised 15 to 25

degrees, the brake should be operated and the
empty spin dryer basket should be stopped
within 5 seconds.(fig.38)

fig.36

fig.37

After repairing the door switch system or the brake
system, perform the trial test and check the following
points.

3.Untighten the socket  bolt of the motor pulley

assembly and pull out the motor pulley assembly
from the motor. (fig.35)

fig.35

To assemble the wash motor, reverse disassembly
procedure.

(1) When opening the spin dryer cover, the door

switch should be turn off before the brake block
makes contact with the coupling.

(2) When closing the spin dryer cover, the door

switch should be turn on after the brake block
separtes from the coupling.

fig.38

a.When braking is weak, move the brake strap

hook to upper hole of the brake wire plate to
adjust.

b.When braking is too strong, move the brake

strap hook to lower hole of the brake wire plate
to adjuct.

After repairing, perform the trial test and check the
following points.

(1) Measure the insulation resistance; it should be

more than 10 M..

(2) This washing machine must be properly

grounded for safety.

(3) Check to make sure that there is no water

leakage from any of the connections.

(4) When spinning empty, the braking time should

be less than 5 seconds.

(5) Has grease adhered to contacts of electrical

parts?

40~50mm

15

o

~25

o