WP-1100R - LG Washing Machine Service Manual (repair manual). Page 14

(1) Open the spin dryer cover and the safety cover-2

and pull off the safety cover-1. (Fig.18)

(2) If the vent is pulled upward,it can be removed.

(Fig.46)

To assemble the vent, reverse the disassembly
procedure.

Adjust the belt tension by adjusting 2 bolts for the
wash motor that the length “

”be 90~100mm when

you grasp it with your fingers. 

Adjust the door switch by bending the contact so it

turns on/off when the spin dryer cover is opened 20
to 50mm(4°~10°)  in a horizontal position.(Fig. 48)

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.

2. After the brake is operated by the opening the

spin dryer cover, spin dryer basket should be
stopped within 5 seconds.

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

(1) Measure the insulation resistance; it should be

more than 10M

Ω

.

(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) Is not grease adhered to contacts of electrical

parts?

-14-

Vent

"

20~50mm
(4  ~10  )

Motor pulley

Pulsator pulley

Fig.46

Fig.44

Fig. 48

Fig. 49

If the vent is not inserted correctly, water will
flow back into the spin tub, and a normal spin is
impossible.

After repairing the door switch system or the
brake system. perform the trial test and check
the following points.
(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 separates from the coupling.

(3). When braking time is over 15 seconds,

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