WP-620N - LG Washing Machine Service Manual (repair manual). Page 14

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14
NOTE
Apply adhesive or use hose clamps on all
joints to prevent water leakage.
4-11. Drain Pump Assembly
replacement
(Pump model)
After removing the back cover, proceed as follows;
1. Disconnect the lead wires of the drain pump
assembly.
2. Disconnect all hoses(the drain hose-D and the
outlet hose assembly) from the drain pump
assembly.
3. Separate the base from the cabinet.
4. Hold the drain pump assembly and remove the
screw fastening the drain pump assembly from the
base.
5. Remove the drain pump assembly.
To assemble the drain pump assembly, reverse the
disassembly procedure.
Fig. 49
Fig. 50
5. ADJUSTMENT
5-1. Door Switch operation
1; Adjust the door switch by bending the contact so it
turns on/off when the spin dryer cover is opened
10 to 50mm in a horizontal position (Fig. 51).
5-2. Brake operation
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. When the spin dryer cover is raised 10 to 35
degrees, the brake should be operated and the
empty spin dryer basket should be stopped within
5 seconds.
3. When braking time is over 15 seconds, replace the
brake assembly with a new one.
NOTE
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.
Fig. 51
Fig. 52
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