Panasonic NR-B420M Service Manual page 14

B420M/MS/MW, B480M/MS/MW,
B570M/MS/MW/D/D-*9, B53D2,
B643M/MS/MW/D/D-*9, B703M/MS/MW,
C603D, C703M/MS/MW/D
DEFROST TIMER
Remove the screws (5 pcs) which fix the comp. cover.
Remove the comp. cover.
Screw
Ac cord
assy
Screw
(only Asia models)
Unscrew screw (2pcs.).
Pull the connector downwards to remove.
Pushing the ribs (2por tions), pull the timer box
rightwards.
Rib
Rib
Screw
Remove defrost timer, A.T bimetal thermo.
To replace the defrost timer
Be sure to set the timer in coolimg operation.
Rotating direction of cam shaft is counter-clockwise.
Screw
Screw
Screw
Comp. Cover
Screw
Defrost
Timer
STARTING RELAY AND OVERLOAD
PROTECTOR
Remove the clamp and the cover.
Relay cover
Pull the starting relay leftwards to remove.
Pushing both ends of clips inwards, pull up the overload
protector.
Overload protector
To replace the overload protector
The overload protector should be in the clip.
Install the protector to touch the compressor.
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driver
Starting relay
Clip
Push inward