CHECK AND TEST 1
Follow steps in right link to
open mainboard cover.

 

PROCEDURE 1


Step 1

Unscrew cover of
mainboard with a Crosshead
screwdriver.

Step 2

Disconnect terminals.

Step 3

Pull out earthing wires.

Step 4

Unscrew the mainboard.

Step 5

Unfasten and remove
mainboard.

PROCEDURE 2


CHECK AND TEST 2


DIAGNOSIS 2


PROCEDURE 3

Step1

Unscrew terminal cover.


Step2

Remove terminal  cover.

Step 3

Disconnect all terminals.

Step 4

Unscrew earthing wire.

Step 5

Unscrew nut of
compressor.

Step 6

Install a new compressor
on top.

Step 7

Braze the joints of
suction and exhaust
pipes.

PROCEDURE 4


Step 1

Re-braze a copper
tube onto compressor
processing tube.
To get more details on
brazing requirements,
please go to Annex B1page.

Step 2

Install quick connector
onto rebrazed pipe.

Step 3

Clean away paint on
brazed joint.

Step 4

Cut off the brazed joint of
drying filter.

Step 5

Cut off capillary and
remove the cut end by
shaking.

Step 6

Braze on a new
drying-filter.

Step 7

Perform leakage test on
brazed joints of dryingfilter
and compressor
processing pipe.

Step 8

Vacuum and recharge.
Please get more details
of vacuuming and gascharging
requirements
on Annex B2 page.

Step 9

Block processing pipe
twice by locking pliers.


Step 10

Leave locked pliers
attached to second
block and shake to cut
off the remaining pipe.

Step 11

Braze the ends and
remove the pliers.

CHECK AND TEST 3


DIAGNOSIS 3


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