Replacement Of Compressor Valve Plate/Cylinder Head Gasket - Maersk Container Industry Star Cool SCI-20 Operating And Service Manual

c. Let the pressure drop to vacuum.
d. Stop the compressor by pressing Off on the controller and closing discharge stop valve.
e. Press wake up on the controller and read pressure in the corner of the display. Ensure it is
0 Bar.
1. Remove the FC (pos. 4) and the motor cable (pos. 5).
2. Dismount all pressure transmitters and high pressure switch.
3. Loosen all bolts for compressor stop valves.
4. Loosen bracket for compressor and turn it downwards.
5. Slide compressor out.
6. Slide new compressor in place. Observe that the rear compressor foot is inserted firmly into the
bracket slot.
7. Reinstall the compressor brackets (but do not tighten).
8. Reinstall all pressure transmitters and high pressure switch.
9. Fasten all bolts for all 3 compressor stop valves. Fasten the compressor brackets!
10. Mount the cable (pos. 5) on the compressor before the FC is installed.
11. Apply thermo paste before mounting the FC. Observe that the cable is not squeezed between the
compressor and FC. Make sure that there is absolutely no air gap between the FC and the com-
pressor.
12. Remove the black cover (pos. 3). When mounting the cables into the terminal, the cables will
level into position during mounting. Be aware that cables may tilt. Fasten with the recommended
torque.
13. Evacuate the compressor before starting up, as described in this manual.
21.7 Replacement of compressor valve plate/cylinder head
gasket
1. Depressurize the compressor.
2. Dismount cylinder head and valve plate using a rubber mallet, if necessary. Carefully clean all
sealing surfaces.
3. Check the valve plate and exchange the entire valve plate if damaged. Determine the cause and
eliminate it.
4. Mount the cylinder head, valve plate and new gaskets correctly. Gaskets not made of rubber
must be soaked in oil prior to mounting. If located in an inconvenient mounting position, use
mounting pins.
5. Tighten the bolts in the illustrated sequence in two steps. Starting by tightening bolts no. 1
and no. 2 firmly by hand. Then tighten bolts no. 3 to no. 8 in sequence with torque 70 Nm. See
the numbers of the bolts in the figure below.
"LP"
No mark on this side
"HP"
Marked "N" on this side
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4 2
7
8
HP
1 3
5
6
HP