Daikin GYEQ20AN Service Manual page 218

Replacement of Primary Parts
∗ In the figures, the use and shape of the compressor and related parts differ depending on the
Caution Check page 203 [1. Precautions to Take before Replacement] before proceeding with the
following steps.
1. Before replacing the compressor
2. Remove the strut located at the center of the front side.
3. Remove the air cleaner.
4. Place wooden bases underneath the engine.
5. Set another wooden base on the left edge of the front comp bracket.
6. Remove the engine mount on the front left and front right sides.
7. Remove the front comp bracket and left comp bracket. Remove the clamp of the harness for
8. Place wooden bases underneath the compressor.
9. Remove the V ribbed belt. (See page 213 [1.2 Periodic Inspection Procedure for the
10.Unplug the compressor heater, clutch and oil return solenoid valve connectors.
11.Remove the pipe clamp from the upper comp bracket.
12.Remove the discharge, intake, and oil return flanges.
207
Discharge flange
Discharge flange
Guard M10 x 16
Guard M10 x 16
model, but there is no significant difference in the structures and part names.
(1) Turn OFF the outdoor unit's power supply only. Do not turn OFF the indoor unit's power
supply. When turning OFF the indoor unit's power supply, be sure to follow the procedure
on page 210 [2.5 Charging the Refrigerant] for charging refrigerant.
(2) When replacing the refrigerating machine oil with the compressor lock or the like, remove
the whole amount of refrigerating machine oil from the oil port (oil return line).
(3) Recover the refrigerant.
∗ Take care not to damage the harness when removing the bracket.
(Use 2 to 4 wooden bases sized approximately 45 × 700 mm along with 5 to 10 mm shims.)
∗ Fit the engine with the wooden bases from beneath the front comp bracket to the back
comp bracket, and fill the gap toward the engine oil pan with thin shims.
(Use one wooden base sized approximately 45 × 100 mm.)
the starter cable and other cables.
(Use two wooden bases sized approximately 45 × 700 mm.)
Outdoor Unit].)
∗ To remove the oil return flange, remove the upper comp bracket.
∗ Suspend the pipes in a higher position using a string or rope so that they will not interfere
when you pull out the compressor. When suspending the pipes, take care not to
excessively bend the oil return cabinet pipe.
Intake flange
Oil return flange
Intake flange
023434-00E01
SiAUY361411EA
Replacement of Parts