Mitsubishi Electric MXZ-SM72TAM-U1 Service Manual page 117

Photo 14
Outlet
Fusible plug
Accumulator
15. Changing the fusible plug
See the following descriptions.
• Be careful not to expose the fusible plug to the braze torch flame or transfer heat to it. The temperature of the fusible
plug must not become 140°F (60°C) or more while working. Protect the fusible plug with a wet cloth when necessary.
(The fusible plug breaks at 158°F [70°C]).
• Tighten the screw in 14 - 18 N·m* (11-13 lbf·ft) with 2 wrenches.
*1 N·m ≈ 10 kgf·cm
Photo 16
16. Removing the compressor protector (TRS)
1. Remove the service panel. (See Photo 1)
2. Remove the top panel. (See Photo 1)
3. Remove the cover panel front. (See Photo 1)
4. Remove the cover panel rear. (See Photo 1)
5. Remove the side panel R. (See Photo 1)
6. Pull out the lead wire of high pressure switch and disconnect the connector, 63H (yellow) from the multi controller
board in the electrical parts box. (See Photo 11)
7. Remove the comp felt covering the compressor. (See Photo 13)
8. Loosen the clamp or band for the lead wire of the electrical parts box and separator.
9. Pull out the compressor protector (TRS) from the holder. (See Photo 17)
Photo 17
Compressor protector (TRS) Holder
OCH800A_117
Photo 15
Inlet
Fusible plug
Accumulator
Accumulator leg
Accumulator leg fixing screws