General Notes - Hitachi SAMURAI Series Service Manual

3 Servicing

General notes

3.2 General notes

Before starting to remove any component, take into account the following notes:
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D A N G E R
• Before performing any of the service operations described in this chapter, turn all the main switches off and place security
lockers or convenient warning indicators in order to prevent them from turning on accidentally.
• It is recommended to turn the power supply off for some operations.
• In all electrical works be sure there is no voltage. Check it with a multimeter.
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C A U T I O N
• In case of sharped edged parts, as covers, use security gloves to avoid getting injured.
• In case of blocked or stuck parts, use appropriated tools and eventually lubricants to release them.
• When performing brazing work, besides security gloves it is a must to wear convenient eye protection.
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N O T E
The images and pictures shown in this chapter, except when the contrary is indicated, correspond to the RCME-50WH1 model. Processes
described are equally valid to all RCME-WH1 models.
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N O T E
• When brazing operations are required, check to ensure whether there are flammable materials around when using the burner for pipe
connections. Oil, and lubricants used may ignite, as well the cleaning clothes and cleaning papers.
• Do not expose the refrigerant to the atmosphere for a long period in order to avoid mixing the water and foreign particles with the
refrigerant. After removing compressor, replace it quickly. If exposed for a long period, seal the suction and the discharge pipe. Seal
pipe ends using caps or tape.
• To reassemble perform the procedures in reverse way.
• To prevent contamination of the refrigerant with water or foreign particles, do not expose open to atmosphere for long periods.
61 SMGB0120 rev.0 - 11/2017
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