Hitachi RAS-4-HNCE - Servicing for Outdoor Units RAS-(2-2.5)HVNP and RAS-3 HVNC; Removing Pipe Cover; Removing; Removing Outdoor Fan

10. Servicing
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SMGB0079 rev.0 - 01/2013
10.2 Servicing for Outdoor Units RAS-(2-2.5)HVNP and RAS-3HVNC
10.2.1 Removing pipe cover
Follow the procedure below to remove main parts and components. For mounting follow the reverse procedure of removal.
Do not expose the refrigerant cycle to the atmosphere for a long period to avoid moisture or dust entering into the cycle. Be sure to
replace parts immediately after removing. Seal the refrigerant cycle when left unattached for a long period.
1 Remove pipe cover downward after removing 1 screw.
1. Pipe cover.
1
10.2.2 Removing front cover
1 Remove the pipe cover following Removing pipe cover.
2 Remove 3 xing screws and remove the upper cover.
3 To remove the front cover remove 8 xing screws and 3 left nails.
1
1
2
1. Upper cover.
1. Front cover.
2. Nails.
10.2.3 Removing outdoor fan
1 Remove the pipe cover following Removing pipe cover.
2 Remove 3 xing screws and remove the upper cover.
3 Remove the front cover following Removing front cover.
4 To remove the propeller fan remove the cap nut which xes the propeller fan onto the motor shaft.
N O T E
• Useapullerwhenthepropellerfanandmotorshaftarexedtootightly.
• Thecapnutisleftthread.Forremovalturntothereversedirectiontothepropellerfan.