Servicing For Outdoor Units Ras-(2-2.5)Hvnp And Ras-3Hvnc; Removing Pipe Cover; Removing; Removing Outdoor Fan - Hitachi RAS-2-HVNP Service Manual

10. Servicing
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.
10.2.2 Removing front cover
1 Remove the pipe cover following
2 Remove 3 fixing screws and remove the upper cover.
3 To remove the front cover remove 8 fixing screws and 3 left nails.
1. Upper cover.
10.2.3 Removing outdoor fan
1 Remove the pipe cover following
2 Remove 3 fixing screws and remove the upper cover.
3 Remove the front cover following
4 To remove the propeller fan remove the cap nut which fixes the propeller fan onto the motor shaft.
N O T E
• Use a puller when the propeller fan and motor shaft are fixed too tightly.
• The cap nut is left thread. For removal turn to the reverse direction to the propeller fan.
324
SMGB0079 rev.0 - 01/2013
Removing pipe cover.
1
1. Front cover.
2. Nails.
Removing pipe cover.
Removing front cover.
1
2
1