SEP 2012 R66 Maintenance Manual Chapter 21 Environment Control Page 21.7
21-22 Condenser and Fan Assemblies
Refer to R66 Illustrated Parts Catalog (IPC) Figure 21-7.
A. Removal
1. Recover refrigerant per Section 12-82.
2. Remove engine cowling per Section 53-21.
3. Turn BATTERY switch OFF. Cut and discard ty-raps as required and disconnect
G780-1 fan assembly wiring from airframe harness at connectors.
4. Remove hardware securing G786-1 box assembly to G783-1 condenser.
5. Using backup wrench, disconnect G810-1 and G811-1 line assembly b-nuts from
condenser fittings.
6. Supporting condenser, remove hardware securing condenser to G787 support
assemblies. Taking care not to damage line assemblies and condenser fittings,
carefully remove condenser. Cap fittings.
B. Installation
1. Remove caps. Install hardware securing G783-1 condenser to G787 support
assemblies. Verify security.
2. Connect G810-1 and G811-1 line assembly b-nuts to condenser fittings. Using
backup wrench, special torque b-nuts per Section 20-33, and torque stripe per Figure
5-1.
3. Install hardware securing G786-1 box assembly to condenser. Verify security.
4. Connect G780-1 fan assembly wiring to airframe harness at connectors and install
ty-raps as required. Cinch ty-raps until snug without over-tightening, and trim tips
flush with heads.
5. Perform leak detection per Section 12-83.
6. Charge system with refrigerant per Section 12-82.
7. Install engine cowling per Section 53-21.
To Next Page
Loading...