CONDENSER FAN SCROLLS DIRECT SUPPORT MAINTENANCE REPLACEMENT

TM 9-4120-425-14&P

CONDENSER FAN SCROLLS DIRECT SUPPORT MAINTENANCE REPLACEMENT

THIS WORK PACKAGE COVERS:

Removal and Installation

INITIAL SETUP:

Maintenance Level

Direct Support

Tools and Special Tools

Tool Kit, General Mechanics (Item 1, Table 2, WP 0118-00)

Equipment Condition

Main power source is disconnected, shut down and cool.

Top panel removed (WP 0019-00).

Liquid sight indicator mounting hardware removed (WP 0075-00).

Louver actuator cables removed (WP 0032-00).

Condenser fan motors removed (WP 0062-00).

Condenser air discharge louvers removed (WP 0021-00).

Service valve clamps disassembled from scrolls (WP 0073-00).

WARNING

Disconnect air conditioner power input connector before doing maintenance work on

electrical system.

NOTE

The following are removal and installation instructions for scroll (5). Instructions for

scroll (6) are similar except it does not have service valve clamp attachment.

REMOVAL

Remove louver actuator cables (1) (figure 1) from unit. Refer to WP 0032-00 for instruction on removal of cables and

replacement of defective/damaged components.

NOTE

When performing steps 2 and 3 do not break in the refrigerant system or loosen

refrigerant connections.

Remove actuator mounting bracket and damper actuator cylinder subassembly (16) from motor mounting brackets

(21) and (22) by removing four screws (17) and four lockwashers (18). Carefully move the subassembly (16) away

from the motor mounting bracket. See Figure 2.

Release service valve clamps from left hand scroll (5) and carefully move refrigerant tubing away from condenser

fan scroll mounting area. See WP 0073-00.

Remove motor mounting bracket (22) by removing two screws (23), two lock washers (24), one screw (25), one

screw (26), one lock washer (27), and six screws (28). See Figure 2.

0063-01-1