TM9-4120-400-14
4-44.
CONDENSER FAN, MOTOR, AND HOUSING. - continued
10. Remove five screws (24) attaching condenser fan housing (20) to unit. Screws are accessible from
underneath the unit.
11. Carefully remove condenser fan housing (20) (with fan (6) inside) by rotating housing 90 counterclockwise
and pulling straight out.
12. Remove three screws (25) and flat washers (26), and fan inlet ring (27).
13. Remove impeller fan (6) from condenser fan housing (20).
REPLACEMENT
Replace all defective components found during inspection and test.
INSTALLATION
Place impeller fan (6) in condenser fan housing (20).
1.
Install fan inlet ring (27) and secure with three screws (25) and flat washers (26).
2.
Carefully place condenser fan housing (20) in unit by rotating housing 90 counterclockwise and sliding into
3.
place.
Secure condenser fan housing (20) to unit with five attaching screws (24).
4.
Use care not to break refrigeration tubing.
Secure clamp and tubing (23) to fan housing (20) with screw (21) and lock washer (22).
5.
6.
Secure two charging valves (18), and pressure relief valve (19), to condenser fan housing (20) with three loop
clamps (17), screws (14), flat washers (16), and lock washers (15).
Slide motor shaft extension (5) into hub of fan impeller (6) and secure with setscrew (8).
7.
NOTE
After bringing motor mounting bolts up snug, tighten one full turn on each of the four
bolts to compress grommets.
Insert four bushings (12) and grommets (13) into four motor mounting holes and attach motor (7) to mounting
8.
plate (3) with eight flat washers (11), four lock washers (10), and four cap screws (9).
Carefully place motor (7) and mounting plate (3) down into unit and align holes in motor mounting plate with
9.
those in unit.
10. Install four cap screws (1) and washers (2) in motor mounting plate (3) but do not tighten them all the way.
11. Slide motor shaft extension (5) onto motor shaft and secure with two setscrews (4).
12. Spin fan by hand and check for equal clearance between the fan inlet ring (27) and outer edges of fan (6).
Adjust mounting plate (3) as necessary.
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