TM 9-4120-404-14
4-10. EVAPORATOR FAN SCROLLS.
This Task Covers:
a. Removal
b. Installation
Initial Setup:
Tool Required
Tool Kit, Service, Refrigeration, Unit (Item 1, Appendix B)
Material/Parts Required
None
Equipment Condition
Air conditioner shut down and cool.
(1) Remove four screws (1), four flat washers (2), and inlet bell (3).
(2) Remove four screws (4), four flat washers (5), and inlet bell (6).
(3) Remove four screws (7), four flat washers (8), and evaporator fan scroll (9) from evaporator impeller fan
(10) on evaporator fan assembly.
(4) Repeat for other side if other evaporator fan scroll is being replaced.
b. Installation.
(2) Loosely install four flat washers (8) and four screws (7).
(3) Adjust evaporator fan scroll (9) until it is centered around evaporator impeller fan (10).
(4) Tighten four flat washers (8) and four screws (7).
(5) Install inlet bell (6), four flat washers (5), and four screws (4).
(6) Install inlet bell (3), four flat washers (2), and four screws (1).
(7) Repeat for other side if both evaporator fan scrolls were removed.
4-21