TM 10-5410-228-24
3.9.6
Heater Element Assembly Replacement Continued.
c.
Assembly (Refer to Figure 3-11)
(1)
Secure six heating elements (30) to heater assembly front bracket (26) with 24 screws (27), 24
new lockwashers (28) (Item 15, Appx E) and 24 flat washers (29).
(2)
Secure front bracket cover (22) to heater assembly front bracket (26) with four screws (23), four
new lockwashers (24) (Item 16, Appx E) and four flat washers (25).
(3)
Secure overheat switch bracket (21) to front bracket cover (22) with two screws (18), two new
lockwashers (19) (Item 16, Appx E) and two flat washers (20).
(4)
Secure two retainer plate assemblies (16) to heater assembly rear bracket (17) with six screws
(13), six new lockwashers (14) (Item 18, Appx E) and six flat washers (15).
(5)
Secure guard (12) to heater assembly rear bracket (17) with two nuts (9), two new lockwashers
(10) (Item 17, Appx E) and two flat washers (11).
d. Installation (Refer to Figure 3-11)
(1)
Place heater element assembly (1) in ECU enclosure (8). Secure heater element assembly (1) to
ECU enclosure (8) with three screws (2), three new lockwashers (3) (Item 18, Appx E) three flat
washers (4), three nuts (5), three new lockwashers (6) (Item 18, Appx E) and three flat washers
(7).
(2)
Install leads to twelve posts on top of heater element assembly (1) and secure with twelve nuts
and twelve flat washers. Remove tags from leads.
Follow-on maintenance: Install overheat switch per para 2.14.7, install or close ECU covers and doors per
para 2.14.1, connect ECV battery ground cable per TM 9-2320-387-24, remove tags, apply system power and
perform operational test. Remove ECU work platform (reference TM 10-5410-228-10).
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