TM 5-4520-253-13
l N S P E C T / S E R V I CE HEATER CASE ASSEMBLY (CONT)
6. Open left heater case door (8), front access door (9), and right heater case door (10). Each door
is released by unlocking one stud (11). Clean and inspect interior of heater. Lubricate door
hinges with antiseize compound.
7. Close right heater case door (10), front access door (9), and left heater case door (8). Secure
each door by locking one stud (11).
8. Install
9. Reach
10. Install
louver panels (5 and 6) by locking eight studs (7) at each panel.
through heater case opening (4) and connect louver linkages to louvers.
bottom cover (3) using six screws (1) and lock washers (2).
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