TM 10-4520-259-13&P
5-11.
AIR SHUTTER ASSEMBLY
This task covers:
a.
Remove
c.
Install
b.
Repair
INITIAL SETUP:
Tools:
Tool Set, General (Item 1, Appendix B)
Materials/Parts:
Rags, Wiping (Item 15, Appendix F)
Equipment Condition:
Water heater shut off and cooled down.
Power switch oaf and power cable disconnected.
Fuel lines disconnected.
REMOVE
a. Remove fuel pump and filter assembly as described in paragraphs 4-19 and 5-10.
b. Remove three capscrews (1), three washers (2), and remove air shutter assembly (3) from blower (4).
c. Remove cotter pin (5), two washers (6), spring (7), rivet (8), and remove air band (9), from the air shutter (10).
REPAIR
Repair faulty components by replacement.
INSTALL
a. Place air band (9) over shutter (10) and secure with rivet (8), spring (7), two washers (6) and cotter pin (5).
b. Position air shutter assembly (3) on blower housing (4) and secure with three capscrews (1) and three washers
(2).
c. Install fuel pump and filter assembly as described in paragraphs 4-19 and 5-10.
Change 2
5-23
