TM 9-4520-257-12&P 0018 00
OPERATOR MAINTENANCE
H-45 LARGE RADIANT SPACE HEATER
(TYPE I, SOLID FUEL)
NSN 4520-01-354-1191
FLUE DAMPER
INSPECT, SERVICE, REPLACE
0018 00-1
H-45 TYPE I (SOLID FUEL) HEATER
REMOVE
1. Remove the stack pipe assembly (1) from the stack flange (2) on the top heater shell (3).
2. Remove the stack pipe section (4) containing the flue damper (5) from the stack pipe assembly (1).
3. Grasp flue damper handle (6), and press firmly against the handle (6). Rotate the flue damper shaft
(7) until the curved flue damper shank (8) is unlocked from the flue damper (5).
4. Remove the curved flue damper shank (8) from the stack pipe section (4). Remove the flue damper
(5) from the stack pipe section (4).
INSPECT
Inspect the flue damper (5) for evidence of wear, cracks, or distortion. Check for proper operation.
Replace if damaged.
SERVICE
Using a brush and/or rags, clean soot from flue damper parts.
REPLACE
Replace the flue damper if damaged.
INSTALL (REFER TO WP 0005 00)
1. Install the flue damper (5) in the stack pipe section (4).
2. Install the stack pipe section (4) in the stack pipe assembly (1), and place the stack pipe assembly (1)
on the stack flange (2) on the top heater shell (3).
INITIAL SETUP:
Materials
Brush (WP 0052 00, Table 1, Item 3)
Rags (WP 0052 00, Table 1, Item 7)
Personnel Required
One
Equipment Condition
H-45 shutdown and cool (WP 0005 00)
Guy lines anchoring stack pipe untied from
stakes (WP 0005 00)
