SPACE HEATER ARCTIC (SHA)
PREVENTIVE MAINTENANCE CHECK AND SERVICES (PMCS)
THIS SECTION COVERS:
After Operation PMCS Checks and Services
SHA Shutdown and Cool
Wiping Rags (WP0046, Table 1, Item 1)
Table 1. Preventive Maintenance Checks and Services for SHA - continued
WHEN USING LIQUID FUEL. . .
Check down tube assembly (1) and inside
of burner shell assembly (2) for thick
carbon/soot deposits. Clean if necessary.
Check both assemblies, (1) and (2), for
Down tube assembly is cracked
or plugged and/or burner
assembly holes are blocked.
Check for bent/damaged bracket (3), fuel
flow control valve (4), cup/cable assembly
(5). Be sure bracket (3) not bent out of the
required 90 degree position from the heater
body assembly (6). Drain fuel and clean
Valve is damaged or valve
bracket bent out of 90 degree
position with heater body.
Check for cuts or swollen areas in hose (7)
walls or damaged fittings (8).
Hoses are cut or have swollen
areas, or fittings are damaged.
Check fuel can stand (9) and fuel can (10)
Fuel can stand is unstable; fuel
Check gravity feed adaptor (11) for
damage. Ensure that the gasket (12) on the
underside of the cap has been installed.
Check the QD fitting (13) for dirt, ice, or
other foreign objects; clean if necessary.
Check hose (14) for cracks or damaged
Gravity feed adaptor leaks.
WHEN USING SOLID FUEL. . .
Clean ash deposits from heater body
Ash deposits from last
operation in solid fuel mode
have not been removed.
Check that solid fuel (15) grate is not bent or
Solid fuel grate is bent such
that it allows fuel to touch
Check that sliding draft gate (16) opens and
shuts completely, and that when shut, it forms
a tight seal.
Sliding draft gate will not fully
shut, or does not open.