SPACE HEATER ARCTIC (SHA)
PREVENTIVE MAINTENANCE CHECK AND SERVICES (PMCS)
THIS SECTION COVERS:
Before 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 OPERATING WITH 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 cracked metal.
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) is
not bent out of the required 90 degree
position from the heater body assembly
Valve is damaged or valve bracket
bent out of 90 degree position with
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) for damage.
Fuel can stand is unstable; fuel can
Check gravity feed adaptor (11) for
damage. Ensure that the gasket (12)
inside 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 areas.
Gravity feed adaptor leaks.
WHEN OPERATING WITH SOLID FUEL...
Check that solid fuel grate (15) is not
bent or otherwise damaged.
Solid fuel grate is bent such that it
allows fuel to touch bottom.
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.