Table 1. Operator Preventive Maintenance Checks and Services.
ITEM INTERVAL LOCATION
NOT FULLY MISSION
Exhaust stack or
Inspect the exhaust stack assembly (1)
exhaust stack outlet is
and verify that the end (2) that engages
bent, cracked, or
with the heater exhaust stack outlet (3) is
not bent, cracked, or damaged in any
way as to prevent the exhaust stack from
fitting securely and completely into the
exhaust stack outlet.
Downdraft cap missing
Verify that the downdraft cap (4) on the
top of the exhaust stack is present and is or inoperative.
Heat shield missing or
Verify that the heat shield (5) on the
damaged so as to
exhaust stack is present and
allow operator to come
in contact with hot
Inlet and outlet
Inspect the inlet and outlet duct housings
Inlet and/or outlet duct
damaged in such a
(6) to ensure that they are not bent or
way as to prevent a
damaged so as to prevent the flexible
good seal between the
ducts from engaging completely.
flexible duct and the