C 4, SB 740-97-38
Classification
Item
Defect
Major
Minor
A
B
Stage III corrosion on critical surfaces of shafts,
DRIVE SHAFTS:
bearings, bushings, springs, and bearing housings .........................................................................................
x
Stage II corrosion on critical surfaces of shafts,
bearings, bushings, springs, and bearing housings .........................................................................................
x
HEATING SYSTEM:
Fuel tank:
Internal surfaces
Stage III corrosion ....................................................................................
x
Stage II corrosion
............................................................................................................. x
External surfaces
Stage IV corrosion....................................................................................
x
Stage III corrosion
............................................................................................................. x
Stage 11 corrosion
............................................................................................................. x
Lines. hoses, and connectors
Cracked or checked; kinked; broken; fungus growth..........................
x
Burner fuel pump
Stage III corrosion on internal surfaces.................................................
x
Stage II corrosion on internal surfaces .............................................................................................................
x
Fuel strainers
Pu nctured; torn or bent; contaminated gaskets; leaks.......................
x
Burner assembly
Stage Ill corrosion on internal surfaces; breaks;
cracks or leaks
x
Stage II corrosion on internal surfaces .............................................................................................................
x
Gages and thermometers
Glass broken or discolored; dial faces deteriorated;
inoperable
x
Valves
Stage IV corrosion; frozen; leaks ...........................................................
x
Stage III corrosion
............................................................................................................. x
Combustion chambers and flues
Stage IV corrosion; breaks; cracks or bends........................................
x
Stage III corrosion
............................................................................................................. x
Blower
Stage III corrosion on shafts, gears, impeller or
cage, bearings, and interior surfaces of air cleaner ...........................................................................................
x
Stage II corrosion on shafts, gears, impeller or
cage, bearings, and interior surfaces of air cleaner ...........................................................................................
x
Blower clutch
Stage III corrosion on cone, adjusting ring, plate,
and separator springs
x
Stage II corrosion on cone, adjusting ring, plate,
and separator springs
............................................................................................................. x
Exhaust stack
Stage IV corrosion on interior surfaces.................................................
x
Stage III corrosion on interior surfaces .............................................................................................................
x
Stage IV corrosion on internal surfaces; impeller
ASPHALT PUMP:
frozen; leaks
x
Stage III corrosion on internal surfaces .............................................................................................................
x
Stage II corrosion on internal surfaces .............................................................................................................
x
CLUTCH (ASPHALT PUMP):
Bearings, shafts, linkage,
and springs.
Stage Ill corrosion; frozen.......................................................................
x
Stage II corrosion
............................................................................................................. x
Metal disks and plates
Stage III corrosion ....................................................................................
x
Stage II corroslon
............................................................................................................. x
Fiber disks and bands
Deteriorated; punctured or torn..............................................................
x
ASPHALT TANK AND LINES:
Stage IV corrosion on internal surfaces ................................................
x
Stage III corrosion on internal surfaces .............................................................................................................
x
Stage II corrosion on internal surfaces .............................................................................................................
x
ASPHALT PUMP
REVOLUT'ION COUNTER:
Bent, broken, or inoperative ...................................................................
x
CHARGING OR BATCHING
HOPPER:
Stage IV corrosion on internal surfaces of hopper
and/or screw conveyor
x
Stage III corrosion on internal surfaces of hopper
and/or screw conveyor
............................................................................................................. x
DRIER DRUM:
Stage IV corrosion on internal surfaces of drum,
and/or on lifting flights, trunnion rollers and
trunnion rings; bent, cracked or broken ............................................................................................................. x
Stage III corrosion on internal surfaces of drum,
and/or on lifting flights, trunnion rollers, and
trunnion rings
............................................................................................................. x
BATCH TIMER:
Bent, broken or inoperative ..............................................................
x
III-T-3
