C 4, SB 740-97-38
Classification
Item
Defect
Major
Minor
A
B
Brackets and hangers
Stage IV corrosion; cracked or broken................................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
Intake and exhaust
and pipes
Stage IV corrosion; punctured ............................................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
LUBRICATION SYSTEM:
Lines, hoses, and fittings
Kinked; broken; leaks or seeps; checked or cracked;
fungus growth...............................................................................................x
Filters
Stage III corrosion on internal or external
surfaces........................................................................................................x
Stage II corrosion on internal surfaces; element
deteriorated or contaminated...............................................................................
x
Lubricant
Contaminated......................................................................................................
x
Seals
Deteriorated; leaks or seeps ...............................................................................x
CONTROLS AND INSTRUMENTS:
Stage III corrosion; cracked or broken; inoperable;
dial face illegible............................................................................................x
Stage II corrosion; linkage frozen........................................................................
x
GOVERNORS:
Stage IV corrosion; linkage broken ...............................................................x
Stage III corrosion; linkage frozen.......................................................................
x
Stage II corrosion................................................................................................
x
ELECTRICAL SYSTEM:
Wiring
Broken strands; cracked insulation; fungus growth ............................................x
Frayed; checked; loss of flexibility.......................................................................
x
Terminals and connections
Stage III corrosion; broken terminals...................................................................x
Stage II corrosion................................................................................................
x
Spark plugs
Stage III corrosion on spark point end; ceramic
insulator broken ............................................................................................
x
Stage II corrosion on spark point end..................................................................
x
Switches, regulators, relays,
magnetos, and controllers.
Stage III corrosion; broken; frozen ......................................................................x
Stage II corrosion................................................................................................
x
Generator assemblies and
starters
Stage III corrosion; frozen...................................................................................x
Stage II corrosion................................................................................................
x
DRIVE BELTS, HOSES, AND HOSE
FITTINGS:
Drive belts and hoses
Checking; cracking; broken reinforcing; frayed;
cut; loss of flexibility and resiliency; fungus
growth...........................................................................................................x
Fittings
Bent or broken; threads damaged; stage IV corrosion .......................................
x
Stage III corrosion...............................................................................................
x
Stage II corrosion ...............................................................................................
x
DRIVE AND CUTTING SYSTEM:
Transmission
Stage III corrosion on intenor surfaces; seals or
gaskets deteriorated; leaks ...........................................................................x
Stage II corrosion on interior surfaces; contami-
nated lubricant ..............................................................................................
x
Control unit
Stage IV corrosion on dial, gears, pinion or other
internal critical surfaces; cable kinked or
broken; frozen or inoperative.........................................................................x
Stage III corrosion on dial, gears, pinion, or other
internal critical surfaces................................................................................
x
Stage II corrosion on dial, gears, pinion, or- other
internal critical surfaces................................................................................
x
Shafts
Stage IV corrosion ..............................................................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
Coupler
Stage IV corrosion; chipped or broken dogs;
inoperative ....................................................................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
Saw guides and guard
Bent or broken; missing; stage IV corrosion .......................................................x
Stage III corrosion...............................................................................................
x
Stage II corroson.................................................................................................
x
III-NN-1
