C 4, SB 740-97-38
Classification
Item
Defect
Major
Minor
A
B
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; forzen ......................................................................x
Stage II corrosion................................................................................................
x
Generator assemblies, elec-
tric motors and starters.
Stage III corrosion; frozen...................................................................................x
Stage II corrosion................................................................................................
x
Lights and reflectors
Stage III corrosion; cracked or broken ................................................................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
WATER SPRAY SYSTEM:
W ater tanks
Stage IV corrosion on internal surfaces ..............................................................x
Stage III corrosion on internal surfaces...............................................................
x
Stage II corrosion on internal surfaces................................................................
x
W ater pump
Stage IV corrosion on internal surfaces; rotor
frozen; leaks .................................................................................................x
Stage III corrosion on internal surfaces...............................................................
x
Stage II corrosion on internal surfaces................................................................
x
Drive belts
Checking or cracking; frayed or cut; loss of
flexibility; fungus growth; broken reinforcing .................................................
x
Cracked; broken; stage IV corrosion...................................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
W ater pump drive clutch
Bent, broken or forzen.........................................................................................x
Spray bar
Stage IV corrosion on internal surfaces; nozzles
missing or damaged............................................................................................x
Stage III corrosion on internal surfaces...............................................................
x
HYDRAULIC SYSTEM:
Lines, hoses and fittings
Kinked; broken; leaks or seeps; checked or cracked;
fungus growth; loss of flexibility ....................................................................x
Pump and/or fluid reservoir
Body cracked or broken; stage III corrosion........................................................x
Stage II corrosion on internal surfaces................................................................
x
Cylinders and valves
Stage III corrosion...............................................................................................x
Stage II corrosion on rods and/or internal surfaces
of cylinders and valves..................................................................................
x
Operating fluid
Contaminated......................................................................................................
x
Gaskets and seals
Deteriorated; leaks or seeps ...............................................................................x
Filters
Stage III corrosion on internal surfaces...............................................................x
Stage II corrosion on internal surfaces; element
contaminated ......................................................................................................
x
DRIVE SPROCKETS AND CHAINS:
Drive sprockets
Cracked or broken; stage IV corrosion................................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
Drive chains
Stage III corrosion; cracked or broken links ........................................................x
Stage II corrosion; pins and/or rollers frozen.......................................................
x
BROOM ASSEMBLY:
Shaft ends, end plates, wire
rope, cable, and core ends.
Stage IV corrosion ..............................................................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
Stage III corrosion; frozen...................................................................................x
Stage II corrosion................................................................................................
x
Locking pins
Stage IV corrosion; frozen: missing ....................................................................x
III-II-2
