C 2, SB 740-97-38
APPENDIX III-M
ITEM DEFECTS FOR PAVING MACHINES, BITUMINOUS MATERIAL
Classification
Item
Defect
Major
Minor
AB
Springs, anchors, cable,
Stage IV corrosion; distorted or broken ............................................................... X
yokes and/or linkage
Stage III corrosion; frozen ...................................................................................
X
Stage II corrosion ................................................................................................
X
LEVELING ARM ASSEMBLY:
Stage III corrosion; cracked or broken welds; distorted or
warped ................................................................................................................ X
Stage II corrosion on pivot shafts and bearings ..................................................
X
HOPPER AND BAR FEEDER:
Hopper feeder chains, flight
bars and/ or hopper feeder
gates
Stage III corrosion; cracked, broken or distorted................................................. X
Critical surfaces of shafts
and bearings
Stage II corrosion; damaged threads .................................................................. X
SCREW CONVEYOR:
Stage IV corrosion; cracked or broken paddles................................................... X
Stage III corrosion ...............................................................................................
X
Stage II corrosion ................................................................................................
X
OSCILLATING AXLE AND TRUCK
ROLLERS:
Stage III corrosion; cracked or broken; frozen..................................................... X
Stage II corrosion on shafts or bearings..............................................................
X
SCREED UNIT TAMPER ASSEMBLY:
Jackknife assembly and
eccentric shafts
Stage III corrosion on shafts, bearings, bushings, springs
and bearing housings.......................................................................................... X
Stage II corrosion on shafts, bearings, bushings, springs
and bearing housings..........................................................................................
X
Hydraulic drive motor
Stage III corrosion on internal surfaces............................................................... X
Stage II corrosion on internal surfaces................................................................
X
Pulleys and sheaves
Cracked or broken; stage IV corrosion................................................................ X
Stage III corrosion ...............................................................................................
X
Stage II corrosion ................................................................................................
X
Drive belts
Checking; cracking; broken reinforcing; frayed; cut; loss
of flexibility and resiliency; fungus growth ...........................................................
X
Frame, supports and arms
Cracked; broken; warped or distorted; stage III
corrosion ............................................................................................................. X
Stage II corrosion ................................................................................................
X
Tamper frame assembly
Stage III corrosion on tamper bars and frames; cracked or
broken ................................................................................................................. X
Stage II corrosion on shafts and interior surfaces of pivot
brackets ..............................................................................................................
X
SCREED DEFLECTOR PLATE
ASSEMBLY:
Stage III corrosion on deflector blades; cracked, broken,
warped or distorted; damaged threads ................................................................ X
Stage II corrosion ................................................................................................
X
SCREED FRAME ASSEMBLY:
Stage IV corrosion; cracked, broken, 'warped or distorted
frame members................................................................................................... X
Stage III corrosion ...............................................................................................
X
III-M-4
C 2, SB 740-97-38
