| Component (and item or area) |
Inspection Method |
Inspect For |
Disposition |
|
Item |
Type |
Material |
Value / Size |
Length |
|
| All gas conducting parts |
Visual |
Dark spots (evidence of leaking gasses) |
Replace part |
|
Muffler |
Cylinder with baffles and two mounting brackets |
Aluminized steel |
8.5 inches diameter |
43.5 inches |
|
|
|
Thin rusted areas |
Replace part |
|
Exhaust back pressure |
|
|
3 psi max. allowable |
|
|
|
|
Holes |
Replace part |
|
Muffler heat shield |
Double-wall |
Aluminum 0.05 inch thickness |
|
29 inches |
|
|
|
Deep dents |
Remove dents |
|
Left-hand exhaust pipe |
Seamless or welded tube |
Carbon steel 0.062 inch wall |
2 - 3/8 inches O.D. |
30 inches |
|
|
|
Constrictions |
Remove constricting matter |
|
Right-hand exhaust pipe |
Seamless or welded tube; with heat shield |
Carbon steel 0.062 inch wall; Shield 0.063 inch steel |
2 - 3/8 inches O.D. |
31 inches |
|
|
|
Other damage |
Replace parts with extensive damage |
|
Muffler Spout |
Seamless or welded tube |
Steel |
3 inches O.D. at muffler |
15 inches |
|
|
|
|
|
|
|
|
|
|
|
|
| "Fasteners |
brackets |
and heat shields" |
Visual & Manual |
Looseness and damage |
"Tighten loose parts |
repair or replace parts which have extensive damage." |
|
|
|
|
|
|
|