TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Page V-34
Section V - Specifications
Component or Assembly (Procedure)
Ref.No./Steps
Metric
U.S.
Exhaust System - Specifications
Exhaust Restriction
Industrial
76 mm Hg
MAX
3 in Hg
1991 EPA Certification
114 mm Hg
MAX
4.5 in Hg
1994 EPA Certification with Oxidation
Catalyst
152 mm Hg
MAX
6 in Hg
L-1398