TM-9-2350-358-BD
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A6
TECHNICAL MANUAL; OPERATOR’S, UNIT, AND DIRECT SUPPORT SUPPORT MAINTENANCE
MARCH 1994
TM-9-2350-358-BD - Page 96 of 343
TM 9-2350-358-BD
4-5.
ENGINE SUBSTITUTIONS
General Information:
Availability of engines may become restricted to those found in damaged vehicles.
Basic engines from other vehicles can
be modified or configurations rearranged to fit the vehicle needing the engine (8V71T model 7083 engine will fit M107,
M109, M110, Howitzers, M578 Recovery Vehicle, and the M992 FAASV)
The main difference of the 8V71T series is the
turbocharger system.
When substituting a replacement engine it may be necessary to remove the turbocharger system
from the original engine and put on the substitution engine
The limiting speed dual-range governor (Recovery Vehicle
M578 only) performs the same function as the limiting speed governor with the additional capability of limiting the
maximum engine speed at two different values.
A non-turbocharged engine can also be used as a substitute but the
original turbocharger system must not be installed on the non-turbocharged version.
Cooling and exhaust connections
may require improvisation to complete the installation.
MODEL 7083-7391
4-4
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