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Home > Ordnance Documents and other related manuals > > Figure 1-39. Trimmer Valve
Figure 1-38. Priority Valve
Figure 1-41. Hold Regulator Valve.

Introduction to the X1100-3B Transmission, M1A1 Abrams Tank
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Figure 1-39.
Trimmer Valve.
y. Trimmer Boost Valve Body (fig. 1-40).  This valve is located
on top of the main control valve body.  The trimmer boost valve body
contains the trim boost regulator.
Spring force pushes the valve down and allows signal main pressure to
flow through the valve.  Oil pressure directed to the bottom of the
valve  regulates  the  flow  of  oil  through  the  valve.
Directing
modulator pressure to the upper land area of the valve moves it up
and decreases the oil flow through the valve.  The upward movement of
the  valve  is  proportional  to  the  amount  of  modulator  pressure
present.
Figure 1-40.
Trim Boost Regulator.
42
OD1710






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