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All of the secondary systems mentioned
above are engineered to provide a smooth transi
tion of power instead of a sudden surge.
    is the same as on the primary side. This system
is explained in the primary system section of this
manual.
 
                 
(1) ALL 4150 MODELS - Passages inthe
secondary main metering system are identical to
those in the primary main metering system which
has already been explained.
           
    Some 4150 Models do not have power
enrichment on the secondary side.
 
           
                 
          (2) MODEL 4150G AND 4160 - The sec
ondary side of this model has no power valve. The
power enrichment system is contained on the
primary side and its function has been explained
earlier.
 
  D. POWER ENRICHMENT (SECONDARY
SIDE)
     
           
(1) MODEL 4150 - This model includes a
power valve and power enrichment system which
     
                 
Picture
                 
    Secondary Idle System 4150G and 4150MG    
                 
        -10-      

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