TM 5-3805-281-24-1
Theory of Operation
CONTROL VALVE PILOT SIGNAL PASSAGES OPERATION
9025
05
40
swing park brake (B) when a dig function is actuated
The function of the dig (N) and propel (A) pilot signal
or to increase the system relief valve (O) pressure
passages is to send a electrical signal to the engine
setting through the shuttle valve (F) when a propel
and pump controller by the dig (D) and propel (E)
function is actuated.
pressure switches when a function is actuated. Also to
shift the flow combiner valve (I) and to release the
Continued on next page
CED,TX08227,3118
1905MAY981/2