
Smart Power
®
 Systems 
A. C. MODULAR GENERATOR SYSTEM 
Page 7 of 54 
 
 
 
CASE DRAIN
x
y
RESERVOIR
PUMP
PROPORTIONAL
VALVE
CASE DRAIN
MOTOR
COOLER
FILTER
BOOST BLOCK
VENTURI BOOST
CHECK
VALVE
IN
BP
REG
 
 
Hydraulic schematic for LI-15, LI-20, and LI-25 
generator system (excluding Rescue tool pump system) 
Figure 1