Lull 944E-42 Service Manual - Manual (Page 322)

Hydraulic System
8.70 Model 644E-42/944E-42 Rev. 6/04
8.8.8 Service Brake Circuit & Troubleshooting
(Refer to Section 8.8.50, “Brake Circuit Description,” for a more detailed explanation of this circuit.)
REAR AXLE
Suction
Return
Load Sense
Pressure
Pilot Pressure
FRONT AXLE
HYDRAULIC
RESERVOIR
PUMP
ACCUMULATOR
CHARGE/SECONDARY
FUNCTION VALVE
LS
DRAIN P1
LSG ACR
SW P
ACF EF CF PIL PB
PBG
PPG
SW
ACCUMULATORS
SERVICE
BRAKE
VALVE
P
P
A
A
T
MU0530
Front Axle
Pressure Tap
Rear Axle
Pressure Tap