Operation and maintenance manual

Section 220-0000 Steering System - Steering System Schematic
SM 1390 Rev 2 2-02
2
Fig. 1 - Steering System Schematic - Neutral Position
CONDITION BASED ON
ENGINE SHUTDOWN
1 - Hydraulic Tank
2 - Main Hydraulic Pump
3 - Emergency Steering Pump
4 - Emergency Valve
5 - Flow Amplifier Valve
6 - Check Valve
7 - Steering Valve
8 - Steering Cylinders
PRESSURE TEST POINT
A - Steering System Pressure
SM - 2686
6
4
3
1
2
RL
7
PT
LS
CR
CL
8
8
R
5
EF P PP HP LS HT T L
A
LEFT HAND
CYLINDER
RIGHT HAND
CYLINDER
BODY
HOIST
SYSTE
M