Upright AB46 C - Page 53

Troubleshooting
Section
4-3AB46 Work Platform
4.1
Table 4-1 Troubleshooting Guide - Hydraulic Schematic - (continued)
Component . . Function Steer Riser Boom Extend Boom Raise Jib Cage Level Cage Rotate Slew Drive Diff Lock Drive Brake Release Parking Brake Release
Drive Pump X X
Charge Pump X X
Charge Pump Relief Valve X X
Bypass Valve 3 3 X
Differential Lock Valve X
P/O Differential Lock Valves X
Drive Motors X X
Brake Valve X X X
Brake Orifices X X X
Brakes XXX
3 Bypass valve is not energized during normal operation.