Upright SB60 - Page 47

Troubleshooting
Section
4-3SB60 Work Platform
Engine Start and Run Drive Forward Drive Reverse Second speed Drive Steer Right Steer Left Axle Float Brake Release Boom Raise Boom Lower Boom Extend Boom Retract Jib Raise Jib Lower Platform Rotate Turret Rotate Cage Level Emergency down
2 Speed Valve X
Auxillary Pump X X X X X
Axle Lock PO Check X X X
Axle Lock Valve X X X
Boom Flow Divider .9GPM X X X X
Boom Power Valve XXX
Boom Power LS CV XXXXXXXXX
Brake X
Brake Valve X
Bypass Valve X
Down Relief X
Drive Motor XXX
Dump Valve XXXXXXXXXX
Extend Cylinder X X
Extend Hydrostat Valve X X
Extend LS CV X X
Extend Orifice 2 GPM X
Extend Overcenter Valve X X
Extend Relief X X
Extend Shuttle Valve X X
Extend Valve X X
Flow Divider For / Aft X X X
Flow Divider Side / Side X X X
Hydrostatic Pump X X X X
Jib Cylinder XX
Jib Overcenter Valves X X
Jib Relief Down X
Jib Valve XX
L S Bleed XXXXXXXXX
Level Valve X
Level Valve LS CV X
Lift Cylinder X X
Lift Hydrostat Valve X X
Lift LS CV X X
Lift Orifice 3.5 GPM X X
Lift Overcenter Valve X
Lift Shuttle Valve X X
Lift Valve X X
Main Relief XXXXXXXXX
Master Cylinder X
Master Cylinder Overcenter Valves X
Oscillating Axle Cylinder X
Platform Rotator X
Platform Rotator Flow Divider .2 GPM X
Platform Rotator Relief Valves X
Platform Rotator Valve X
Pump XX XXXXXXXXX
Retract Orifice 4.5 GPM X
Retract Relief X
Return Filter XXXXXXXXXX
COMPONENT
FUNCTION
Table 4-1 Trouble Shooting Guide - Hydraulic Schematic
4.1