Hydraulic Section 3 - Troubleshooting
Page 3-12 113101-000 MX15 / MX19 | Service Manual
3-10 H
YDRAULIC
Table 3-8:
Hydraulic Troubleshooting Table
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Component
Function
Lift Platform
Lower Platform
Steer Right
Steer Left
Drive Forward
Drive Reverse
Creep
Depression Mechanism Extend
Depression Mechanism Retract
Brakes
CV Check Valve X X
CYL1 Steering Cylinder XX
CYL2 Lift Cylinder X
CYL3 Depression Mechanism Cylinder (2) X X
DVDR Priority Flow Divider X XXXXXXXX
DVR2 Series Parallel Flow Divider X XX
FL1 Suction Strainer X XXXXXXX
FL2 Return Filter X XXXXXXX
MOT Drive Motors (2) X X X
OR1 Lift Cylinder Orifice X X
OR2 Depression Mechanism Orifice (2) X X
OR3 Brake Orifice X XX X
PMP Pump X XXXXXXX
RES Reservoir X X XXXXXXXX
RV1 Steering Relief Valve XX
RV2 Lift Relief Valve X
RV3 Main Relief Valve X X XXXXX
V1 Steering Right/Left Valve XX
V2A Lift Valve X
V2B Down/Emergency Lowering Valve X
V3A Depression Mechanism Extend Valve X
V3B Depression Mechanism Retract Valve (2) X
V4 Forward/Reverse Valve X X
V5 Series Parallel Valve (2) X XX
V6 Counterbalance Valve (2) X XX X
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