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Explains the details found on the liftgate specification tag.
Describes the hydraulic and electrical flow for the Power Up function.
Describes the hydraulic and electrical flow for the Power Down function.
Describes the hydraulic and electrical flow for the Power Close function.
Describes the hydraulic and electrical flow for the Power Open function.
Diagram for 4/09-10/11 models with single pump/motor, single relay.
Diagram for 4/09-10/11 models with dual pump/motor, single relay.
Diagram for 10/11+ models with single pump/motor, dual relay.
Diagram for 10/11+ models with dual pump/motor, dual relay.
Schematic for cycle counter with a single power unit.
Schematic for cycle counter with a dual power unit.
Schematic for gravity down function with a single power unit.
Schematic for gravity down function with a dual power unit.
Instructions for checking oil level and viscosity.
How to address oil overflows from the reservoir.
Details on recommended liftgate battery type and specifications.
Troubleshooting steps when the liftgate fails to raise.
Diagnosing slow or no-raise issues with motor running.
Troubleshooting when platform lowers unexpectedly during up command.
Steps to diagnose slow or no-lower platform issues.
Addressing issues where the platform cannot reach full lift capacity.
Troubleshooting steps for a blown control switch fuse.
Procedure for bleeding air from the lift cylinders.
Troubleshooting when the platform fails to open or close.
Diagnosing slow platform opening or closing speeds.
Steps to fix issues with the platform not locking correctly.
Steps to diagnose and fix platform leaks.
Troubleshooting recurring circuit breaker trips.
Causes and solutions for an overheating pump motor.
Diagnosing and fixing squealing noises from the liftgate.
Instructions for handling internal pressure compensating valves.
Instructions for handling external pressure compensating valves.
Step-by-step guide for replacing lift cylinders.
Addressing squealing noise caused by tight cylinder seals.
Troubleshooting squealing noise due to a defective flow valve.
Fixing squealing noise from guard interference.
Resolving squealing noise from platform hinge pin interference.
Checking proper engagement of the travel latch mechanism.
Steps for installing the platform retaining ring.
Inspection points for liftgate columns.
Inspection points for liftgate dock bumpers.
Inspection points for the liftgate platform.
Inspection points for the liftgate runner assembly.
Inspection of hydraulic and electrical parts.
Concluding checks as part of the maintenance.
Annual inspection and PM procedures.
General| Brand | WALTCO |
|---|---|
| Model | WDV |
| Category | Lifting Systems |
| Language | English |
