Autoquip FREIGHTLIFT FLH - Manual (Page 78)

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NOTES:
1. Industrial hydraulic oils formulated for high pressure uses and of the proper viscosity
contain anti-wear, anti-foaming, anti-rust additives making them acceptable.
However, it is best to contact Autoquip Customer Service for advance approval!
2. Use of improper oil will VOID the FREIGHTLIFT warranty!
3. The unit must be fully lowered to perform the filling operation.
POWER UNIT FLUSHING PROCEDURE
In high use or severe applications, it may be necessary to flush the entire hydraulic.
The parts and procedures are as follows:
Parts Required
 5 – 10 gallons of proper oil (depends on tank size - see “Oil Recommendations”)
 1 gallon of mild cleaning solvent
 Lint free rags
 A new pump (FLH1, 2, 3) or Deltatrol valve (FLH4, 5, 6)
 A new suction filter
DANGER !
To avoid personal injury or death, turn off the power and lock out the
power at the primary power disconnect switch before service or
maintenance per OSHA Lock-Out, Tag-Out procedures.
GENERAL MAINTENANCE