Hydraulic System; Hydraulic Oil Change; Hydraulic Manifold; Hydraulic Motor Coupling - Meridian SEED EXPRESS Series Operator's Manual

10.2 HYDRAULIC SYSTEM

10.2.1 Hydraulic Oil Change

Anoilandfilterchangeisrecommendedannually
or every 400 hours of operation using an AW HVI
Hydraulic ISO 32 oil.
IMPORTANT
Never run the hydraulic pump unless the hydraulic
oiltankisfull(indicatedinsightlevelgauge).
1. Place a large waste oil container under
the inlet hose. The hydraulic tank holds
approximately ten gallons of oil.
2. Drain the hydraulic tank by removing the inlet
hose from the pump. Allow the tank to drain
completely.
3. Removeandreplacetheoilfilter.Applyathin
coat of oil to the rubber seal of the new oil
filter.Hand‑tightenonly.
4. Reconnect the inlet hose to the pump.
5. Fillthetanktothefilllineatthetopofthe
gauge with approximately ten gallons of AW
HVI Hydraulic ISO 32 oil. Replace the cap.
6. Start the engine and cycle all the cylinders
several times.
7. Recheck the oil level in the tank and add, as
needed.

10.2.2 Hydraulic Manifold

IMPORTANT
The manifold contains pressure relief valves
and solenoids which have been factory installed
andsetupforthemostefficientoperationofthe
seed tender. DO NOT adjust these relief valves
or replace the solenoid valves. If the unit is not
operating properly, refer to the Troubleshooting
section, call an authorized dealer, or call the
factory.

10.2.3 Hydraulic Motor Coupling

Changing the pump coupling does not require the
hydraulic tank to be drained. If the pump must
be disconnected, drain the hydraulic tank and be
prepared to catch any oil that remains in the two
hydraulic hoses.
1. Remove the orange protective cover from the
adapter assembly.
2. Remove the two pump mounting bolts.
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