Barko 830B, Руководство по обслуживанию

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20-17
®
RETURN BYPASS / RELIEF MANIFOLD
ATTACHMENT
PUMP
MANIFOLD
G-PORT
BARKO Machine Applications for RETURN BYPASS/ RELIEF
MANIFOLD:
BARKO P/N Barko Application
Ÿ
653-00940 930B, 937B
Ÿ
Provides make-up oil to the attachment pump. When the low side
pressure drops below 250 PSI , oil is directed back to the attachment
pump. 250 PSI is the factory recommended pressure value.
1 Return Manifold Relief Pressure Setting Procedure:
6.
1.
4.
5.
3.
2.
Install pressure transducer or 1000 PSI gauge
on G-Port on the Attachment Pump Manifold.
(Fig-3)
Loosen the Jam Nut on the Return Manifold
Relief Valve. (Fig-1)
Tighten jam nut on the Return Manifold Relief
Valve.
Adjust Return Manifold Relief Valve to 250
PSI (17.2 bar). ( Fig-1 or 2)
Run engine at full throttle.
Note:
Verify the Return Manifold Relief
Valve pressure does not change after you
have tightened the jam nut.
Start machine.
7.
8.
9.
Return engine to an idle.
Turn machine off.
Remove pressure transducer.
RETURN MANIFOLD
RELIEF VALVE
RETURN
MANIFOLD
RELIEF VALVE
Fig-1
Fig-2 Fig-3
JAM NUT
RETURN
MANIFOLD
05/30/2019
Updated
SERVICE