Purging Air From Hydraulic Drift Preventative Valve Ppc Circuits Of Mid Link And Arm Cylinder - Komatsu PC350LC-8 Operation & Maintenance Manual

HIGH REACH DEMOLITION MANUAL
PURGING AIR FROM HYDRAULIC DRIFT PREVENTATIVE VALVE PPC CIRCUITS OF MID
LINK AND ARM CYLINDER.
REMARK
Purge air in accordance with section "Purging air from hydraulic
drift preventative valve PPC circuit of boom cylinder."
1. Connection of hydraulic drift preventative valve PPC circuits
of mid link and arm cylinders.
q For details of hose connections of the long boom PPC circuit,
see the parts list.
1 - Mid Link Safety Return Line.
2 - Boom Safety Return Line.
3 - Arm Safety Return Line.
2. Installation to mid link cylinder.
q Connect hose 5 in Figure 2 to hose 6 in Figure 3, then purge
air.
3. Installation to arm cylinder.
q Connect hose 2 in Figure 2 to hose 8 in Figure 4, then purge
air.
Figure 2. Drain Line
Figure 3. Mid link PPC line
INSTALLATION AND REMOVAL
Figure 1. Line on machine main body
Fig 4 Arm PPC line
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