SANY LATIN AMERICA
8-8
SY195/205/215/225C9 Crawler Hydraulic Excavator
Disassembly and Assembly
Shop Manual - June 2013
2. Precautions prior to installation operation
●
Tighten all the screws and nuts (sleeve nuts) to speci
fi
ed torques.
●
Install the hoses without twisting or interference.
●
Replace the gaskets, O-rings, cotter pins and lock plates with new parts.
●
Bend the cotter pin or lock plate securely.
●
Before applying the adhesive, clean the parts of oil and dust. Apply 2 or 3 drops of adhe-
sive to the threaded portion.
●
Before applying the sealant to the gasket, clean the gasket surface of oil and dust. Check
the gasket for contamination or damage. Apply the gasket sealant evenly.
●
Clean all parts, and correct any damage, dents, burrs, or rust.
●
Apply engine oil to the moving parts.
●
Before installing a snap ring, make sure that the snap ring is mounted properly in the cir-
cular groove.
●
Before connecting the wiring connector, clean the wiring connector of oil, dirt or water.
Make sure that the wiring connector is connected securely.
●
Before using an eyebolt, check the eyebolt for deformation or deterioration. Screw on the
eyebolt as far as possible and align it to the direction of the hook.
●
Before tightening the split
fl
ange, tighten it evenly in turn in order to prevent over tighten-
ing on one side.
NOTE: After reassembling the hydraulic cylinder, main pump or other hydraulic equipment
that has been disassembled and repaired, it is necessary to bleed the air from the hydraulic
cylinder prior to initial operation of the cylinder. The purging procedure is performed as the
following:
1) Start the engine and run the engine at low idle.
2) Operate the work equipment control lever in order to cycle the movement of the hydraulic
cylinder 4 or 5 times. Hold the cylinder at where it is 100 mm from its stroke end.
3) Go on operating the hydraulic cylinder 3 or 4 times to its stroke end.
4) You can run the engine at normal speed after this operation.
NOTE: This procedure is to be performed before using your machine for the
fi
rst time after
repair or long storage.
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