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Inspection of the Transmission Control Valve

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Assembly of the Four-wheel Drive Valve (If Equipped

Assembly of the Four-wheel Drive Valve (If Equipped

STEP 428

Use cleaning solvent to clean all metal parts.

STEP 429

Inspect the spool and the pistons for damage, wear, or scoring. Use new parts as necessary. Check that the orifice in the outer modulation piston is open. If this is plugged, modulation will be abrupt.

STEP 430

Inspect the control valve body for cracks, corrosion, and wear. Inspect the bores for wear or scoring. If the control valve body is bad, you must use a new transmission control valve.

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Case L-Series Loader Backhoe Transmission Update Kits Installation Instructions Manual 7-54022 - PDF