Genie TZ-50 Service Manual

Also see for TZ-50: Operator's manual Servise manual Operator's manual Operator's manual

Contents

Genie TZ-50 Service Manual Manual pdf 38 page image

3 - 16 Genie TZ-50 Part No. 824982September 2014Section 3 • Scheduled Maintenance ProceduresBoom Extend/Retract11 Locate the boom extend/retract valve coils onthe function manifold. Push in and hold the redthumbscrew at the center of the valve stem.Result: The head of the thumbscrew shouldmove 1 /4 inch / 6 mm inwards.12 Release the red thumbscrew at the center of thevalve stem, to reset the valve.Note: The valve spool must be reset for theturntable rotate function to operate from themachine controls.13 Locate the boom extend/retract valve coils onthe function manifold. Pull out and hold the redthumbscrew at the center of the valve stem.Result: The head of the thumbscrew shouldmove 1 /4 inch / 6 mm outwards.14 Release the red thumbscrew at the center of thevalve stem, to reset the valve.Note: The valve spool must be reset for theturntable rotate function to operate from themachine controls.CHECKLIST B PROCEDURESB-5Perform Hydraulic Oil AnalysisReplacement or testing of the hydraulic oil isessential for good machine performance andservice life. Dirty oil may cause the machine toperform poorly and continued use may causecomponent damage. Extremely dirty conditionsmay require oil changes to be performed moreoften.Note: Before replacing the hydraulic oil, the oil maybe tested by an oil distributor for specific levels ofcontamination to verify that changing the oil isnecessary. If the hydraulic oil is not replaced atthe two year inspection, test the oil quarterly.Replace the oil when it fails the test. See E-1,Test or Replace the Hydraulic Oil.