Terex Genie S-120 Service Manual

Also see for Genie S-100: Maintenance manual Maintenance manual Maintenance manual Operator's manual supplement Operator's manual

Section 3 • Scheduled Maintenance ProceduresPart No. 102916 S-100 • S-105 • S-120 • S-125 3 - 35January 2016B-16Test the Safety Envelope andCircuitsGenie requires that this procedure be performedevery 250 hours or quarterly, whichever comesfirst.Testing the machine safety envelope is critical tosafe machine operation. If the boom is allowed tooperate when a safety switch is not functioningcorrectly, the machine stability is compromisedand may tip over.Note: Refer to Repair Procedure, Limit Switch andLevel Sensor Locations for diagram showing thelocation of switches in this procedure.1 Start the engine from the ground controls.2 Raise the boom to approximately 60°.Note: For S-100 or S-105 models, proceed to step30.101 feet / 30.8 m Length Safety Switch,LSB2RS:3 Extend the boom to more than 80 feet / 24.4 m.Machines before SN 2710:4 Proceed to step 8.Machines after SN 2709:5 Push in the red Emergency Stop button to theoff position.6 Plug in the LSB2RS test jumper between thelower limit switch and the function manifold (J2and J4 connectors on the ground control box).7 Pull out the red Emergency Stop button to theon position and restart the engine.8 Disconnect the 68° proximity switch LSB14AOand install a wire jumper between pin 3 and pin4 of the Deutsch connector.Result: ">68 deg" should be present on thedisplay screen at the ground controls.9 Activate the function enable/high RPM buttonand extend the boom to 101 feet / 30.8 m.Result: The engine should stop and the boomextend function should be disabled.Result: If the engine does not stop and theboom continues to extend, the LSB2RS switchis out of adjustment or the wiring circuit is faultyand will need to be replaced or repaired. SeeRepair Section.Bodily injury hazard. If the boomextends to more than 101 feet/ 30.8 m without stopping theengine, stop immediately andretract the boom until the boom isextended to less than 100 feet /30.5 m. Failure to retract the boomcould result in death or seriousinjury.10 Using auxiliary power, retract the boom until theboom is extended to approximately 95 feet/ 29 m.11 Remove the wire jumper installed in step 8 andconnect the Deutsch connector to LSB14AO.CHECKLIST B PROCEDURES