Terex Genie GR-26J Service Manual

Also see for Genie GR-20J: Service manual Operator's manual

Section 3 • Scheduled Maintenance ProceduresPart No. 227656GT GR™-20J • GR™-26J 3 - 13March 2022CHECKLIST B PROCEDURESB-4Test the Emergency StopGenie specifications require that this procedure beperformed every 250 hours or quarterly, whichevercomes first.A properly functioning Emergency Stop is essentialfor safe machine operation. An improperlyoperating red Emergency Stop button will fail toshut off power and stop all machine functions,resulting in a hazardous situation.1 Turn the key switch to ground control and pullout the red Emergency Stop button to the onposition at both the ground and platformcontrols.Note: Rotate the red Emergency Stop button atplatform control one quarter turn in a clockwisedirection to restore the power supply. The redEmergency Stop button returns automatically tothe out, or on position.2 Push in the red Emergency Stop button at theground controls to the off position.3 Check the machine functions from the groundcontrols.Result: The machine functions should notoperate.4 Turn the key switch to platform control and pullout the red Emergency Stop button to the onposition at both the ground and platformcontrols.5 Push the red Emergency Stop button at theplatform controls to the off position.6 Check the machine functions from the platformcontrols.Result: The machine functions should notoperate.Note: The red Emergency Stop button at theground controls will stop all machine operations,even if the key switch is turned to the platformcontrol.B-5Test the HornGenie specifications require that this procedure beperformed every 250 hours or quarterly, whichevercomes first.The horn is activated at the platform controls andsounds at the ground as a warning to groundpersonnel. An improperly functioning horn willprevent the operator from alerting groundpersonnel of hazards or unsafe conditions.1 Turn the key switch to platform control andpull out the red Emergency Stop button to theon position at both the ground andplatform controls.Note: Rotate the red Emergency Stop button atplatform control one quarter turn in a clockwisedirection to restore the power supply. The redEmergency Stop button returns automatically tothe out, or on position.2 Push down the horn button at the platformcontrols.Result: The horn should sound.