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JLG | Compact Crawler Booms X13JP - X370AJ - Rubber Track Maintenance/Replacement

Use this checklist inspecting and maintaining the rubber tracks. Electric Motors that are not properly maintained will degrade over time and require premature replacement.
MaintainX
10/13/2022

JLG | Compact Crawler Booms X13JP - X370AJ - Rubber Track Maintenance/Replacement

Use this checklist inspecting and maintaining the rubber tracks. Electric Motors that are not properly maintained will degrade over time and require premature replacement.

    Checking Track Tension

    Stop the machine on a flat and solid ground. Raise the machine off the ground safely and, if needed, support it by applying stable blocks or jack stands under the undercarriage frame. In correspondence with the undercarriage central roller, measure distance “A” of the bottom of the roller to the hard internal part of the rubber belt. Track tension is normal if measure “A” is between 10 and 15 mm. If the tension is not within the above measure, or too tight, please follow the procedure illustrated in the fol

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      As an alternative to the above-mentioned procedure, you can follow the procedure below. In this case, the check is less accurate and precise. However, effective for evaluating if the rubber track is too slack.

        Stop the machine on a flat and solid ground. In correspondence of the upper skid of the carriage, measure distance of the bottom of the skid to the hard internal part of the rubber belt, lifting the belt manually. The track tension is normal if measure “A” is between 10 and 15 mm. If the tension is not within the above measure, or too tight, please follow the procedure illustrated in the following paragraph.

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          Tensioning Rubber Track

          DANGER: THE GREASE CONTAINED IN THE HYDRAULIC TRACKS IS UNDER PRESSURE. IF THE VALVE TRACK TENSION IS TOO LOOSE, IT COULD BE EXPELLED UNDER THE EFFECT OF THE PRESSURE OF GREASE, SERIOUSLY ENDANGERING THE SAFETY OF THE OPERATOR. WHEN GRAVEL OR MUD IS STUCK BETWEEN THE SPROCKET TEETH AND TRACK LINKS, REMOVE IT BEFORE TIGHTENING THE TRACKS.

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            Removing Rubber Track

            Stop the machine on a flat and solid ground. Raise the machine off the ground safely and, if needed, support it by applying stable blocks or jack stands under the undercarriage frame.

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            DANGER: THE GREASE CONTAINED IN THE HYDRAULIC TRACKS IS UNDER PRESSURE. IF THE VALVE TRACK TENSION IS TOO LOOSE, IT COULD BE EXPELLED UNDER THE EFFECT OF THE PRESSURE OF GREASE, SERIOUSLY ENDANGERING THE SAFETY OF THE OPERATOR.

              Installing Rubber Track

              DANGER: BEFORE INSTALLING THE RUBBER TRACKS, MAKE SURE THAT YOU ARE ALWAYS IN SAFE CONDITIONS WITH THE MACHINE SUSPENDED FROM THE GROUND.

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                UNDERCARRIGE COMPONENTS

                Machine Positioning

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                Replacement Roller Lower Wheel and Tracks Adjuster

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                  Disassembly

                  Assembly

                  Replacement Sprocket and Gear Motor

                  Sprocket Removal

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                  Gear Motor Removal

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                  Gear Motor Installation

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                  Sprocket Installation

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                  TRACKS EXTENSION REMOVAL

                  TRACKS EXTENSION REMOVAL

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                  NOTE: Before to install the undercarriage frame inspect the slide guides 9.

                    Maintenance Tasks

                    Inspecting The Mounting Bolts

                      NOTICE: TO COMPENSATE FOR SETTLING, THE BOLTS MUST BE RETIGHTENED WITH THE PRESCRIBED TIGHTENING TORQUE. RETIGHTENING MUST BE EXECUTED WITHOUT EXERTING ADDITIONAL EXTERNAL STRESS ON THE BOLTED UNION

                        Execution only by a specialist.

                          Special tools required

                          Lubricating The Slew Drive

                          NOTICE: REGULARLY LUBRICATE THE SLEW DRIVES TO PROLONG THEIR SERVICE LIFE AND ENSURE SAFE OPERATION.

                            NOTICE: ALWAYS USE THE LUBRICANTS SPECIFIED IN THE ORDER DRAWING. IF USING OTHER LUBRICANTS PAY ATTENTION TO THE RELATIVE MIX ABILITY OF THE SUBSTANCES. THE STANDARD LUBRICANTS USED ARE “R.TECC NORPLEX LKP2” FROM RHENUS, OR THE GREASE "OPTIMOL LONGTIME PD0" FROM CASTROL. IF IN DOUBT, OR IF THERE IS NO SPECIFICATION ON THE DRAWING, CONSULT WITH OUR CUSTOMER SERVICE. USING THE WRONG LUBRICANT MAY CAUSE DAMAGE TO THE SLEW DRIVES AND REDUCE THE SERVICE LIFE. IN THIS CASE, ANY WARRANTY SHALL BE EXCLUDED. COMPLY

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                            Lubricating The Slew Drive

                          Source: MaintainX (Community Member)

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