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JLG | Compact Crawler Booms X13JP - X370AJ - Boom Maintenance

Use this checklist inspecting and maintaining the boom. 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 - Boom Maintenance

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

    BOOM MAINTENANCE

    Removal of the Boom Assembly

    Remove the platform and platform support as follows:

    NOTE: When removing the retaining pin from the rod end of the level cylinder, make sure the cylinder is properly supported

    Remove the boom from the turntable as follows

    NOTICE: HYDRAULIC LINES AND PORTS SHOULD BE CAPPED IMMEDIATELY AFTER DISCONNECTING LINES TO AVOID ENTRY OF CONTAMINANTS INTO SYSTEM.

      Disassembly of the Main Boom

      Boom and Platform

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        Inspection

        Inspect all boom pivot pins for wear, scoring or other damage, and for tapering or roundness. Replace pins as necessary.

        • Pass
        • Flag
        • Fail

        Inspect lift cylinder pins for wear, scoring or other damage, and for tapering or roundness. Ensure pin surfaces are protected prior to installation. Replace pins as necessary

        • Pass
        • Flag
        • Fail

        Inspect telescope cylinder rod attach pin for wear, scoring or other damage. Replace pin as necessary.

        • Pass
        • Flag
        • Fail

        Inspect inner diameter of boom pivot bushings for scoring, distortion, wear or other damage. Replace bushings as necessary.

        • Pass
        • Flag
        • Fail

        Inspect wear pads for wear

        • Pass
        • Flag
        • Fail

        Inspect all threaded components for damage such as stretching, thread deformation, or twisting. Replace as necessary.

        • Pass
        • Flag
        • Fail

        Inspect structural units of boom assembly for bending, cracking, separation of welds, or other damage. Replace boom sections as necessary.

        • Pass
        • Flag
        • Fail

        Assembly of the Main Boom

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        Installation of the Boom Assembly

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        PROXIMITY SENSOR ADJUSTMENT

        PLATFORM REMOVAL/INSTALLATION

        Removal

        Installation

        SKYGUARD INSTALLATION - ONE PERSON PLATFORM

        The purpose of this instruction is to install a SkyGuard system on JLG Compact Crawler Boom (platform capacity of one person) models listed below and with below pictured SkyGuard Bracket

        • 9.PNG

          It is recommended that you read and thoroughly understand these instructions before starting this procedure.

            NOTICE: USE ALL APPLICABLE SAFETY PRECAUTIONS WHILE WORKING ON, AROUND OR UNDER ANY MACHINERY.

              Options/Accessories Prohibited When Installing This Kit:

              Tools & Equipment Required:

              Personnel Required:

              Parts List:

              • 10.PNG

                Procedure:

                For Reference:

                • 11.PNG

                  Installation:

                  • 12.PNG
                  • 13.PNG
                  • 13.PNG
                  • 13.PNG
                  • 13.PNG

                  NOTE: Ensure the correct position of Shear Block Support (10) before installation.

                    • 13.PNG
                    • 13.PNG

                    NOTE: Tighten the Bolt (5) using appropriate allen wrench.

                      8. Repeat Steps 4 through 7 to secure SkyGuard switch assembly on the other side of the SkyGuard support bracket ensuring correct position of the shear block support before installation.

                        • 14.PNG
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                        CAUTION: WHEN THE SKYGUARD IS PUSHED WITH EXCESSIVE FORCE THE SENSOR SUPPORTS (ITEM 10 - FIGURE 4-13.) WILL BREAK. REPLACE WITH NEW SENSOR SUPPORTS BEFORE CONTINUING OPERATION OF THE MACHINE.

                          11. POWER ON the machine.

                          • 16.PNG

                          NOTICE: IF PLATFORM REMOVAL WILL BE NECESSARY, SKY GUARD EXTERNAL CONNECTOR HAS TO BE DISCONNECTED. THEN RECONNECTED WHEN THE PLATFORM IS INSTALLED ON THE MACHINE.

                            NOTE: If further information is required, please contact the JLG Service Department.

                              SKYGUARD INSTALLATION - TWO PERSON PLATFORM

                              The purpose of this instruction is to install a SkyGuard system on JLG Compact Crawler Boom (platform capacity of one person) models listed below and with below pictured SkyGuard Bracket.

                              • 17.PNG

                              NOTICE: USE ALL APPLICABLE SAFETY PRECAUTIONS WHILE WORKING ON, AROUND OR UNDER ANY MACHINERY.

                                Options/Accessories Prohibited When Installing This Kit:

                                Tools & Equipment Required:

                                Personnel Required:

                                Parts List:

                                • 1.PNG

                                  Procedure:

                                  For Reference:

                                  • 18.PNG

                                    Installation:

                                    • 19.PNG
                                    • 20.PNG
                                    • 20.PNG
                                    • 21.PNG
                                    • 21.PNG

                                    NOTE: Ensure the correct position of Shear Block Support (10) before installation.

                                      • 21.PNG
                                      • 21.PNG

                                      NOTE: Tighten the Bolt (5) using appropriate allen wrench.

                                        • 22.PNG
                                        • 23.PNG

                                        CAUTION: WHEN THE SKYGUARD IS PUSHED WITH EXCESSIVE FORCE THE SENSOR SUPPORTS (ITEM 10 - FIGURE 4-21.) WILL BREAK. REPLACE WITH NEW SENSOR SUPPORTS BEFORE CONTINUING OPERATION OF THE MACHINE.

                                          11. POWER ON the machine.

                                          • 24.PNG

                                          NOTICE: IF PLATFORM REMOVAL WILL BE NECESSARY, SKY GUARD EXTERNAL CONNECTOR HAS TO BE DISCONNECTED. THEN RECONNECTED WHEN THE PLATFORM IS INSTALLED ON THE MACHINE.

                                            NOTE: If further information is required, please contact the JLG Service Department.

                                            Source: MaintainX (Community Member)

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