JLG Lull 1044C-54 II Series Service Manual page 140

Fig. 6-49: Boom Section Gaps – Rear of 4-Section Boom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-50
Fig. 6-50: Lower Shim Installation - Rear of 4-Section Boom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-50
Fig. 6-51: Upper Shim Installation – Rear of 4-Section Boom. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-51
Fig. 6-52: Clearances Between Boom Sections – Rear of 4-Section Boom . . . . . . . . . . . . . . . . . . . . . 6-51
Fig. 6-53: Gaps Between Pads and Boom – Rear of 4-Section Boom . . . . . . . . . . . . . . . . . . . . . . . . . 6-52
Fig. 6-54: Clearances Between Boom Sections – Front of 4-Section Boom . . . . . . . . . . . . . . . . . . . . . 6-52
Fig. 6-55: Gaps Between Pads and Boom – Front of 4-Section Boom . . . . . . . . . . . . . . . . . . . . . . . . . 6-53
Fig. 6-56: Inner Boom Cross-Section at Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-54
Fig. 6-57: Middle (Forward) Boom Cross-Section at Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-54
Fig. 6-58: Middle (Forward) Boom Cross-Section at Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-55
Fig. 6-59: 4-Section Boom Cover Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-56
Fig. 6-60: Hose Connections, 4-Section Boom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-56
Fig. 6-61: Cylinder Pivot Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-57
Fig. 6-62: Upper Rear Slide Pad Removal – Middle (Rear) Boom Section . . . . . . . . . . . . . . . . . . . . . . 6-58
Fig. 6-63: Upper Rear Slide Pad Removal – Middle (Forward) Boom Section . . . . . . . . . . . . . . . . . . . 6-59
Fig. 6-64: Upper Rear Slide Pad Removal – Inner Boom Section. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-59
Fig. 6-65: Locations for Chain Attachment – Inner Boom Section. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-60
Fig. 6-66: 4-Section Boom Pivot Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-61
Fig. 6-67: Slide Pad Removal – Outer Boom Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-64
Fig. 6-68: Lower Front Slide Pad Removal – Middle (Rear) Boom Section . . . . . . . . . . . . . . . . . . . . . 6-65
Fig. 6-69: Disconnecting Hoses Between Sections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-66
Fig. 6-70: Extension Cylinder Removal – 4-Section Boom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-67
Fig. 6-71: Upper Front Slide Pad Removal – Middle (Rear) Boom Section . . . . . . . . . . . . . . . . . . . . . 6-68
Fig. 6-72: Upper Front Slide Pad Removal – Middle (Forward) Boom Section . . . . . . . . . . . . . . . . . . . 6-69
Fig. 6-73: Upper Chain – Middle (Forward) to Middle (Rear) Boom Sections . . . . . . . . . . . . . . . . . . . . 6-69
Fig. 6-74: Upper Chain Roller Assembly – Middle (Forward) Boom Section. . . . . . . . . . . . . . . . . . . . . 6-70
Fig. 6-75: Disconnecting Chains at Rear of Inner Boom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-71
Fig. 6-76: Disconnecting Chains at Rear of Middle (Forward) Boom . . . . . . . . . . . . . . . . . . . . . . . . . . 6-71
Fig. 6-77: Slide Pad Removal – Inner Boom Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-72
Fig. 6-78: Slide Pad Removal – Middle (Forward) Boom Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-73
Fig. 6-79: Grease Hose Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-74
Fig. 6-80: Rear Chain Roller Removal - Middle (Forward) Boom Section . . . . . . . . . . . . . . . . . . . . . . . 6-75
Fig. 6-81: Hose and Tube Removal – Inner Boom Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-76
Fig. 6-82: Upper Chain Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-77
Fig. 6-83: Upper Chain Roller Assembly – Middle (Rear) Boom Section . . . . . . . . . . . . . . . . . . . . . . . 6-77
Fig. 6-84: Removing Lower Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-78
Fig. 6-85: Slide Pads – Middle (Rear) Boom Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-79
Fig. 6-86: Chain and Hose Guide Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-80
Fig. 6-87: Tubes and Hoses – Middle (Rear) and Outer Boom Sections . . . . . . . . . . . . . . . . . . . . . . . 6-81
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