Lift Cylinder Removal And Installation - Mec Speed Level 2684 RT Service And Parts Manual

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NOTE: Refer to Section 1 for seal replacement instructions.
Refer to Parts Section C for detailed parts list and illustration.
CLEAN ALL FITTINGS BEFORE DISCONNECTING HOSES.
CYLINDERS ARE HEAVY. PROVIDE PROPER SUPPORT BEFORE
REMOVING PINS.
ATTACH THE LIFTING DEVICE TO THE CYLINDER BODY.
LIFTING BY EITHER END WILL CAUSE THE CYLINDER TO EXTEND.
1. Raise the platform.
2. Connect overhead crane by appropriate lifting device to the platform.
3. Tag wiring and hoses for proper reassembly.
4. Disconnect wires from the cylinder.
5. Disconnect hydraulic hoses. Immediately cap and plug all openings to prevent con-
tamination.
6. Remove the bolt and nut that secure the cylinder head to the mounting pin on the
boom assembly.
7. While supporting the cylinder, carefully remove the mounting pin and lower the cylin-
der to the chassis.
8. Remove the bolt, lock washer and banjo pin from the lower mounting pin, then
remove the mounting pin.
9. Remove the cylinder.
10. Installation is reverse of removal.
NOTE: Apply one (1) drop of Loctite® to all bolts.
SUPPORT PLATFORM
"3084 Speed Level™ Sigma Lift" Service and Parts Manual
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Figure 3-7: Lift Cylinder Removal
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ART_3179
November 2009
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