Related Manuals for Terex TL48
Summary of Contents for Terex TL48
- Page 1 Tech Tips Service Call: Removing Extension Cylinder for a TL48 Tools Required: Simple hand tools Nylon Strap Hoist/Overhead Crane Model(s): TL48 Tech-Tip 70 Released: 07/30/2021...
- Page 2 Tech Tips Tech Tip Safety Rules Danger Failure to obey the instructions and safety rules in the appropriate Operator's Manual and Service Manual for your machine will result in death or serious injury. Many of the hazards identified in the operator’s manual are also safety hazards when maintenance and repair procedures are performed.
- Page 3 Tech Tips Step 1 Position the upper boom in a horizontal position with no load in the platform. Steel tube Outrigger pad or block of wood A stand will need to be placed at the end of the steel section of the upper boom. This can be done by using a piece of tube and outrigger pads or wood blocks.
- Page 4 Tech Tips Step 2 Extend the boom to allow access to the opening on the inner boom. Remove the cylinder end support bracket. After the support has been removed, retract the inner boom. Location of opening in inner boom Location of screws that need to be removed Tech-Tip 70 Released: 07/30/2021...
- Page 5 Tech Tips Step 3 Remove the upper boom pivot pin. Place the shim, spacer and pivot pin in a safe place for reuse. If possible, use a short stub of a pin on one side and leave the pin partially in the boom and the elbow pin hole to maintain alignment.
- Page 6 Tech Tips Step 4 Tag the hydraulic lines on the extension cylinder. Remove the hydraulic lines and cap and plug the fittings. Escaping fluid under pressure can penetrate skin causing serious injury. Relieve pressure before disconnecting hydraulic lines. Keep away from leaks and pin holes. Use a piece of cardboard or paper to search for leaks.
- Page 7 Tech Tips Step 5 Remove the 4 fasteners that hold the extension cylinder to the inner boom. Tech-Tip 70 Released: 07/30/2021...
- Page 8 Tech Tips Step 6 Remove the set screw for the base end extension cylinder pin. Set Screw Location Tech-Tip 70 Released: 07/30/2021...
- Page 9 Tech Tips Step 7 Remove the cylinder pin. Slide the cylinder slowly out the rear of the upper boom. Support the cylinder as it is removed with a suitable lifting device. The boom assembly, including the platform, will have to be supported with a suitable lifting device prior to removal of cylinders.
- Page 10 Tech Tips Step 10 Reassemble the boom in reverse order. Use blue Loctite for the four screws securing the rod to the inner boom. Lubricate the pins before reassembly. Do not use your fingers in the bore to see if boom is aligned. Note: Prior to installation of cylinder pins, inspect for any nicks or burrs and remove if found.
- Page 11 Tech Tips Step 11 After assembly, operate the unit through its full range of motion from the lower controls to bleed air out of the hydraulic hoses and cylinder. Verify correct operation of the extension cylinder. Tech-Tip 70 Released: 07/30/2021...
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