HYDRAULICS 1.114 Lift cylinder (54) Removal 1. Raise the boom to a suitable height and support using lifting equipment or support stands. 2. Stop the engine and chock the machine, apply the parking brake . 3. Refer to page 1.1 and dump hydraulic pressure then disconnect the battery. The lift cylinder weighs 130 kg (286 lb). Take care when handling, to avoid damage to components and injury to personnel. NOTE: On early models, the upper and lower attachment pins are slotted and retained by a locking plate. 4. Support the upper end of the cylinder (1). Remove the bolt (2), and washer (3) securing the upper attachment pin (4).
Drive out the upper attachment pin and lower the cylinder onto a suitable support placed between the chassis and side members. 5. Identify the hydraulic hoses to make sure they are reconnected correctly. Disconnect the two hydraulic hoses (5) from the cylinder (1), blank the cylinder and open hoses. Take care when removing the cylinder, that it does not damage the adjacent components. 6. Support the cylinder (1) and remove the bolt (6) and washer (7) securing lower attachment pin (8) to the chassis (9). Drive out attachment pin and remove cylinder from machine. Installation 1. Installation is the reverse of the above procedure. 2.
Refer to page 1.66, check the hydraulic level and replenish tank before engine is started. 1. Cylinder (54) 2. Bolt 3. Washer 4. Upper attachment pin 5. Hydraulic hoses 6. Bolt 7. Washer 8. Lower attachment pin 9. Chassis 3. Purge the hydraulic system by starting the engine and operating the service to fully extend and retract cylinder several times. 4. Refer to Page 1.66 and check the hydraulic level and replenish if necessary.