JLG T500J Service Manual - Manual (Page 141)

SECTION 4 - BOOM & PLATFORM
3121200 – JLG Lift – 4-9
4.5 JIB CYLINDER
Removal
1. Swing the boom away from the tongue.
2. Place a suitable support or blocking under the plat-
form pivot.
3. Tag and disconnect the hoses running to the slave
cylinder. Cap or plug all open ends.
4. Remove the retaining pins and pivot pin from the rod
end of the cylinder.
5. Remove the retaining pins and pivot pin from the
barrel end of the cylinder and remove the cylinder
from the machine.
NOTE: The jib cylinder weighs approximately 40 lbs. (18
kg).
Installation
1. Lift the jib cylinder into position and install the pivot
pin and retaining pin into the barrel end of the cylin-
der.
NOTE: The jib cylinder weighs approximately 40 lbs. (18
kg).
2. Install the retaining pins and pivot pin into the rod
end of the cylinder.
3. Connect the hoses running to the jib cylinder as
tagged during removal.
Function the slave cylinder through several cycles and
check for proper operation and any leakage