JLG T350 Service Manual - Manual (Page 139)

SECTION 4 - BOOM & PLATFORM
3121198 – JLG Lift – 4-7
4.3 MASTER 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 master
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 master cylinder weighs approximately 18 lbs. (8
kg).
Installation
1. Lift the master cylinder into position and install the
pivot pin and retaining pin into the barrel end of the
cylinder.
NOTE: The master cylinder weighs approximately 18 lbs. (8
kg).
2. Install the pivot pin and retaining pin into the rod end
of the cylinder.
3. Connect the hydraulic hoses to the master cylinder
as tagged during removal.
4. Cycle the master cylinder several times to check for
proper operation and any leakage.