Autoquip TORKLIFT T2 DOUBLE PANTOGRAPH - Manual (Page 24)

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6.3 General Maintenance
6.3.1 Hydraulic Cylinder Repair
6.3.1.1. Cylinder Removal
1. Raise lift to its full height and engage maintenance
devices. See “Maintenance Devices”.
2. Disconnect electrical power to lift. Follow lock out-
tag out procedure.
3. Disconnect hose on cylinder base end and insert
into oil-fill hole of reservoir.
4. Remove pin (A) on cylinder rod.
5. Remove bolts and retaining clips from cylinder base
(B).
6. Remove cylinder from lift assembly.
7. Push piston rod into cylinder to eject as much oil as possible into a container.
6.3.1.2. Disassemble Cylinder
1. Using a spanner wrench, turn upper bearing
assembly (A) clockwise until tip of retainer (B)
appears in slot. Place a small screwdriver under
retainer and turn it until retainer is completely
removed.
2. Be sure hose port is open to allow air into cylinder.
Pull piston rod out to remove rod, piston and
bearing.
3. After all internal components have been removed,
use a bright light to inspect inner walls (C) of barrel.
Use a cylinder hone to remove any apparent nicks
or scratches. Clean and flush barrel after honing.