8
Parker Hannifin
Pump and Motor Division
Trollhättan, Sweden
Service Manual
Series F11
Bulletin HY30-5503-M1/UK
Disassembly, Series F11-250
Position the unit on a table provided with a hole for the shaft
or on a suitable fixture.
1. Remove the cap over the barrel post locating
screw by forcing a screwdriver through the top of the
cap and pulling it out. Remove the locating screw.
2. Insert a long screw, (tool on picture not available)
and knock the barrel post out of the end cap.
Remove the three cap screws and the end cap.
Retain the split shim located between the barrel
housing and the end cap.
3. Remove the four cap screws and the barrel hous-
ing. Remove the cylinder barrel off the pistons.
4. With a felt-tipped pen, mark the pistons and the
corresponding shaft sockets so that the pistons can
be re-installed in their original positions. Hold the
pistons as shown and lift them out.
5. Using a bearing press, push the shaft assem-
bly out of the bearing housing while positioning the
housing on a suitable support. The shaft assembly
can also be removed by grasping the housing and
carefully hitting the shaft against a wooden block.
Older version F11-250
