HYDRAULIC UNITS
SWIVEL JOINT
IV-152TB53FR
DISASSEMBLY AND ASSEMBLY
General Cautions
• Carry out disassembly and assembly in a clean
work area and provide clean containers to hold the
disassembled parts.
• Clean thoroughly around the ports and remove the
paint on the joints of each part with a wire brush.
• Clean the disassembled parts with a cleaning fluid
such as diesel fuel.
• Replace the seals with new ones each time the
swivel joint is disassembled, applying a thin coat-
ing of grease to them.
• Check each part for abnormal wear or seizing. Also
remove any burrs or sharp edges, etc. with sandpa-
per or by a similar method.
• Check for foreign matter or dirt, etc. in the seal
grooves.
The following describes the disassembly procedure.
For assembly, follow the disassembly procedure in
the reverse order.
Disassembly
1. Take out the bolts and remove the spring washers,
then remove the flange (1) from the hub.
Bolt: 24.5~39.2 N·m
• During assembly, place a pipe on the stopper
pin of the shaft and check if the shaft rotates.
2. Remove the O-ring (2), snap ring (3) and thrust
ring (4).
• During assembly, make sure the snap ring fist
securely in the groove.
3. Remove the shaft (5) from the hub.
• Place a knock pin (6) against the shaft end and
tap with a hammer. Select a knock pin (6) made
of copper or plastic, etc.
• Apply a thin coating of hydraulic oil or grease
to the outer circumference of the shaft.
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