DISASSEMBLY AND ASSEMBLY
HYDRAULIC PUMP
5
4
HYDRAULIC PUMP 4I0AY001
Assembly
1. Insert the oil seal (25) into the body S (1).
• Make sure to use a new oil seal.
• Apply a small amount of grease to the lip on the
oil seal and around the outer circumference of the
oil seal itself.
• Insert the oil seal using the press-fitting jig A (see
the figure below), tapping it lightly with a hammer
to make it go in.
2. Insert the shaft (3) into the body S (1), and secure it
in place using the snap ring (27).
• Be careful not to damage the lip on the oil seal
while inserting the part.
3. Place the four belleville springs (26) onto the stopper
pin A (21), and insert the resulting assembly into the
body S (1).
• Be careful not to attach the belleville springs in the
wrong direction.
4. Insert the piston (19) into the body S (1).
5. Attach the oscillating pin (12) to the swash plate (10),
and attach the resulting assembly to the spherical
hole on the body S (1).
• Apply grease to the oscillating pin.
6. Insert the cylinder block assembly (4) into the body
S (1).