HYDRAULIC SYSTEM
M6060, M7060, WSM
7-S27
Disassembling Hydraulic Cylinder
1. Remove the liquid gasket from top of head (2).
2. Slightly tap-in the head (2) to inside, and remove the internal
circlip (5) by using the small screwdriver.
3. If the internal circlip (5) cannot be removed by above-mentioned
method, remove it by the following procedure.
• Carefully clamp the cylinder tube (4) in a vise.
• Drill approx. 2.5 mm (0.1 in.) diameter hole on the cylinder
tube (position A) just over the internal circlip (5) as shown in
figure.
• Use a small screwdriver and remove the internal circlip (5).
Simultaneously support this action by pushing from the
outside of the cylinder tube with another small screwdriver
or similar tool.
4. Remove the rod (1) and head (2).
5. Inject the compressed air through the oil inlet port of the cylinder
tube (4), and remove the piston (3).
6. Remove the external circlip (6), and remove the head (2).
(When reassembling)
• Apply transmission fluid to the piston (3), head (2) and cylinder
tube (4).
• Be careful not to damage the O-ring, backup ring and seal.
• Apply liquid gasket (Three Bond 1206C or equivalent) to the top
of head (2), while pressing the head (2) against internal circlip
(5).
• After reassembling the cylinder, be sure to close the drilled hole
by liquid gasket.
9Y1210828HYS0031US0
Installing Piston Seal
1. Place the slide jig (2) on the piston (3).
2. Install the piston seal (1) to the piston using the slide jig. (See
page G-81.)
3. Compress the piston seal to the correct size by installing the
piston into the correcting jig (5).
• Do not turn (roll) the piston seal as you install it.
9Y1210828HYS0032US0
(1) Rod
(2) Head
(3) Piston
(4) Cylinder Tube
(5) Internal Circlip
(6) External Circlip
A : Position for drilling
L : 6.0 mm (0.236 in.)
(1) Piston Seal
(2) Slide Jig
(3) Piston
(4) Bearing Ring
(5) Correcting Jig
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