SECTION 35 - HYDRAULIC SYSTEMS - CHAPTER 1
35-8
Assembly
1. Lubricate all seals, O-rings, and sliding surfaces
before assembly.
2. Install a new rod seal inside the cylinder head, 1.
Drive a new wiper seal, 2, in place in the face of
the cylinder head. Install an O-ring, 3, and
back-up washer in the outer groove on the
cylinder head, with the back-up washer, 4,
toward the outer face of the cylinder head. Slide
a new retaining ring and the cylinder head
assembly over the piston rod.
A1411/9-9
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2
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3. Capture the piston rod using a bar through the
hole in the end. Install piston, 2, with the
recessed end facing out. Install the locknut, 1,
and torque it to 210 N⋅m (155 ft-lb).
4. Install the piston seal, 3.
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2
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5. Lubricate the cylinder barrel with oil, and
carefully insert the complete piston rod assembly
into the barrel, using caution not to damage the
seals on the retaining ring groove. Push the
cylinder head into the cylinder barrel far enough
to expose the retaining ring groove, and install
retaining ring, 2. Pull the piston rod outwards to
seat the cylinder head, 1, against the retaining
ring.
6. Install setscrew, aligning it with the groove in
cylinder head.
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