Case IH MD72 - Page 58

SECTION 35 -- HYDRAULICS -- CHAPTER 1
35-4
3. Inspect the cylinder barrel for damage to the bore
surface. If necessary, remove the cylinder barrel
from the unit and wash out any contamination.
To remove the cylinder barrel, remove the
retaining cap screw, 1, and slide the pin, 2, out of
the casting. Note the position of the two spacers
on either side of the stop rod; the long spacer, 3, is
on the rear with the short spacer, 4, to the front.
Assembly
1. Lubricate all seals and sliding surfaces before
assembly.
2. Install a new back-up washer and O-ring in the
inner bore of the cylinder head, 1, with the
back-up washer towards the outer face. Drive a
new wiper seal, 2, into the outer face of the
cylinder head. Install a back-up washer, 3, and
O-ring, 4, into the outer groove in the cylinder
head, with the back-up washer towards the outer
face. Slide the new retaining ring and the cylinder
head assembly over the piston rod.
3. Install a new seal, 1, on the piston, 2. Install the
piston with the recessed end facing outwards.
Install the locknut, 3, and torque it to 163 - 176
N⋅m (120 - 130 lb ft).
600-6-4
1
2
4
3
5
600-6-5
1
2
4
3
6
600-6-6
1
3
2
7