Seal replacement - Extension cylinder
Remove the extension cylinder from the spreader.
Loosen the 8 bolts (item 12) and pull out the piston rod. Be carefulnot to damage the
piston rod and beware of oil spill. (It is best if you attach a hose on the front oil
connection of the cylinder and place the other end in a oil bin or a jerry can)
Remove the roll pin (item 2), the nut (item 3), the piston (item 4), the spacer
(item 5), the gland (item 7) and the washer (item 9) from the rod. Be sure that the
ring (item 10) stays on the painted part of the rod or take it off.
Check the piston rod and cylinder for damages that can cause leakage and repair or
replace when necessary.
Carefully remove the seals (items 1) from the piston, spacer, gland and washer, do
not damage the surfaces. Clean all parts. Place the new seals with oil or grease.
Place the washer, gland and the piston on the piston rod, tighten the nut and secure
it with the roll pin.
Slide the piston rod assembly into the cylinder and tighten the bolts (torque 23 Nm).
12
1 3
4 1
5
1 6
7 1
8
9 1
10
11
12 13
15
14
16
17
18
19
2
