SECTION 4 - BASIC HYDRAULIC INFORMATION & SCHEMATICS
3121788
4-27
20.
After the cylinder has been reassembled, the rod
should be pushed all the way in (fully retracted)
prior to the reinstallation of any holding valve or
valves.
21.
If applicable, install the cartridge-type holding
valve and fittings in the rod port block, using
new o-rings as applicable.
22.
Push the piston onto the rod until it abuts the
spacer end and install the attaching nut.
WHEN REBUILDING THE CYLINDERS, APPLY JLG THREADLOCKER PN
0100071 TO THE PISTON NUT, THEN TORQUE PISTON NUT. REFER TO
APPLICABLE CYLINDER ILLUSTRATION FOR TORQUE REQUIREMENT.
23.
Remove the cylinder rod from the holding fix-
ture.
24.
Position the cylinder barrel in a suitable holding
fixture.
NOTICE
EXTREME CARE SHOULD BE TAKEN WHEN INSTALLING THE CYLINDER
ROD, HEAD, AND PISTON. AVOID PULLING THE ROD OFF-CENTER,
WHICH COULD CAUSE DAMAGE TO THE PISTON AND CYLINDER BAR-
REL SURFACES.
25.
With barrel clamped securely, and while ade-
quately supporting the rod, insert the piston end
into the barrel cylinder. Ensure that the piston
loading o-ring and seal ring are not damaged or
dislodged.
26.
Continue pushing the rod into the barrel until
the cylinder head gland can be inserted into the
barrel cylinder.
27.
If applicable, secure the cylinder head retainer
using a suitable chain wrench.
28.
After the cylinder has been reassembled, the rod
should be pushed all the way in (fully retracted)
prior to the reinstallation of any holding valve or
valves.
29.
If applicable, install the cartridge-type holding
valve and fittings in the port block using new o-
rings as applicable. Refer Figure 4-16., Lift Cylin-
der on page 4-20.
Go to
to
order your
parts
