Assembly Instructions For O-Ring Face Seal (Orfs) Fittings - JLG G5-18A Service Manual

General Information and Specifications
2.8.6 Assembly Instructions for O-Ring Face
Seal (ORFS) Fittings
1. Ensure proper o-ring is installed. If o-ring is missing
install per o-ring Installation (replacement). Refer to
Section 2.8.17, "O-ring Installation (Replacement), " , for
procedure.
2. Ensure that surface is smooth, free of rust, weld and
brazing splatter, splits, dirt, foreign matter, or burrs. If
necessary, replace fitting or adapter.
NOTICE
Care should be taken when lubricating o-ring. Avoid
adding oil to the threaded connection of the fitting. The
lubrication would cause increased clamping force and
cause fitting damage.
3. Pre-lubricate the o-ring with hydraulic oil.
4. Place the tube assembly against the fitting body so that
the flat face comes in contact with the o-ring. Hand
thread the nut onto the fitting body.
5. Torque nut to value listed in below mentioned table
while using the Double Wrench Method. Refer to
Section 2.8.15, "FFWR and TFFT Methods, " , for
procedure if using the FFWR method.
Note: Torque values provided in below table are segregated
based on the material configuration of the connection.
Aluminum/brass fittings or aluminum/brass mating
components' indicate either the following
material configurations:
a. Steel fittings with aluminum or brass mating
components
b. Aluminum or brass fittings with steel mating
components
c. Aluminum or brass fittings with aluminum or brass
mating components.
2-30 G5-18A, 2505