Assembly Instructions For 37° (Jic) Flare Fittings - JLG E450A Service And Maintenance Manual

SECTION 5 - BASIC HYDRAULIC INFORMATION & SCHEMATICS
Assembly Instructions for 37° (JIC) Flare Fittings
1. Inspect the flare for obvious visual squareness and con-
centricity issues with the tube OD. Ensure surface is
smooth, free of rust, weld and brazing splatter, splits,
dirt, foreign matter, or burrs. If necessary replace fitting
or adapter.
DO NOT FORCE A MISALIGNED OR SHORT HOSE/TUBE INTO ALIGNMENT. IT
PUTS UNDESIRABLE STRAIN ONTO THE JOINT EVENTUALLY LEADING TO LEAK-
AGE.
2. Align tube to fitting and start threads by hand.
THE TORQUE METHOD SHOULD NOT BE USED ON LUBRICATED OR OILY FIT-
TINGS. NO LUBRICATION OR SEALANT IS REQUIRED. THE LUBRICATION
WOULD CAUSE INCREASED CLAMPING FORCE AND CAUSE FITTING DAMAGE.
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3. Torque assembly to value listed in Table 5-3, 37° Flare
(JIC) Thread - Steel or Table 5-4, 37° Flare (JIC) Thread -
Aluminum/Brass while using the Double Wrench
Method per Double Wrench Method. Refer to FFWR and
TFFT Methods for procedure requirements if using the
FFWR method.
NOTE: Torque values provided in Table 5-3, 37° Flare (JIC) Thread -
Steel and Table 5-4, 37° Flare (JIC) Thread - Aluminum/
Brass 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.
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