Assembly Instructions For 37° (Jic) Flare Fittings - JLG 1850SJ Service And Maintenance Manual

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SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC 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

DO NOT FORCE A MISALIGNED OR SHORT HOSE/TUBE INTO ALIGNMENT. IT

PUTS UNDESIRABLE STRAIN ONTO THE JOINT EVENTUALLY LEADING TO

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.

3. Torque assembly to value listed in Table 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 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 configu-

• STEEL fittings with ALUMINUM or BRASS mating compo-

• ALUMINUM or BRASS fittings with STEEL mating compo-

• ALUMINUM or BRASS fittings with ALUMINUM or BRASS

mating components.

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