New Holland LS120 Repair Manual page 14

SECTION 00 - GENERAL INFORMATION
INSTALLATION OF ADJUSTABLE
FITTINGS IN STRAIGHT THREAD
0 RING BOSSES
1. Lubricate the O ring by coating it with a light oil or
petroleum. Install the O ring in the groove
adjacent to the metal backup washer which is
assembled at the extreme end of the groove, 4.
2. Install the fitting into the SAE straight thread boss
until the metal backup washer contacts the face
of the boss, 5.
NOTE: Do not over tighten and distort the metal
backup washer.
3. Position the fitting by turning out (counterclock-
wise} up to a maximum of one turn. Holding the
pad of the fitting with a wrench, tighten the
locknut and washer against the face of the boss,
6.
1
STANDARD TORQUE DATA FOR HYDRAULIC TUBES AND FITTINGS
TUBE NUTS
0 RING BOSS PLUGS
FOR 37° FLARED FITTINGS
ADJUSTABLE FITTING
LOCKNUT$, SWIVEL
JIC - 37° SEATS
TORQUE 1ORQUE
TUBING THREAD NEWTON
SIZE
OD SIZE
METERS
mm
In.
Min. Max.
4 6.4 1/4 7/16-20
12 16
5 7.9 5/16 1/2-20 16 20
6 9.5 3/8 9/16-18 29 33
8
12.7
1/2 3/4-18
47 54
10 15.9 5/8 7/8-14
72 79
12 19.1 3/4 1-1/16-12 104 111
14 22.2
7/8
1-3/16-12 122 136
16
25.4 1 1-5/16-12 149 163
20 31.8 1-1/4 1-5/8-12 190 204
24 38.1 1-1/2 1-7/8-12 217 237
32 50.8
2 2-1/2-12
305
325
These torques are not recommended for tubes of
12. 7 mm (1 /2"} OD and larger with wall thickness of
0.889 mm (0.035"} or less. The torque is specified for
0.889 mm (0.035"} wall tubes on each application
individually.
Before installing and torquing 37° flared fittings,
clean the face of the flare and threads with a clean
00-11
FOOT NEWTON FOOT
POUNDS METERS POUNDS
Min.
Max. Min. Max. Min. Max.
9
12
8
14
6
10
12 15
14
20 10 15
21 24 20 27 15 20
35
40 34 41 25 30
53 53
47 54
35
40
77 82 81 95 60 70
90 100 95 109 70 80
110 120 108 122 80 90
140 150 129 158 95 115
160 175 163 190 120 140
225 240 339 407 250 300
solvent or Loctite cleaner and apply hydraulic sealant
Loctite no. 569 to the 37° flare and the threads.
Install fitting and torque to specified torque, loosen
fitting and retorque to specifications.