SkyTrak 6042 Service Manual - Manual (Page 21)

2.7 Model 6042 Legacy Origin 7/02
General Information and Specifications
4. Using a permanent type ink marker, make a mark
(Fig. 2-2, 2) on one of the flats on the nut and
continue it onto the static fitting or port.
5. Complete the joint by wrench tightening (Fig. 2-2, 3)
the nut the number of flats (4) specified in the table
for the size and type of fitting. This assembly
procedure is referred to as Flats From Finger
Tight (FFFT).
6. A less desirable tightening method is nut torque.
First follow 1 & 2 above. Apply clean petroleum
based oil to the male thread. Finger tighten the nut
onto the fitting. Torque the nut to the value listed in
the table.
b. Straight O-Ring Boss Fittings To
O-Ring Boss Ports
Improper assembly of this joint will result in leaking joints.
Under tightening of the fitting will result in the fitting
loosening during normal operation and the joint leaking.
Damaging the o-ring during assembly will result in
immediate joint leakage.
1. Inspect components to ensure that male and female
port threads and sealing surfaces are free of burrs,
nicks, or scratches, or any foreign material. If any
damage is found the bad part must not be used.
Clean any foreign material from the mating parts
before assembly.
2. Lubricate the o-ring with a clean petroleum based
lubricant.
3. Screw the fitting into the port.
4. Torque the fitting to the value listed in table.
Hose Ends, Tube Ends and Fitting Swivel Ends
To Fitting Male Ends
SAE
Size Tube
Conn.
(FFFT)
Swivel Nut
or
Hose Conn.
(FFFT)
Torque lb-ft (Nm)
w/Oiled
Threads
4 2 2 16 ± 3 (22 ± 4)
5 2 2 19 ± 4 (26 ± 5)
6 1-1/2 1-1/4 25 ± 5 (34 ± 7)
8 1-1/2 1 49 ± 10 (66 ± 14)
10 1-1/4 1 74 ± 11 (100 ± 15)
12 1-1/4 1 103 ± 15 (140 ± 20)
14 1 1 121 ± 18 (164 ± 24)
16 1 1 135 ± 35 (183 ± 47)
20 1 1 166 ± 33 (225 ± 45)
24 1 1 210 ± 40 (285 ± 54)
32 1 1 314 ± 54 (426 ± 73)
O-Ring Boss Fittings To
O-Ring Boss Ports
SAE Size Torque lb-ft (Nm)
4 14 ± 1 (19 ± 1)
5 18 ± 1 (24 ± 1)
6 23 ± 1 (31 ± 1)
8 41 ± 1 (56 ± 1)
10 45 ± 3 (61 ± 4)
12 72 ± 3 (98 ± 4)
14 95 ± 4 (129 ± 5)
16 118 ± 5 (160 ± 7)
20 154 ± 7 (209 ± 10)
24 162 ± 8 (220 ± 11)
32 229 ± 11 (311 ± 15)