SkyTrak 8042 Service Manual - Manual (Page 31)

General Information and Specifications
2.6 Model 8042, 10042, 10054 Legacy Rev. 10/03
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 and male thread with a clean
petroleum based lubricant.
3. Screw the fitting into the port.
4. Torque the fitting to the values found in table.
c. Adjustable (Angle) O-Ring Boss Fittings To
O-Ring Boss Ports
Improper assembly of this joint will result in a leaking joint.
Failure to position the locknut properly will result in
damage to the o-ring. 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. Back off the locknut as far as possible (1). Make sure
the back-up washer is not loose. If the back-up
washer is loose the fitting must be rejected.
3. Lubricate the o-ring (2) and male thread with clean
petroleum based lubricant.
4. Screw the fitting into the port as far as possible by
hand (B & C).
5. To align the tube end (3) of the fitting to accept the
mating tube or hose, unscrew the fitting as required
but not more than one turn.
6. Using two wrenches, hold the fitting in the desired
position and tighten the locknut (4) to the appropriate
torque value listed in the table in Section 2.3.3, b.
“Straight O-Ring Boss Fittings To
O-Ring Boss Ports.”
O-Ring Boss Fittings To
O-Ring Boss Ports
SAE Size Torque lb-ft (Nm)
4 15 ± 1 (20 ± 1)
6 25 ± 1 (34 ± 1)
8 55 ± 5 (75 ± 7)
10 76 ± 5 (103 ± 7)
12 130 ± 5 (176 ± 7)
16 210± 10 (285 ± 14)
20 245 ± 35 (332 ± 47)
24 315 ± 45 (427 ± 61)
A
B
C
D
MA10,0820
1
2
3
4