MacDon DWA - O-Ring Boss Hydraulic Fittings - Non-Adjustable

215626 117 Revision A
6.1.6 O-Ring Boss Hydraulic Fittings – Non-Adjustable
Torque values are shown in following table below.
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Figure 6.13: Hydraulic Fitting
1. Inspect O-ring (A) and seat (B) for dirt or obvious defects.
2. Check that O-ring (A) is NOT on the threads and adjust if
necessary.
3. Apply hydraulic system oil to the O-ring.
4. Install fitting (C) into port until the fitting is hand-tight.
5. Torque fitting (C) according to values in Table 6.12, page
117.
6. Check the final condition of the fitting.
Table 6.12 O-Ring Boss (ORB) Hydraulic Fittings – Non-Adjustable
SAE Dash Size
Thread Size (in.)
Torque Value
11
Nm lbf·ft (*lbf·in)
-2 5/16–24 6–7 *53–62
-3 3/8–24 12–13 *106–115
-4 7/16–20 19–21 14–15
-5 1/2–20 21–33 15–24
-6 9/16–18 26–29 19–21
-8 3/4–16 46–50 34–37
-10 7/8–14 75–82 55–60
-12 1 1/16–12 120–132 88–97
-14 1 3/8–12 153–168 113–124
-16 1 5/16–12 176–193 130–142
-20 1 5/8–12 221–243 163–179
-24 1 7/8–12 270–298 199–220
-32 2 1/2–12 332–365 245–269
REFERENCE
11. Torque values shown are based on lubricated connections as in reassembly.