8.1.4 O-Ring Boss (ORB) Hydraulic Fittings (Non-Adjustable)
1. Inspect O-ring (A) and seat (B) for dirt or
obvious defects.
2. Check that O-ring (A) is
NOT
on threads and adjust if
necessary.
3. Apply hydraulic system oil to O-ring.
4. Install
fi
tting (C) into port until
fi
tting is hand tight.
5. Torque
fi
tting (C) according to values in Table
6. Check
fi
nal condition of
fi
tting.
Figure 8.8: Hydraulic Fitting
Table 8.7 O-Ring Boss (ORB) Hydraulic Fittings (Non-Adjustable)
Torque Value
21
SAE Dash Size
Thread Size (in.)
N·m
ft·lbf (*in·lbf)
-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
21. Torque values shown are based on lubricated connections as in reassembly.
214053
383
Revision A
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