5.2.6
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 the threads, adjust
if necessary.
3. Apply hydraulic system oil to the O-ring.
4. Install
fi
tting (C) into port until
fi
tting is hand tight.
5. Torque
fi
tting (C) per value in chart.
Refer to
Table
5.12 O-Ring Boss (ORB) Hydraulic Fittings
6. Check the
fi
nal condition of the
fi
tting.
Figure 5.13: Hydraulic Fitting
Table 5.12 O-Ring Boss (ORB) Hydraulic Fittings (Non-Adjustable)
Torque Value
21
SAE Dash Size
Thread Size (in.)
ft·lbf (*in·lbf)
N·m
-3
3/8-24
*106–115
12–13
-4
7/16–20
14–15
19–21
-5
1/2–20
15–24
21–33
-6
9/16–18
19–21
26–29
-8
3/4–16
34–37
46–50
-10
7/8–14
55–60
75–82
-12
1-1/16-12
88–97
120–132
-14
1-3/8-12
113–124
153–168
-16
1-5/16-12
130–142
176–193
-20
1-5/8-12
163–179
221–243
-24
1-7/8-12
199–220
270–298
21.
Torque values shown are based on lubricated connections as in reassembly.
169890
195
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