MacDon A40-D, Operator'S Manual

Page: 229 / 240

214804
215
Revision A
O-Ring Boss Hydraulic Fittings
–
Non-Adjustable
Figure 8.13: Hydraulic Fitting
1. Inspect O-ring (A) and seat (B) for dirt or obvious
defects.
2. Check that O-ring (A) is NOT on threads and adjust if
necessary.
3. Apply hydraulic system oil to O-ring.
4. Install fitting (C) into port until fitting is hand-tight.
5. Torque fitting (C) according to values in Table 8.12,
page 215 .
6. Check final condition of fitting.
Table 8.12 O-Ring Boss (ORB) Hydraulic Fittings
–
Non-Adjustable
SAE Dash Size Thread Size (in.)
Torque Value 7
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
7. Torque values shown are based on lubricated connections as in reassembly.