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4flare-type hydraulic fittings, Table 7.9 metric bolt bolting into cast aluminum, Flare-type hydraulic fittings – MacDon R85 Rotary Disc 16 Foot Self-Propelled Windrower Headers User Manual

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MAINTENANCE AND SERVICING

7.2.3 Metric Bolt Specifications Bolting into Cast Aluminum

Table 7.9 Metric Bolt Bolting into Cast Aluminum

Bolt Torque

8.8

(Cast Aluminum)

10.9

(Cast Aluminum)

Nominal

Size

ft·lbf

N·m

ft·lbf

N·m

M3

1

M4

2.6

4

M5

5.5

8

M6

6

9

9

12

M8

14

20

20

28

M10

28

40

40

55

M12

52

70

73

100

M14

M16

Figure 7.4

A - Nominal Size

7.2.4 Flare-Type Hydraulic Fittings

1. Check flare and flare seat for defects that might

cause leakage.

2. Align tube with fitting before tightening.

3. Lubricate connection and hand-tighten swivel nut

until snug.

4. To prevent twisting the tube(s), use two wrenches.

Place one wrench on the connector body and with the
second, tighten the swivel nut to the torque shown.

Figure 7.5

A - Flare

B - Nut

C - Flareseat

D - Body

169457

105

Rev. F