Wheatheart R Series Augers User Manual
Page 44
9. A
PPENDIX
W
HEATHEART
- R S
ERIES
A
UGERS
9.4. T
IGHTENING
O-R
ING
F
ITTINGS
R8-36, R8-41, R8-46, R8-51, R10-36, R10-41, & R10-51
44
30758 R1
2. On the angle fittings, back the lock nut off until washer bottoms out at top of
groove.
3. Hand-tighten fitting until back up washer or washer face (if straight fitting)
bottoms on face and o-ring is seated.
4. Position angle fittings by unscrewing no more than one turn.
5. Tighten straight fittings to torque shown.
6. Tighten while holding body of fitting with a wrench.
Table 9.5 “O” Ring Fittings
Tube Size
OD (in.)
Nut Size Across
Flats (in.)
Torque
Values
a
(Nm)
Torque
Values
a
(Lb-ft)
# of Turns to
Tighten (Flats)
(After Finger
Tightening) (Turn)
3/8
1/2
8
6
2
1/3
7/16
9/16
12
9
2
1/3
1/2
5/8
16
12
2
1/3
9/16
11/16
24
18
2
1/3
3/4
7/8
46
34
2
1/3
7/8
1
62
46
1-1/2
1/4
1-1/16
1-1/4
102
75
1
1/6
1-3/16
1-3/8
122
90
1
1/6
1-5/16
1-1/2
142
105
3/4
1/8
1-5/8
1-7/8
190
140
3/4
1/8
7/8
2-1/8
217
160
1/2
1/12
a. The torque values shown are based on lubricated connections as in reassemble.