Owner's manual

9. APPENDIX WHEATHEART - R SERIES AUGERS
9.4. TIGHTENING O-RING FITTINGS 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.