Manual
8. APPENDIX WHEATHEART - SELF-PROPELLED AUGER KIT
8.2. TIGHTENING O-RING FITTINGS WHEATHEART BH & R SERIES
46 30761 R0
Torque figures indicated above are valid for non-greased or non-oiled threads
and head unless otherwise specified. Therefore, do not grease or oil bolts or
capscrews unless otherwise specified in this manual. When using locking
elements, increase torque values by 5%.
8.2. TIGHTENING O-RING FITTINGS
1. Inspect o-ring and seat for dirt or obvious defects.
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 8.2 Metric Bolt Torque
BOLT DIAMETER
(Nm) (lb-ft) (Nm) (lb-ft)
M3 0.5 0.4 1.8 1.3
M4 3 2.2 4.5 3.3
M5 6 4 9 7
M6 10 7 15 11
M8 25 18 35 26
M10 50 37 70 52
M12 90 66 125 92
M14 140 103 200 148
M16 225 166 310 229
M20 435 321 610 450
M24 750 553 1050 774
M30 1495 1103 2100 1550
M36 2600 1917 3675 2710