Wheatheart WHR 80/100 x 31-71ft Augers PTO-SD - Manual (Page 24)

3. A SSEMBLY WHEATHEART - GHR & WHR GRAIN AUGERS
3.5. S HAFT D RIVE G EARBOX PTO-SD D RIVE M ODEL
24 30641 R1
2. Place gearbox assembly on auger tube, leaving a minimum 1/16” clearance
between chain coupler sprockets.
3. Secure gearbox assembly to auger tube with half-tube clamps and four

7/16” x 1" bolts and locknuts.

G EARBOX MOUNTING PROCEDURE FOR THE FOLLOWING AUGERS
• 8" x 56’-61’-71'
• All 10" augers
These augers are equipped with chain couplers (pre-installed on gearbox).
See Figure 3.9.
1. Remove chain and secure half the chain coupler to driveshaft, using a
Woodruff key on 8" augers and a 1/4” x 1-1/2" square key on 10" augers.
Note: It is easier to fill gearbox with oil when flat. Fill half full only; do not overfill. See
Table 3.4.
2. Place gearbox assembly on auger tube then reinstall chain, leaving 1/16”
clearance between chain coupler sprockets. Tighten set screw.
3. Secure gearbox assembly to auger tube with half tube clamps and four

7/16” x 1" bolts and locknuts.
Important: Add EP90 lube oil to the gearbox before operating auger. Failure to do so will
void warranty. Do not overfill. Fill half full only.
Figure 3.8 Figure 3.7
Table 3.4
Auger Oil Requirements
all 6” 196 ml
(7 fl oz) 8” (up to and incl. the 51’)
8” (56’ and up)
700 ml (25 fl oz)
all 10”