Wheatheart WHR 130 x 41ft Auger PTO-SD - Manual (Page 20)

3. A SSEMBLY WHEATHEART - GHR & WHR GRAIN AUGERS
3.6. EMD D RIVE GRAIN AUGERS
20 30661 R2
8. Position electric motor mount beneath auger as shown, about 1-1/2" to 2"
(3.81 cm - 5.08 cm) from gearbox assembly. Secure with two halfbands and
four 7/16" x 1-1/4" bolts and locknuts.
9. Slide the 15" pulley onto gearbox shaft with hub facing gearbox. Insert 1/4" x
1-1/2" square key, then tighten securely.
Figure 3.7
STEPS 10. THROUGH 17. MAY BE COMPLETED AT THIS TIME OR AFTER
AUGER TUBE AND UNDERCARRIAGE ASSEMBLY IS COMPLETED.
10. Place drive pulley onto motor shaft, then insert square key and tighten set
screws. (A 4" to 4-1/2" pulley is recommended. Pulley and square key are not
supplied).
11. Attach electric motor to motor mount with four bolts and locknuts (not
provided) and four square washers (provided). The square washers go inside
the mount channels.
12. Attach the “narrow” guard mount angle to the motor mount channels with two
7/16" x 1-1/4" bolts, square washers, and locknuts. Align angle with outside
edge of the mount channels.
13. Place belts on the pulleys and apply slight tension. Align the two pulleys with
a straight edge, then tighten set screws.
14. Apply final tension to belts with the 1/2” x 9" adjusting bolts on the motor
mount.
Note: The correct operating tension is the lowest tension at which the belts will not slip
under peak load conditions.
15. Place the short angle on top of the gearbox as shown and attach with two

1/2” x 1" bolts and lockwashers.