Shaft drive gearbox – Wheatheart WHR 80/100 x 31-71ft Augers PTO-SD User Manual
Page 23
WHEATHEART - GHR & WHR GRAIN AUGERS
3. A
SSEMBLY
PTO-SD D
RIVE
M
ODEL
3.5. S
HAFT
D
RIVE
G
EARBOX
30641 R1
23
3. Slip lower driveshaft segments through bearings on lower tube section.
Install a Woodruff key, and slide into shaft connector.
• Driveshafts on 10" x 51’, 61’, and 71’ augers require a square key.
4. Place a few drops of oil at each driveshaft bearing to allow for break-in.
5. Tighten all set screws on shaft connectors.
3.5. SHAFT DRIVE GEARBOX
The PTO-SD auger, depending on size, uses 1 of 2 gearbox assemblies.
G
EARBOX
MOUNTING
PROCEDURE
FOR
THE
FOLLOWING
AUGERS
1. Remove chain and secure half of the chain coupler to driveshaft using a
Woodruff key.
Important:
It is easier to fill gearbox with oil when flat. Fill half full only; do not overfill. See
Table 3.4.
Table 3.3
Auger
Size/Length
Shaft Size
Driveshaft Sequence From Discharge End
No. of Strap-
On Bearings
1st
2nd
3rd
8" x 31’
1-1/4”
(3.18 cm)
7' 4-1/2”
(2.25 m)
---
---
1
8" x 36’
1-1/4”
(3.18 cm)
4' 5-1/2”
(1.36 m)
3' 5-1/2”
(1.05 m)
---
1
8" x 41’
1-1/4”
(3.18 cm)
3' 9-1/2”
(1.15 m)
4' 5-1/2”
(1.36 m)
4' 7”
(1.40 m)
2
8" x 46’
1-1/4”
(3.18 cm)
10' 2-1/2”
(3.12 m)
6'
---
2
8" x 51’
1-1/4”
(3.18 cm)
13' 10”
(4.21 m)
7' 4-1/2”
(2.25 m)
---
2
8" x 56’
1”
(2.54 cm)
1' 3”
(0.38 m)
---
---
0
8" x 61’
1-1/4”
(3.18 cm)
6' 4”
(1.92 m)
---
---
0
8" x 71’
1-1/4”
(3.18 cm)
16' 4”
(4.98 m)
---
---
0
10" x 31’
1-1/4”
(3.18 cm)
---
---
---
0
10" x 41’
1-1/4”
(3.18 cm)
---
---
---
0
10" x 51’
1-1/4”
(3.18 cm)
---
---
---
0
10" x 61’
1-1/4”
(3.18 cm)
6' 4”
(1.92 m)
---
---
0
8” x 31’
8” x 46’
8” x 36’
8” x 51’
8” x 41’