Wheatheart X160 Series - Manual (Page 50)

3. A SSEMBLY W HEATHEART - G RAIN A UGERS
X160-85, X160-105, X160-125
50 30875 R0
3.2.7. I
NSTALL THE
S
PEED
R
EDUCER ON THE
B
OOT
1. Lift the speed reducer and carefully slide it over the gearbox and lower
flighting shafts and against the face of the boot.
Important:
Use the supplied lifting lug on the speed reducer.
2. Fasten the speed reducer gearbox, PTO shield, and PTO transport strap to
boot using twelve 1/2” x 11-1/2” GR5 bolts and 1/2” locknuts (see Figure 3.13
for details).
3. Install the lower flight stop as follows ( Figure 3.14):
a. Use a wrench to rotate the lower flight bearing case on the speed reducer
until the bearing case keyway aligns with the lower flight shaft keyway.
b. Insert a 3/8”x3-3/8” square key into the shaft keyway.
c. Slide the lower flight stop over the lower flight shaft, and secure it in place
with a 7/16” x 3-1/2” GR5 bolt and 7/16” locknut.
4. Install the upper gearbox shaft square key as follows ( Figure 3.14):
a. Rotate the upper gearbox shaft bearing case until the bearing case keyway
aligns with the upper gearbox shaft keyway.
b. Insert the 3/8” x 1-3/4” square key into the shaft keyway.
c. Secure the square key with a keyway lock washer, a 3/8” lock washer, and
a 3/8” x 1-1/2” GR5 bolt.
Table 3.8 Install the Speed Reducer on the Boot
Diagram # Description Part # Quantity
1 Speed reducer 20558 1
2 Upper gearbox shaft n/a 1
3 Lower flight gearbox shaft n/a 1
4 PTO driveline strap 20705 1
5 PTO shield n/a 1
6 1/2” x 11-1/2” GR5 bolts 20777 12
7 1/2” locknuts 19599 12
8 Upper gearbox bearing case n/a 1
9 Upper gearbox shaft n/a 1
10 Lower flight bearing case n/a 1
11 Lower flight gearbox shaft n/a 1
12 Lower flight stop 20680 1
13 3/8” x 3-3/8” square key 11910 1
14 7/16” x 3-1/2” GR5 bolt 19547 1
15 7/16” locknut 19598 1
16 3/8” x 1-3/4” square key 17066 1
17 Keyway lock washer 20764 1
18 3/8” lock washer 19604 1
19 3/8” x 1-1/2” GR5 bolt 9900637 1