Assembly 31
15916 (Rev. 3/30/2007)
Tongue Installation for DO80-2 Pull-Type
Cutter (Figure 24)
Attach compression bracket (7) to front of gearbox
stand with lock washers (20) and nuts (21).
Align holes in tongue (1) to bottom hole of mast plate
(6) and insert bushing (14) through the holes, then
place washer (13) on bolt (12) and insert through mast
plate, bushing and tongue. Install lock washer (15) over
bolt and attach with nut (16).
Support tongue by attaching jack (27).
Attach compression member (4) to compression
bracket (7) with clevis pin (25) and cotter pin (17), then
attach front end to tongue with bolt (19), lock washer
(20) and nut (21). The compression member setting
must be adjusted when the cutting height is set.
Align H-frame (5) to tongue (1) and attach with clevis
pin (18) and two cotter pins (17).
Place key in gearbox input shaft, loosen clamp bolt (11)
on rear of driveline, and slide driveline onto gearbox
input shaft. Tighten clamp bolt and install cotter pin (30)
through driveline and input shaft. Snap rear tether
chain (32) around the compression link to prevent driv-
eline shield rotation.
Align driveline in H-frame and insert clevis pin (22)
through H-frame and carrier bearing (9). Attach by
inserting two cotter pins (17) in clevis pin (22). Snap
middle tether chain (32) around H-frame to prevent
driveline shield rotation.
Attach rear universal joint shield (8) to gear stand as
shown with bolts (28), washers (33) and nuts (31).
Place forward driveline shield, (10) over H-Frame and
attach with lock washer (29) and bolt (28)
Attach pipe (24) to H-frame using bolt (28), lock washer
(20) and nut (21). Attach front tether chain (32)
securely to tractor.
Optional Hydraulic Installation for DO80-2
Pull-Type Cutter (Figure 25)
Remove the crank (7) from pivot link holder (6), insert
pivot link (5) into pivot link holder (6), then install the
crank and cotter pin (8).
Remove bolt (2) from H-frame, install hydraulic hose
holder (3), and install bolt.
Install hydraulic cylinder (9) using clevis pins (11), then
route hose through hose holder (3).
Figure 25. Optional Hydraulic Lift Assembly
1. Pivot link kit
2. 1/2 x 5-1/2" Bolt
3. Hose holder
4. 1/2" Hex nut
5. Pivot link
6. Pivot link holder
7. Crank
8. 1/4 x 1-1/2"
Cotter pin
9. Cylinder
10. H-Frame
11. Clevis pin
12. Pivot nut
