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Section 1: Assembly & Set-up
7/31/20
RC4620 & RCM4620 Rotary Cutters 331-936M
20
Bar-Tite Hitch Assembly to Tractor Drawbar
Figure 1-12
Bar-Tite Hitch Hook-up
Refer to Figure 1-12:
Attach Bar-Tite Hitch to Tractor Drawbar
1. Insert 1" x 5 1/2" hex bolt (#1) through hitch top
plate (#2), hitch bushing (#3), hitch wear plate (#4),
tractor drawbar (#5), and washer (#6) as shown.
Secure with 1" locknut (#7). Tighten 1" locknut snugly
to remove all play and then back nut
one-quarter turn.
Do Not
torque 1" locknut.
2. Insert two 3/4" x 6" GR5 hex bolts (#8) through,
3/4" flat washers (#9), hitch top plate (#2), hitch wear
plate (#4), and formed hitch support (#10) as shown.
Secure with 3/4" locknuts (#11).
3. Tighten 3/4" locknuts to correct torque.
4. Remove 1" x 6 1/2" GR5 hex bolt (#12) and 1" lock
nut (#13) from hitch bushing (#3). Keep bolt and
locknut for reuse.
Attach Tractor to Rotary Cutter
Refer to Figure 1-13:
DANGER
!
To avoid serious injury or death:
A crushing hazard exists while hooking-up and unhooking the
implement. Keep people and animals away while backing-up
to the implement or pulling away from the implement. Do not
operate hydraulic controls while a person or animal is directly
behind the power machine or near the implement.
WARNING
!
To avoid serious injury or death:
The ball detent pin must be fully inserted into the park jack
with ball visible and popped out on the far side of the jack
before working on or around an unhooked cutter.
22265
Tractor Hook-up to Bar-Tite Hitch
Figure 1-13
1. Make certain park jack (#3) is properly attached to
cutter and secured with ball detent pin (#8).
2. Store center 3-point link in the tractor’s storage hook.
3. Start tractor, raise 3-point arms fully up, and carefully
back tractor within close proximity of clevis (#9).
4. Shut tractor down properly before dismounting. Refer
to
5. Verify tractor drawbar is adjusted correctly. Refer to
dimensions on page 15.
6. Raise or lower park jack (#3) to align bolt hole in
swivel clevis (#9) with hitch bushing (#11).
7.
Restart tractor and continue to back tractor up to
cutter hitch until hole in hitch bushing (#11) aligns
with holes in swivel clevis (#9).
8. Shut tractor down properly before dismounting.
9. Insert 1" x 6 1/2" GR5 hex bolt (#1) through swivel
clevis (#9) and hitch bushing (#11). Secure hex bolt
with locknut (#2). Tighten locknut snugly to remove
all play.
Do Not
torque 1" locknut.
10. Lower park jack (#3) until cutter hitch weight is
supported by tractor drawbar.
11. Remove park jack (#3) from hitch frame and attach it
to the left-hand wing storage base with ball detent
pin (#8). Make sure base is level with or lower than
the head especially after the wings are folded up.
See cover picture for correct positioning.
12. Attach hitch safety chain (#4) to tractor. Adjust chain
length to remove all slack except what is necessary
to permit turning. Securely lock chain hook to the
safety chain.
33870
IMPORTANT:
Before moving the cutter, relocate
park jack by storing it on the left wing deck. Make