Section 1: Assembly & Set-up
OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M
6/11/21
22
Driveline Hook-up
DANGER
!
To prevent serious injury or death:
•
The driveline must be connected to the flail mower first and
to the tractor’s power take-off shaft last. This helps to
prevent the possibility of lethal “whiplash” in the event that
the tractor's power take-off is unexpectedly activated.
•
Do not engage power take-off while hooking-up or
unhooking the driveline, or while someone is standing near
the driveline. A person’s body and/or clothing can become
•
Tractor power take-off shaft shield, driveline shields, and
implement input shaft shield must be installed and in good
working condition to avoid driveline entanglement and
projectiles flying off of the driveline.
•
Do not use a power take-off adapter. The adapter will
increase strain on the tractor’s power take-off shaft causing
possible damage to shaft and driveline. It will also defeat
the purpose of the tractor’s power take-off shield.
•
Make certain driveline yokes are securely fastened at each
end. A loose yoke can work free allowing the driveline to
•
Never use the driveline as a step to facilitate work on the
machine.
WARNING
!
To avoid serious injury or death:
•
Always follow “Tractor Shutdown Procedure” provided in
this manual before dismounting the tractor.
•
Check driveline when lowering implement to make sure it
does not interfere with the tractor drawbar at maximum
depth. If needed, shut tractor off and move or remove
drawbar to prevent driveline damage.
h
IMPORTANT:
The length of the two driveline halves
must meet the following criteria during operation:
•
They must overlap by at least 1/3 of their length.
•
They must not separate under any working
condition.
•
The ends of the two driveline profiles must never
reach the travel limit in any working conditions.
•
The difference in length between the ends of the
profile shafts and driveline shields must be
maintained, ensuring that the shields will always
provide maximum coverage of the sliding shafts.
IMPORTANT:
Check driveline collapsible and
maximum length before completing
instructions. Structural damage to the
tractor and implement can occur if these checks are
on page 26 and
on page 27.
h
Connect the driveline to the tractor’s 540 rpm power take-
off shaft:
1. Park tractor and implement on a level surface.
2. Shut tractor down before dismounting. Refer to
3. If tractor drawbar interferes with the driveline during
hook-up, disconnect driveline and move drawbar
forward, to the side, or remove.
4. If driveline collapsible length has not been checked,
go to
“Check Driveline Collapsible Length”
page 26. Otherwise, continue with step 5 below.
Driveline & Power Take-off Shaft Lubrication
Figure 1-15
5.
Carefully clean and lubricate
driveline coupler (A) and power take-off shaft (B).
Driveline Hook-up to Power Take-off Shaft
Figure 1-16
6.
Press down on button (C) and
hold or pull back lock collar (D) and hold.
IMPORTANT:
An additional driveline may be
required if implement is attached to more than one
tractor. In this situation, always check that the
characteristics and length of the driveline are
compatible with the specifications of the tractor.
IMPORTANT:
Before connecting the driveline to the
tractor’s power take-off shaft, check that the speed
and direction of rotation comply with the usage
instructions for the flail mower.
74974
A
B
74975
C
D