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4
Preparing the Cutting Unit
Parts needed for this procedure:
1
Extended splined insert (right-hand threads)
1
Extended splined insert (left-hand threads)
2
Flange locknut (3/8 inch)—Model 140-5607 only
Procedure
Note:
You may discard all removed parts unless
otherwise stated.
1.
Remove all cutting units from the traction unit;
refer to your Operator's Manual.
2.
Restrain the reel to remove the existing splined
insert; refer to
Restraining the Reel for Removing
Threaded Inserts (page
3.
Remove the existing splined insert from each
end of the reel shaft using the reel driveshaft
tool (Part No. TOR4112 for the 5-inch reel and
Part No. TOR4074 for the 7-inch reel). Refer
to
Figure
3.
Important:
The splined insert on the left
side of the cutting unit has left-hand threads.
The splined insert on the right side of the
cutting unit has right-hand threads.
Important:
Clean the threads in the end of
the reel shaft of any debris or grease before
installing the kit splined insert and groomer
box.
Right side of cutting unit shown
1. Extended splined insert (Torque to 115 to 128 N∙m (85 to
95 ft-lb))
2. Apply medium-strength removable locking compound to
the threads.
21).
Figure 3
4.
Restrain the reel to install the new insert;
Restraining the Reel for Installing Threaded
Inserts (page
5.
Apply medium-strength thread-locking
compound (such as Blue Loctite® 243) to the
threads of the new longer splined insert, and
secure it to the reel shaft. Torque the insert to
115 to 128 N∙m (85 to 95 ft-lb).
Important:
compound to cure for 15 minutes before
continuing the procedure.
6.
Remove the carriage bolts and locknuts
securing the height-of-cut (HOC) brackets to the
cutting-unit side plates
Note:
Save the carriage bolts to install the new
height-of-cut brackets.
1. Height-of-cut bracket
2. Carriage bolt
3. Locknut
7.
Loosen the screws securing the height-of-cut
brackets to the front-roller shaft
8.
Remove the existing height-of-cut brackets and
the front roller from the cutting-unit side plates
(Figure
4).
Note:
Save the front roller for later installation.
9.
For 7-inch cutting units or if a support rod is
installed, remove the support rod and flip the
bolts around as follows:
A.
Remove the 2 flange-head bolts securing
g221766
the support rod, and remove the support
rod
(Figure
4
22).
Allow the thread-locking
(Figure
4).
Figure 4
4. Screw
5. Front roller
(Figure
5).
g035987
4).
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