Toro 03763, Installation Instructions Manual

Page: 4 / 24

4
Preparing the Cutting Unit
Parts needed for this procedure:
3 Extended splined insert (right-hand threads)
2 Extended splined insert (left-hand threads)
10 Flange locknut (3/8 inch)—Model 03768 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 19) .
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.
g221766
Figure 3
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.
4. Restrain the reel to install the new insert;
Restraining the Reel for Installing Threaded
Inserts (page 20)
.
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:
Allow the thread-locking
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 (
Figure 4 ).
Note:
Save the carriage bolts to install the new
HOC brackets.
g035987
Figure 4
1. Height-of-cut bracket 4. Screw
2. Carriage bolt 5. Front roller
3. Locknut
7. Loosen the screws securing the height-of-cut
brackets to the front-roller shaft (
Figure 4 ).
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
the support rod, and remove the support
rod (
Figure 5 ).
4