Textron Jacobsen HR800 User manual

This kit is intended for use on HR800 mowers.
!CAUTION
Before you install this kit, read the mower’s manual to
become familiar with the vehicle, the controls, and
proper use of the equipment.
Stay alert for potential hazards and follow all safety
precautions. Read all instructions completely and
make sure you understand them before proceeding
with the assembly.
1. Park the mower on a flat and level surface, lower cutting
units to the ground, disengage all drives, engage the
parking brake, turn the ignition switch to the OFF
position, and remove the key.
a. Wait for all movement to stop before making any
adjustments or modifications.
b. Allow sufficient time for the unit to cool down.
c. Take this opportunity to thoroughly inspect the
equipment and perform other required maintenance.
!WARNING
Before you attempt to clean, adjust, or repair any of
this equipment, lower cutting units to the ground,
disengage all drives, shut down the mower, and allow
the unit to cool. Remove the key from the ignition
switch and disconnect the power connector to prevent
accidental discharge and potential bodily injuries.
Preparation ______________________________________________________________________
1. Start the engine and lift the front deck off the ground.
Stop the engine and remove the key.
2. Place supports under the four corners of the front deck.
Lower the deck onto the supports.
3. Repeat for left and right wing decks.
Wing Decks ______________________________________________________________________
NOTE: Right wing deck assembly shown. Left wing deck
assembly similar.
1. Remove hardware (A) from the four locations shown.
The hardware will be reused with the mulching baffles.
2. Position the right wing deck mulching weldment (Item 1)
under the right wing deck. Loosely assemble hardware
(A).
3. Adjust the position of the mulching weldment as required
to obtain equal clearance for full rotation of the blades.
Securely tighten hardware (A).
4. Repeat for left wing deck using left wing deck mulching
weldment (Item 2).
A
A
A
A
A
A
1 / 2
A
A
Figure 1
INSTRUCTION SHEET
HR800 Mulching Kit 4382306
Litho in U.S.A. 7-2017 Part No. 4396353-Rev A
© 2017 Jacobsen, A Textron Company/Textron Innovations Inc.

2
Front Deck_______________________________________________________________________
NOTE: The left (B) and center (C) baffles are shown
exploded for clarity. Do not remove the baffles from the
front deck.
1. Remove hardware (D, E and F) from the four locations
shown. Hardware will be reused with the mulching
baffles.
2. Loosely assemble the center mulching baffle (Item 3) to
the deck using hardware (D).
3. Loosely assemble the center mulching baffle (Item 3) to
the left deck baffle (B) using one M8-1.25 x 20 mm hex
head screw (Item 7), two flat washers (Item 5) and
nylon insert nut (Item 6).
4. Loosely assemble the right mulching baffle (Item 9) to
the deck using hardware (E).
5. Loosely assemble the right mulching baffle (Item 9) to
the center mulching baffle (Item 3) using one M8-1.25 x
20 mm hex head screw (Item 7), two flat washers (Item
5) and nylon insert nut (Item 6).
6. Insert one M8-1.25 x 25 mm hex head screw (Item 4),
through flat washer (Item 5), right mulching baffle (Item
9), center deck baffle (C) and center mulching baffle
(Item 3). Loosely assemble one flat washer (Item 5) and
nylon insert nut (Item 6).
7. Insert two M8-1.25 x 20 mm hex head screws (Item 7),
through flat washers (Item 5), right mulching baffle
(Item 9), and right side of deck. Loosely assemble flat
washers (Item 5) and nylon insert nuts (Item 6).
8. Loosely assemble left mulching baffle (Item 8) to the
deck using hardware (F).
9. Loosely assemble left mulching baffle (Item 8) to the
center mulching baffle (Item 3) using one M8-1.25 x 20
mm hex head screw (Item 7), two flat washers (Item 5)
and nylon insert nut (Item 6).
10.Insert two M8-1.25 x 20 mm hex head screws (Item 7),
through flat washers (Item 5), left mulching baffle (Item
8), and left side of deck. Loosely assemble flat washers
(Item 5) and nylon insert nuts (Item 6).
11.Adjust the position of the mulching baffles as required to
obtain equal clearance for full rotation of the blades.
Securely tighten all hardware.
3
8
9
7
7
4
7
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
66
7
7
D
D
E
F
E
D
F
DB
C
Figure 2
Parts List _____________________________________________________________________
Item Part No. Qty. Description Serial Numbers/Notes
14380726 1 Baffle, Right Wing Deck
2 4380727 1 Baffle, Left Wing Deck
3 4373549 1 Baffle, Center Mulching
4 450192 1 Screw, M8-1.25 x 25 mm Hex Head
5 450390 16 Flat Washer, M8
6 450378 8 Nut, M8-1.25 Nylon Insert
7 450191 7 Screw, M8-1.25 x 20 mm Hex Head
8 4373546 1 Baffle, Left Mulching
9 4373551 1 Baffle, Right Mulching

3
Support ___________________________________________________________
If you encounter any problems while installing this kit,
contact your Jacobsen Dealer, or contact the Jacobsen
Customer Care department.
Jacobsen,A Textron Company
11108 Quality Drive
Charlotte, NC 28273
800-848-1636
http://www.Jacobsen.com