Page 1
FORM NO. 3323–876
Heat Shield Kit
for 17hp Kawasaki Engines
Part No. 100–3988
Loose
Note: Use the chart below to identify parts for assembly.
DESCRIPTION QTY. USE
Heat Shield
Flat W
Bolts
Nuts
Gaskets
Parts
ashers
IMPORTANT: This kit is for units that have
no heat shield or have a flat heat shield
installed. If the unit has a heat shield like the
one in figure 1 then no rework is required.
1
3
3
3
2
Installing Heat Shield
POTENTIAL HAZARD
• Components around engine will be hot if
the machine has been running.
INSTALLATION
INSTRUCTIONS
Printed in USA
The T
oro Company – 1999
All Rights Reserved
WHAT CAN HAPPEN
• Touching hot components can cause burns.
HOW TO AV
OID THE HAZARD
• Allow the machine to cool before
performing maintenance.
• Do not touch engine components when hot.
Page 2
Installation Instructions
Removing
Muffler
1. Remove lock washers and nuts holding muffler
to exhaust manifold and the lower support
hardware. Move muffler away from engine. Save
lock washers, nuts and lower support hardware
(Fig. 1).
2. Remove all gasket material from muffler and
engine manifold.
Note: The muffler can remain in the rear
bumper area.
13
67
8
4
m–4673
Figure 1
1. Heat
2. Muffler
3. Muf
4. Muf
Shield
fler Gaskets
fler Lower Support
Bracket and Hardware
5. Muf
6.
Lock W
7. Nut
Engine Deck
8.
9.
Rear Bumper
fler T
ubes
asher
Machines
without holes in
Engine Deck and no existing
Heat Shield
Note: You have to drill holes into the engine
deck if none exist for the heat shield.
1. Check the engine deck for holes under the
exhaust manifold. If there are no holes, you will
need to drill holes into the engine deck.
2. Remove both the left and right rear engine
guards (Fig. 2).
2
5
9
Note: Do not remove hydraulic reservoir
from right rear engine guard. Make
sure reservoir stays in upright position
(Fig. 2).
3
1
4
5
4
2
5
m-4730
Figure 2
1. Right
2.
3. Hydrualic
Rear Engine Guard
Left Rear Engine Guard
Up
Reservoir
Right)
(Keep
4. Nut
5. Bolt
3. Remove the four engine bolts that hold engine to
deck. This will allow you to gain access to
punch and drill holes.
2
Page 3
Installation Instructions
4. Mark and firmly center punch the two hole
locations as shown in figure 3.
Note: The middle hole does not need to be
marked.
2
1
4
1
1. 15/16”
2. 13/32”
Figure 3
Hole to Drill
3
2
3. 1”
4. T
op view of Engine Deck
m-4728
Machines
with holes in Engine
Deck and no existing Heat
Shield
Note: Proceed to Installing Heat Shield on
page 4.
Machines
with an existing Heat
Shield
1. Loosen all engine mounting bolts.
2. Remove the rear engine bolts and tip engine
forward to gain access to center heat shield bolt.
3. Remove the existing flat heat shield and discard
heat shield and hardware (Fig. 4).
5. Drill 3/16” pilot holes and then drill 13/32”
holes into engine deck (Fig. 3).
Note: The middle hole does not need to be
drilled.
6. Reinstall the four engine mounting bolts. Torque
bolts to 25–30 ft–lbs.
7. Reattach engine guard straps.
8. Proceed to Installing Heat Shield on page 4.
1. Existing
(Remove)
1
m-4683
Figure 4
Flat Heat Shield
3
Page 4
Installation Instructions
4. Loosely install new hardware in the center slot in
the engine deck (Fig. 5).
Note: Ensure that the center washer is
installed under engine deck next to nut.
5. Reinstall the engine bolts and tighten all engine
bolts to 25–30 ft–lbs.
6. Proceed to Installing Heat Shield on page 4.
2
1
m–4673
Figure 5
1. Heat
Shield
2. Center
Installed)
Hardware (Loosely
Installing
Heat Shield
1. Position heat shield on top of the engine deck
with large slots toward the rear of the machine.
Align slots in heat shield with holes or slots in
engine deck (Fig. 6).
Note: When installing heat shield, make sure
the center slot engages the neck of the
carriage bolt, if bolt is installed.
2. Install bolts, flat washers, and locknuts. Do not
tighten hardware. (Fig. 6).
Note: If you drilled holes in the engine deck,
the middle bolt, flat washer and lock
nut will not be installed.
3. Install gaskets onto the engine manifold (Fig. 1).
4. Install muffler onto the engine manifold with
lock washers and nuts. Install muffler lower
support bracket and hardware (Fig. 1 and 6).
5. Position heat shield as far rearward as possible
and tighten bolts, flat washers and locknuts
(Fig. 6).
2
4
5
6
1. Heat
2.
Engine Deck
3. Muf
4. Bolt
Shield
fler T
ubes
Figure 6
Flat W
5.
6. Locknut
7.
8. Nuts
asher
Large Slot in Heat Shield
8
2
1
7
m-4685
4
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