Toro ProCore, Service Manual

Page: 27 / 122

ProCore Processor Page 3 -- 13 Engine
Engine Removal (Fig. 11)
1. Make sure machine is parked on a level surface with
the engine OFF. Remove key from ignition switch.
Chock wheels to prevent movement of machine. Re-
move spark plug wires from the spark plugs to prevent
the engine from starting unexpectedly.
CAUTION
The exhaust system may be hot. Avoid possible
burns, allow exhaust to cool before removing the
engine.
2. If engine is to be disassembled, it may be easier to
drain oil from engine before removing engine from ma-
chine.
3. Disconnect cables from the battery terminals. Re-
move negative battery cable first and then the positive
cable.
4. Unplug engine electrical harness connector from
machine wire harness (Fig. 13).
5. Disconnect positive cable and fusible link from the
starter motor (Fig. 13).
6. Disconnect wire harness connector from ignition
switch on engine.
7. Loosen screw that secures harness clamp to engine
(Fig. 13). Position machine wire harness away from en-
gine.
8. Loosen hose clamp that secures fuel hose to fuel fil-
ter inlet (Fig 12). Remove fuel hose from fuel filter. Plug
fuel hose to prevent leakage and contamination. Make
sure to clean up any spilled fuel. Position disconnected
fuel hose away from engine.
9. If necessary, remove air cleaner from engine (see Air
Cleaner Removal in this section).
10.Remove muffler guard (item 32), belt guard (item 26)
and belt cover (item 30) (see Drive Belt Covers in the
Service and Repairs section of Chapter 6 -- Chassis).
Make sure that tinnerman nuts (items 23 and 40) remain
positioned correctly for assembly purposes.
11.Loosen drive belt idler pulley. Carefully remove drive
belts from centrifugal clutch and jack shaft pulley.
12.If necessary, remove centrifugal clutch from engine
crankshaft (see Centrifugal Clutch Removal in this sec-
tion).
13.Remove four (4) cap screws, eight (8) flat washers
and lock nuts that secure engine to machine. Note that
negative battery cable and wire harness ground wire are
secured with the front, left corner screw (Fig 12). Also,
at that location, retrieve internal lock washer from be-
tween engine and wire connectors.
IMPORTANT: Make sure to not damage the engine,
fuel hoses, electrical harness or other parts while
removing the engine.
CAUTION
To prevent personal injury, make sure that engine
is properly supported as it is removed from the
machine. Engine weighs approximately 132
pounds (60 kg).
14.Carefully remove the engine from machine.
15.Remove engine parts and attachments as neces-
sary to repair the engine.
Figure 12
1. Hose clamp (filter inlet)
2. Fuel filter
3. Cap screw
4. Wire harness ground
5. Negative battery cable
5
1
4
3
2
Figure 13
1. Positive battery cable
2. Fusible link
3. Engine connector
4. Wire harness
5. Harness clamp
1
2
4
3
5
Engine