Priming The Fuel System; Replacing The Fuel Filters - Toro 4045 Operator's Manual

Priming the Fuel System

Note: Prime the fuel system whenever any of the following
occurs:
•
You drained water from the fuel filter.
•
You replaced the fuel filter.
•
You ran the engine until the fuel tank is empty or drained
the fuel tank.
1. Park the machine on a level surface, stop the engine,
and remove the ignition key.
2. Open the front hood.
3. Ensure that the engine and the exhaust system are cool.
4. Ensure that the fuel tank is at least 1/4 full.
5. Rotate the battery-disconnect switch clockwise to the
On position.
6. Locate the priming button on the top of the filter
adapter for the primary fuel filter
Figure 128
1. Primary fuel-filter adapter
7. Press down and release the priming button repeatedly
until you feel resistance when pressing the priming
button (Figure 128).
8. If the engine does not start after priming the fuel
system and making several attempts to start the engine,
bleed the high-pressure fuel lines; refer to your engine
owner's manual or contact your Authorized Toro
Service Dealer.
(Figure 128).
2. Priming button
WARNING
The fuel system is under high pressure.
Bleeding the system without proper
precautions and training could result in injury
to you from injected fluid or fire or explosion.
Read the engine owner's manual for the
proper bleeding procedure or contact your
Authorized Toro Dealer.

Replacing the Fuel Filters

Service Interval: Every 250 hours—Replace the primary
and secondary fuel filters.
Replacing the Primary Fuel Filter
1. Park the machine on a level surface, stop the engine,
and remove the ignition key.
2. Open the front hood; refer to
Hood (page 81).
3. Place clean rags under the primary fuel filter
128).
4. Loosen the hose clamps and separate the primary fuel
filter from the fuel hoses
Note: Do not remove the hose clamps from the hoses.
Note: Discard the fuel filter.
5. Align the new primary fuel filter to the hoses with the
arrow printed on the filter pointing forward.
6. Slip the hoses over the hose fitting of the primary fuel
filter, and tighten the hose clamps
7. Replace the secondary fuel filter; refer to
Secondary Fuel Filter (page
91
Opening the Front
(Figure
(Figure 128).
(Figure 128).
Replacing the
92).