Servicing The Diesel-Oxidation Catalyst (Doc) And The Soot Filter; Fuel System Maintenance; Servicing The Fuel Filter; Using The Fuel-Pickup Tube - Toro Groundsmaster 4300-D Operator's Manual

Servicing the
Diesel-Oxidation Catalyst
(DOC) and the Soot Filter
Service Interval: Every 6,000 hours—Disassemble,
clean, and assemble the soot filter
of the DPF or clean the soot filter if
engine faults
3720
display in the InfoCenter.
If engine faults
CHECK ENGINE SPN
3720 0, or
ENGINE SPN FMI
16 display in the InfoCenter(Figure
filter using the steps that follow:
Figure 73
1. Refer to the Engine section in the Service
Manual for information on disassembling and
assembling the diesel-oxidation catalyst and the
soot filter of the DPF.
2. Refer to your authorized Toro distributor for
diesel-oxidation catalyst and the soot filter
replacement parts or service.
3. Contact your authorized Toro distributor to reset
the engine ECU after you install a clean DPF.
3251 0,
SPN FMI
0, or 3720
FMI SPN FMI
3251 0,
FMI
3720
CHECK ENGINE SPN
73), clean the soot
Fuel System
Maintenance

Servicing the Fuel Filter

Service Interval: Every 400 hours—Replace the fuel
SPN
16
1. Clean the area around the fuel-filter head
(Figure
CHECK
FMI
g214715
g213864
1. Fuel-filter head
2. Remove the filter and clean the filter head
mounting surface
g213863
3. Lubricate the filter gasket with clean lubricating
engine oil. Refer to the Engine Operator's
Manual for additional information.
4. Install the dry filter canister by hand, until the
gasket contacts the filter head, then rotate it an
additional 1/2 turn.
5. Start the engine and check for fuel leaks around
the filter head.

Using the Fuel-Pickup Tube

The fuel-pickup tube, located inside the fuel tank, is
equipped with a screen to help prevent debris from
entering the fuel system. Remove the fuel-pickup tube
and clean screen as required.
53
filter.
74).
Figure 74
2. Fuel filter
(Figure 74).
g021576