Servicing The Pre-Filter; Replacing The Main Water Filter - Toro 09802 Operator's Manual

Servicing the Pre-Filter

Sediment can be removed by opening the ball valve,
with the water source attached, to flush (Figure 21). The
reusable filter screen may be removed for cleaning by
untwisting the clear cover (Figure 21) from the filter by
hand. Replace the clear cover and hand tighten only.
Important: Use of tools will damage the filter.
1. Body
2. Clear cover
Replacing the Main Water
Filter
The machine is a precision piece of equipment and
the quality or cleanliness of your water supply is very
important in determining the life of the machine. If your
water supply contains silt, sand, or other debris, you may
be required to install additional filtration or separation
equipment between your supply source and the machine.
Depending on the quality of water, the frequency of
the filter change will vary greatly. When the pump inlet
pressure decreases or the water system shuts down, it
usually means the water filter is restricted and must be
replaced. Never operate machine without a water
filter as severe damage may occur.
1. Position the machine on a level surface and make
sure that the engine is shut off. Shut off the water
supply.
2. Locate the main water filter assembly mounted below
the fuel tank. Press the bleed button (Figure 22) to
release air pressure from the filter body.
Figure 21
3. Ball valve for flushing
1. Filter body
2. Filter cartridge
3. Filter head
3. Unscrew the filter body of the assembly (Figure 22)
counterclockwise (as viewed from the bottom).
Remove the filter cartridge and discard it.
Note: To ease the removal of the filter body from
the filter head, a filter wrench is available. Refer
to Parts Catalog or contact your Authorized Toro
Distributor.
The water filter body is very heavy when filled
with water and the filter. Use caution when
unscrewing the filter body from the filter head.
4. Thoroughly rinse out the filter body to avoid
contaminating the water system. Make sure that the
o-ring (Figure 22) is in the groove. If it has come
out, wipe it dry, lubricate it with a light coating of
petroleum jelly, and replace it in the groove.
5. Thoroughly clean the filter head mounting surface
to avoid contaminating the water system when the
filter is installed.
6. Insert the new filter cartridge into the filter body.
7. Thread the filter body with the filter onto the filter
head. Hand tighten them.
8. Turn on the water supply and press the bleed button
on the top of the water filter head (Figure 22). Hold
the bleed button down until all air is purged from the
filter and water comes out of the opening.
26
Figure 22
4. Bleed button
5. O-ring