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new filter by applying pressure to the outer rim of the
element to seat it in the canister. Do not apply pressure
to the flexible center of the filter.
4. Clean the dirt ejection port located in the removable
cover. Remove the rubber outlet valve from the cover,
clean the cavity and replace the outlet valve.
5. Install the cover orienting the rubber outlet valve in a
downward position – between approximately 5:00 to
7:00 when viewed from the end.
6. Secure the latches.
Cleaning the Radiator and
Screen
To prevent the system from overheating, the radiator
screen, radiator, and oil cooler must be kept clean. Check
the screen, radiator, and oil cooler daily and, if necessary,
clean any debris off of these parts. Clean these components
more frequently in dusty dirty conditions.
1. Remove the radiator screen.
2. Working from the fan side of the radiator, either spray
the radiator with a hose or blow it with compressed air.
2
1
Figure 44
1. Radiator 2. Oil cooler
3. Thoroughly clean the oil cooler (Fig. 44) and remove
any other debris that may have collected around the
components.
4. Clean the screen and install it.
Changing Engine Oil And Filter
Change oil and filter initially after the first 50 hours of
operation, thereafter, change oil and filter every 150 hours.
1. Park the machine on a level surface, lower the cutting
units, set the parking brake, and turn the engine off.
2. Remove drain plug and let oil flow into drain pan.
When oil stops, install drain plug.
1
Figure 45
1. Engine oil drain plug
1
Figure 46
1. Engine oil filter
3. Remove oil filter. Apply a light coat of clean oil to the
new filter seal before screwing it on. Screw filter on
until gasket contacts mounting plate, then tighten 1/2 to
2/3 of a turn. DO NOT OVER–TIGHTEN.
4. Add oil to crankcase, refer to Check Engine Oil.
Changing the Hydraulic
System Fluid and Filter
The hydraulic system filter must be changed initially, after
the first five hours of operation, and thereafter every 200
hours of operation or yearly, whichever comes first. Use a
genuine Toro oil filter for replacement. The hydraulic fluid
must be changed every 400 hours of operation or yearly,
whichever comes first.
1. Park the machine on a level surface, lower the cutting
units, set the parking brake, and turn the engine off.
2. If only the filter is to be changed, remove the reservoir
cap and insert the reservoir plug (Fig. 47) to block the
outlet. This will retain most of the fluid in the reservoir
when the filter is removed.
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