Inspecting Filter Element; Engine Maintenance; Cleaning Radiator And Screen; Changing Crankcase Oil And Filter - Toro Groundsmaster 345 Operator's Manual

C. Dry filter element using warm, flowing air
(160 F (71 C) max), or allow element to air–dry.
Do not use compressed air or a light bulb to dry
the filter element because damage could result.
Compressed Air Method
IMPORTANT: Do not remove plastic fin assembly
because back–blowing
removes dust from beneath fins.
A. Blow compressed air from inside to the
outside of dry filter element. Do not exceed 100
psi (689 kPa) to prevent damage to the element.
B. Keep air hose nozzle at least one inch
(25 mm) from pleated paper, and move nozzle up
and down while rotating the filter element. Inspect
element when dust and dirt are removed; refer to

Inspecting Filter Element.

CLEANING RADIATOR AND SCREEN

The screen and front of the radiator must be kept clean
to prevent the engine from overheating. Normally, check
the screen and front of radiator daily and, if necessary,
clean any debris off these parts. However, it will be
necessary to check and to clean the screen each
quarter hour and radiator checked every hour in
extremely dusty and dirty conditions.
Note: This situation may be particularly prevalent if the
rear discharge cutting unit is being used. The front of the
radiator can be cleaned thoroughly by blowing with
compressed air from the fan side of the radiator. Make
sure to clean out any debris that settles to the bottom of
the screen. The screen in front of radiator can be
removed—by loosening wing nuts at top of screen—to
make cleaning easier.
CHANGING CRANKCASE OIL AND
FILTER
Check oil level after each day's operation or each time
machine is used. Change oil and filter after first 50 hours
and every 100 hours operation thereafter. However,
change oil more frequently when engine is operated in
dusty or sandy conditions. If possible, run engine just
before changing oil because warm oil flows better and
carries more contaminants than cold oil.
1. Position machine on a level surface.
2. Disengage hood latch and open the hood. Set drain
pan under the housing and in line with drain plug .
3. Clean area around drain plug.
4. Remove oil drain plug and allow oil to flow into drain
pan. Remove and replace oil filter; refer to parts catalog
for part number.
26
AIR CLEANER MAINTENANCE
with compressed air

ENGINE MAINTENANCE

4. Wipe inside of air cleaner body with a damp cloth to
remove excess dust. Slide filter into air cleaner body
and secure it in place with wing nut and gasket.
5. Reinstall dust cup and baffle. Move thumb screw
behind air cleaner body and tighten it securely.
INSPECTING FILTER ELEMENT
1. Place bright light inside filter.
2. Rotate filter slowly while checking for cleanliness,
ruptures, holes, and tears. Replace defective filter
element.
3. Check fin assembly, gasket, and screen for
damage. Replace filter if damage is evident.
5. After oil is drained, reinstall drain plug, and wipe up
any oil that spilled.
6. Fill crankcase with oil; refer to Check Crankcase
Oil.

REPLACING FUEL FILTER

Replace the fuel filter after every 400 hours of operation
or yearly, whichever comes first.
1. Disconnect elbow fitting from rear of fuel filter
(Fig. 33).
2. Disconnect front of filter from elbow fitting (Fig. 33).
3. Install new filter and connect fittings. Start engine
and check for leaks.
3
1
Figure 33
1. Fuel filter
2. Rear elbow
3. Front elbow
2