Hustler Turf Z4 manual Engine oil and filter, Engine air filter, Recommended service procedure

Left fuel tank

	Right fuel tank
Fuel shutoff valve
(shown in closed position)

Figure 9-3

Engine oil and filter

Check engine oil daily and after every 4 hours of operation. Tractor must be setting level when checking oil. Refer to engine manual and maintenance schedule for oil recommendation and capacities. Figure 9-4

Change the engine oil and filter after the first 5 hours of operation, per the engine manufacturer’s recommendations after that. If tractor is being operated in extremely dirty conditions, then it is recommended oil be changed more frequently.

Air cleaner

Figure 9-5

Safety filter

Oil filter

Oil drain

Engine oil fill & dipstick

Figure 9-6

with a damp cloth.

2. Before installing a new element, inspect it by placing a

bright light inside and rotate the element slowly, looking

for any holes or tears in the paper. Also check gaskets for

cuts or tears. Do not attempt to use a damaged element

which will allow abrasive particles to enter the engine.

Figure 9-4

Engine air filter

Perform engine air filter maintenance per the Service Interval chart shown elsewhere in this manual.

A specially designed dry filter is standard equipment on these tractors and supplies clean combustion air to the engine. Figure 9-5.

These units are equipped with a safety filter. The filter element slides over the safety filter. Figure 9-6

NOTE: The safety filter does not require servicing unless it becomes contaminated with dirt or moisture.

Recommended service procedure

1.Release clamps and remove element. Clean the canister

3.	Reinstall the dust cup. Make sure it seals all the way
4.	around the air cleaner body, then tighten the clamps.
	Check all fittings and clamps periodically for tightness
5.	and inspect hoses for holes or cracks.
	Periodically check the intake hose for signs of ingested
6.	dust. Locate and repair the source of ingested dirt.
	Never operate a machine without an air filter installed.

Overservicing

Overservicing occurs when an air filter element is removed for cleaning or replacement before it is necessary. Each time the filter is removed a small amount of dirt and dust could fall in the intake system. This accumulated dirt can cause a dusted engine. It only takes a few grams of ingested dirt over the normal

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