Ariens HVZ 915085-2350 Service Manual download pdf (Page 18)

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5.2 CHECKING ENGINE OIL

Check the engine oil prior to use.

IMPORTANT: Never operate the engine with the oil

below the low mark on the dipstick.

See the engine manual for oil specifications and oil

filter service instructions.

5.3 CHANGING OIL

Engine muffler and other parts will be hot if unit has

been running.

1. Engine oil should be changed after the first five

hours of operation and every 25 hours there after.

2. Move the unit to a level and well ventilated area

and set the parking brake.

3. If the engine is cold, let the unit run for five

minutes.

4. When the engine is warm, stop the engine.

5. Clean the area around the dipstick and (drain

hose).

6. Put an open container that will hold one gallon of

oil under the drain hose.

7. Open the drain valve or drain plug (see Figure 14).

8. Allow the engine oil to drain completely into the

one gallon container. Remove container and

contents for future recycling as required.

9. Close the oil drain valve.

10.If used; remove the oil filter.

11.Clean the oil filter port and install a new oil filter

according to the instructions on the oil filter. Fill

with new oil to the "full" mark on the dipstick.

12.Start and run the engine for one minute. Stop the

engine and recheck the oil level and add as

necessary.

13.Check for leakage at the drain plug and oil filter if

used. Tighten the fittings as necessary if leakage

occurs.

14.Release the parking brake.

15.Return the unit into service.

Figure 14

5.4 CHECKING ENGINE COOLING

IMPORTANT: To prevent severe damage to the

engine, proper cooling must be maintained.

1. The air intake screen must be kept clean. Remove

any grass, dirt, or debris that may have

accumulated.

2. Check the engine cooling yearly.

5.5 CLEANING THE AIR CLEANER

See the manufacturer’s manual for cleaning

instructions.

The operator should check the air cleaner element

daily and clean if necessary.

1. Clean the air cleaner precleaner every 25 hours.

See your engine manual for instructions.

2. Apply oil and reinstall over the paper air filter

element.

3. Wipe out the air cleaner cover to remove any dirt

build up in the cover.

4. Reinstall the cover over the air cleaner before

operating the engine.

5.6 CHANGING THE AIR CLEANER

ELEMENT

Replace the air cleaner element when clogged or every

100 hours. Do not attempt to clean. See

manufacturer’s manual for instructions.

5.7 INSPECTING THE MUFFLER/SPARK

ARRESTER

Inspect muffler and (if equipped) spark arrester.

Replace muffler if corroded, leaking, or loose. A

defective muffler can create a fire hazard and/or

damage engine.

5.8 REPLACE SPARK PLUGS

Spark plug type and gap setting are listed in

Specifications. See manufacturer’s manual for detailed

instructions.

WARNING: DO NOT touch parts which are

hot. Allow parts to cool before servicing.

Past Production

Drain valve. Press in

and rotate CCW to

drain or CW to close

Current Production

Drain plug

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Ariens HVZ 915085-2350 Service Manual Page 18

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