Dayton 2ZRP8, 2ZRP9 Checking Engine OIL, Changing Engine OIL, AIR Cleaner, Spark Arrestor

Dayton Operating Instructions and Parts Manual

Models 2ZRP8, 2ZRP9

governed to operate at speeds close to 3600 RPM (60Hz) throughout the operating load range. The no load speed (before a load is applied) will be just a bit higher than the load speed and is normally set to 3750 RPM.

DO NOT TAMPER WITH THE

GOVERNOR MECHANISM, CHANGE THE SETTING EXPERIMENTALLY, OR PUSH THE THROTTLE OPEN IN AN ATTEMPT TO GENERATE MORE ELECTRICAL CURRENT; EQUIPMENT DAMAGE OR PERSONAL INJURY MAY RESULT.

GOVERNOR SPEED ADJUSTMENT SHOULD BE MADE ONLY BY A Dayton Customer Service Representative.

CHECKING ENGINE OIL:

Check oil level before each operation and ensure that it is maintained per Preparing the Generator; Engine Oil Capacity section.

CHANGING ENGINE OIL:

Change oil after the first 20 hours of operation. Thereafter it should be changed every 100 hours.

1.Make sure the unit is on level ground. Run the engine to warm the oil.

2.Stop the engine. 3.Remove the oil drain plug.

OIL DRAIN PLUG

Oil being drained may be hot. To

reduce the risk of burn injury, handle with care. Dispose of used oil properly.

4.Drain oil while engine is warm, into a suitable container.

5.Reinstall the oil drain plug.

6.Remove oil gauge and refill with new oil.

7.Check the oil level as instructed in Preparing the Generator; Engine Oil Capacity section.

8.Wipe up any spilled oil.

AIR CLEANER:

RISK OF FIRE OR EXPLOSION. DO NOT

USE GASOLINE OR LOW FLASH-POINT SOLVENTS TO CLEAN THE ELEMENT. CLEAN THE ELEMENT IN A WELL VENTILATED AREA. ENSURE THAT NO SPARKS OR FLAMES ARE NEAR THE WORKING AREA, THIS INCLUDES ANY APPLIANCE WITH A PILOT LIGHT.

CAUTION: NEVER RUN THE ENGINE WITHOUT THE AIR FILTER, SERIOUS DANGER CAN RESULT.

Check the air cleaner daily or before starting the engine. Check for and correct heavy buildup of dirt and debris along with loose or damaged components.

1.Unsnap the air cleaner cover and remove the elements.

2.Clean the elements:

FOAM PRE-CLEANER ELEMENT: Wash the foam pre-cleaner element in warm water with detergent. Rinse the foam pre-cleaner element thoroughly until all traces of detergent are eliminated. Squeeze out excess water, but do not wring. Allow the foam pre-cleaner element to air dry.

Saturate the foam pre-cleaner element with new engine oil. Squeeze out all excess oil. DO NOT put engine oil on the foam damper.

NOTE: Clean the foam pre-cleaner element every 25 hours of operation (more often under extremely dusty or dirty condition)

PAPER AIR CLEANER ELEMENT: Do not wash the paper element or use pressurized air, as this will damage the element. Clean by gently tapping the element to remove dust. Replace the element if damaged, bent or extremely dirty. Handle new element carefully; do not use if the sealing surfaces are bent or damaged.

NOTE: Replace the paper element every 100 hours (more often under extremely dusty conditions.)

Reinstall the foam pre-cleaner element and the paper air cleaner element. Close air cleaner cover and clasp shut.

CLEANING AND GAPPING SPARK PLUG:

Recommended Spark Plug:

Engine	Honda
Spark Plug	NGK BPR6ES
Spark Plug Gap	0.7 - 0.8 mm
	(0.03 in.)
Torque - New	8.7-10.9 ft-lb
Torque - Retighten	16.6-19.5 ft-lb

If the plug is contaminated with carbon,remove it using a plug cleaner or wire brush. Check the spark plug gap and reset it if necessary. The spark plug gaps are listed below. To change the gap, bendthe side-electrode only, using a spark plug tool. Install and tighten the spark plug. Connect the spark plug lead.

Spark Arrestor:

If the generator has been running, the muffler will be very hot. Allow it to cool before proceeding.

NOTE: Remove and clean spark arrester every 100 hours or as necessary.

NOTE: Product users on United States forest service land, and in some states,

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