Generac Power Systems 5255, 5252, 5254, 5251, 5253 Spark Plugs, ‹ 4.4.1 7, 13, and 16KW Generators

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Section 4 — Maintenance

Air-cooled Generators

4.4CHANGING THE ENGINE AIR CLEANER

‹4.4.1 7, 13, AND 16KW GENERATORS

See Figures 1.1 and 1.2, for the location of the air cleaner. Use the following procedures (Figure 4.6, 7kW; Figure 4.8, 13/16kW):

1.Lift the roof and remove the door.

2.Turn the two screws counterclockwise to loosen.

3.Remove the cover and air filter.

4.Wipe away dust or debris from inside of the air box and around edges.

5.Install the new air cleaner into the air box.

6.Install the cover. Turn the two cover screws clock- wise to tighten.

See the Service Schedule section for air cleaner main- tenance. See the Specifications section for air filter replacement part number.

Figure 4.7 — 10kW Engine Air Cleaner

Control

Panel

Air Filter

Figure 4.6 — 7 kW, Engine Air Cleaner Location

Figure 4.8 — 13 kW and 16 kW Engine

Air Cleaner

 

Screw

Air

 

Cleaner

Cover

 

Filter

3/4” Hole

‹4.4.2 10KW GENERATORS

See Figure 1.2 for the location of the air cleaner. Use the following procedure (Figure 4.7):

1.Lift the roof and remove the door.

2.Turn the worm gear clamp screw counterclock- wise to loosen.

3.Pull the old filter off the divider panel hub.

4.Wipe away dust or debris from the panel hub.

5.Install the new air cleaner onto the hub.

6.Turn the worm gear clamp screw clockwise to tighten.

7.Replace door and roof.

4.5SPARK PLUG(S)

Reset the spark plug(s) gap or replace the spark plug(s) as necessary. See the Service Schedule section for maintenance requirements.

1.Clean the area around the base of the spark plug(s) to keep dirt and debris out of the engine.

2.Remove the spark plug(s) and check the condi- tion. Replace the spark plug(s) if worn or if reuse is questionable. See the Service Schedule section for recommended inspection. Clean by scraping or washing using a wire brush and commercial solvent. Do not blast the spark plug(s) to clean.

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Contents Listed Authorized Dealer Location IntroductionIntroduction Inside Front Cover Post Installation Start-up AdjustmentsMaintenance Troubleshooting Warning  ‹ Standards Index  Electrical Hazards Breaker for Bedrooms UNPACKING/INSPECTIONProtection Systems 7kW, Single Cylinder GH-410 Engine Generator‹ 1.5.2 Engine Specifications‹ 1.5.1 Generator ‹ 1.8.1 BTU Flow Requirements Natural GAS System SET LEDFuel Requirements Recommendations Fuel Consumption‹ 1.9.2 10, 13 and 16KW, V-TWIN Engines Reconfiguring the Fuel System‹ 1.9.1 7 KW, 410CC Engine ‹ 1.10.1 Generator Location10.2.1 7, 10, 13, and 16 kW Units if equipped Battery RequirementsBattery Installation ‹ 1.10.2 Transfer Switch10 Battery Cable Connections BatteryElectrical Checks Check Transfer Switch OperationBefore Initial START-UP 7KW Natural GAS only Generator Tests Under LoadChecking Automatic Operation ‹ 2.7.1 7 KW Units Engine Governor Adjustment‹ 3.1.3 Manual Position ‹ 3.1.1 Auto Position‹ 3.1.4 Choke Operation Automatic Transfer OperationSequence of Automatic Operation Manual Transfer Operation‹ 3.4.2 Transfer Back to Utility Power Source Setting the Exercise TimerApproximate Crank Cycle Times ‹ 3.6.1 LOW OIL Pressure Switch‹ 3.6.2 High Temperature Switch ‹ 3.6.3 Overcrank‹ 3.6.5 RPM Sensor Failure ‹ 3.6.6 LOW BatteryChecking the Engine OIL Level Fuses‹ 4.3.2 Engine OIL Recommendations Changing the Engine OIL‹ 4.3.1 OIL Change Intervals ‹ 4.4.2 10KW Generators Spark Plugs‹ 4.4.1 7, 13, and 16KW Generators Valve Clearance Battery Maintenance11 Cooling Vent Locations Cooling SystemCorrosion Protection OUT of Service Procedure‹ 4.11.2 Return to Service ‹ 4.11.1 Removal from ServiceBe performed by the nearest Authorized Dealer Service ScheduleProblem Cause Correction Troubleshooting GuideAir-cooled Generators Air-cooled Generators Air-cooled Generators Mounting Dimensions Electrical Data Engine Wiring Customer Connection Battery Charger Engine Alternator Engine Wiring Stator Electronic Voltage Regulator Manual Auto Scsm Neutral Electrical Data Electrical Data Sheet Metal PAINT/MATERIAL Code Legend Part NO. QTY. Description Air-cooled Generators Control Panel Drawing No F9695-C QTY Description Exploded Views and Parts Lists BOX Load Center Exploded Views and Parts Lists Description QTY Exploded Views and Parts Lists Washer Flat M8 5/16 Exploded Views and Parts Lists Crankcase Exploded Views and Parts Lists Intake Adapter Exploded Views and Parts Lists PIN, Piston D20 Exploded Views and Parts Lists SCREW, Taptite M6-1.0X8 Yellow Chrome Air-cooled Generators 7kW, GN-410 Engine Drawing No F9422-B ADAPTOR, Engine Exploded Views and Parts Lists ADATOR, Engine 7KW CASTING, Twin Regulator Housing 7KW Exploded Views and Parts Lists Brkt Regulator Mounting PURCHASER’S/OWNER’S Warranty Responsibilities Your Warranty Rights and ObligationsMANUFACTURER’S Emission Control System Warranty Coverage Emission Related Parts Include the Following Emission Control System WarrantyGenerac Power Systems Standard Limited Warranty for