Section 3 — Maintenance

Commercial-Industrial-Residential Portable Generator System

3.1 MAINTENANCE SCHEDULE

Follow the calendar intervals. More frequent service is required when operating in adverse conditions noted below.

 

Operation Maintenance

Daily

 

Every Season

 

Every Season

 

Every Season

 

 

 

 

 

 

 

 

 

 

Check Oil Level

 

 

 

 

 

 

 

Service Air Pre-Cleaner

 

 

**

 

 

 

 

 

Change Oil and Oil Filter‡

 

 

 

 

 

 

*

 

 

 

 

 

 

 

 

 

 

Clean Spark Arrestor Screen

 

 

 

 

 

 

 

Adjust Valve Clearance

 

 

 

 

 

 

 

Service Air Cleaner

 

 

 

 

 

 

**

 

Replace Spark Plugs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

‡ Change oil after first 8 hours of operation then every season.

 

 

 

 

* Change oil and oil filter every month when operating under heavy load or in high temperatures.

 

 

 

** Clean more often under dirty or dusty operating conditions. Replace air cleaner parts if very dirty..

 

 

 

 

 

 

 

 

 

 

 

 

PRODUCT SPECIFICATIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.2.1 GENERATOR SPECIFICATIONS

 

 

 

 

MODEL

 

GPS 12500

 

GPS 15000

 

Model #

 

004451-1

 

 

004582-1

 

Rated Max. Power

 

12.5 kW

 

15.0 kW

 

Surge Power

 

18.75 kW

 

22.5 kW

 

Rated AC Voltage

 

120/240

 

 

120/240

 

Rated Max AC Load

 

 

 

 

 

 

 

 

Current @ 240V

 

52.0 Amps

 

62.5 Amps

 

Current @ 120V

 

104.0 Amps

 

125.0 Amps

 

Rated Frequency

 

 

60 Hz @ 3600 RPM

 

 

 

Phase

 

 

Single Phase

 

 

 

 

Rated DC Voltage

 

 

12 Volts

 

 

 

 

Rated Max DC Load

 

 

 

 

 

 

 

 

Current @ 12 Volts

 

 

10 Amperes

 

 

 

 

3.2.2 ENGINE SPECIFICATIONS

 

 

 

 

 

 

 

Rated Horsepower

 

 

 

 

 

 

 

 

@ 3600 RPM

 

27

 

 

 

30

 

 

Displacement

 

763cc

 

992cc

 

Spark Plug Type

 

 

Champion RC14YC or Equivalent

 

 

 

Spark Plug Gap

 

 

0.030 inch or (0.76 mm)

 

 

 

Gasoline Capacity

 

 

16 U.S. gallons

 

 

 

 

Oil Type

 

Summer – SAE 30 or 10W-30 Winter – Synthetic 5W-20 or 5W-30

 

Oil Capacity

 

w/ Filter Change = 1.5 Qts. w/o Filter Change = 1.2 Qts.

 

 

 

Run Time/Fuel

 

 

10 Hours / 1.6 gallons per hour

 

 

 

Consumption-1/2 Load

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14

 

 

 

 

 

 

 

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Generac 4582, 4451 Maintenance Schedule, Product Specifications, Generator Specifications, Engine Specifications