Section 3 - Maintenance; Maintenance Schedule; Product Specifications; Generator Specifications - Generac Power Systems GUARDIAN RV ULTRA SOURCE 004451 Owner's Manual

3.1 MAINTENANCE SCHEDULE

Follow the calendar intervals. More frequent service is required when operating in adverse conditions noted below.
Operation Maintenance
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
Model #
Rated Max. Power
Surge Power
Rated AC Voltage
Rated Max AC Load
Current @ 240V
Current @ 120V
Rated Frequency
Phase
Rated DC Voltage
Rated Max DC Load
Current @ 12 Volts

3.2.2 ENGINE SPECIFICATIONS

Rated Horsepower
@ 3600 RPM
Displacement
Spark Plug Type
Spark Plug Gap
Gasoline Capacity
Oil Type
Oil Capacity
Run Time/Fuel
Consumption-1/2 Load
14
Section 3 — Maintenance
Commercial-Industrial-Residential Portable Generator System
Daily
✓
Every Season
✓
**
GPS 12500
004451-1
12.5 kW
18.75 kW
120/240
52.0 Amps
104.0 Amps
60 Hz @3600 RPM
Single Phase
12 Volts
10 Amperes
27
760cc
Champion RC12YC or Equivalent
0.030 inch or (0.76 mm)
16 U.S. gallons
Summer – SAE 30 or 10W-30 Winter – Synthetic 5W-20 or 5W-30
w/Filter Change = 1.5 Qts. w/o Filter Change = 1.2 Qts.
10 Hours / 1.6 gallons per hour
Every Season Every Season
✓
✓
GPS 15000
004582-1
15.0 kW
22.5 kW
120/240
62.5 Amps
125.0 Amps
30
992cc
✓
*
✓
**
✓