MY HOUR METER DISPLAY IS NOT WORKING; WHAT DO I DO?
Hour meters will only display when your generator is running... read more
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Product Help Center
Maintenance and Troubleshooting
MY ENGINE IS RUNNING, BUT THERE'S NO POWER. WHAT DO I DO?
Start with a basic "walk-around" inspection to check for any obvious problems such as loose wires or cables... read more
HOW DO I ASSEMBLE MY UNIT?
Your Cat portable generator comes almost fully assembled right out of the box... read more
HOW DO I REPLACE THE SPARK PLUGS?
Information regarding replacement of spark plugs can be found in the Maintenance section of your Owner's ... read more
HOW DO I CHANGE MY AIR FILTER ON MY 3.6KW - 7.5KW GENERATOR?
The air filter on the INV Series generators is easily accessible on the front of your RP ... read more
HOW DO I CLEAN MY AIR FILTER?
For RP3600, RP5500, RP6500 E, RP7500 E and INV2000 models: Remove the filter from the ... read more
HOW DO I CHECK THE OIL LEVELS?
For RP3600, RP5500, RP6500 E, RP7500 E, and INV2000: Remove the oil cap to check the oil ... read more
HOW LONG CAN MY GENERATOR RUN BEFORE I NEED TO CHECK THE OIL?
On the RP series, change the oil after the first 20 hours of service or 1 month. For the INV 2000 ... read more
HOW DO I TELL IF MY PORTABLE GENERATOR SET IS OVERLOADED?
Before starting your generator, you should use the online sizing tool to determine how many tools ... read more
MY PORTABLE GENERATOR WON'T START; WHAT DO I DO?
Start with a basic "walk-around" inspection to check for any obvious problems such as loose ... read more
HOW LONG WILL MY GENERATOR RUN ON A TANK OF FUEL?
Run time will vary based on your model and load placed on the generator. Generally, Cat RP Series ... read more
HOW OFTEN SHOULD I RUN MY PORTABLE GENERATOR FOR MAINTENANCE PURPOSES?
We recommend that you run your generator at least once per month for about 20 minutes [10 minutes ... read more
HOW DO I DRAIN THE OIL?
To drain the oil, you will need to operate the engine until it reaches normal operating termperature ... read more
HOW DO I TELL IF MY AIR FILTER IS DIRTY?
You can visually inspect the filter to determine if it is dirty. We recommend that you check the air ... read more
MY PORTABLE GENERATOR IS RUNNING ROUGHLY, BUT NOTHING IS CONNECTED; WHAT SHOULD I DO?
Start with a basic "walk-around" inspection to check for any obvious problems such as loose wires or ... read more
WHAT TYPE OF TOOLS ARE NEEDED TO SERVICE MY PORTABLE GENERATOR?
The Cat portable generator requires metric tools for maintenance ... read more
HOW DO I CHANGE MY FUEL FILTER?
You can find the fuel filter located on the bottom of the fuel tank (between the fuel line and bottom ... read more
HOW DO I TELL IF THE BATTERY IS DEAD?
RP Series models with the "E" model designation come with a battery start option (RP6500 E, RP7500 E, ... read more
IS THERE A CARBURETOR REBUILD KIT?
Caterpillar offers a carburetor kit, which consists of a new carburetor and gaskets. You can purchase this ... read more
MY PORTABLE GENERATOR KEEPS SHUTTING DOWN; WHAT DO I DO?
Start with a basic "walk-around" inspection to check for any obvious problems such as loose wires or ... read more
MY GENERATOR IS MAKING A LOUD CLANKING NOISE (OR ANOTHER UNUSUAL SOUND); WHAT DO I DO?
Start with a basic "walk-around" inspection to check for any obvious problems such as loose wires or ... read more
MY GENERATOR ENGINE IS RUNNING ROUGHLY, EVEN WITH NOTHING CONNECTED. WHAT IS WRONG?
Start with a basic "walk-around" inspection to check for any obvious problems such as loose wires or ... read more
WHAT TYPE OF OIL SHOULD BE USED IN MY PORTABLE GENERATOR?
It depends on the ambient temperature of the environment in which you are operating your portable ... read more
HOW DO I TELL IF THE OIL IS BAD?
The oil in your generator should be amber to medium brown in color. If your oil is black, it needs to be ...read more
HOW DO I TELL IF MY FUEL FILTER IS DIRTY AND, IF SO, HOW DO I CHANGE IT?
You can find the fuel filter located on the bottom of the fuel tank (between the fuel line and bottom ...read more
WHERE/HOW DO I DISPOSE OF OLD FUEL?
Fuel disposal is subject to local laws and regulations. We suggest you check with your community's fire ... read more
HOW DO I TELL IF THE FUEL IS BAD?
Open the fuel cap to check for water in the fuel. If water is present, drain the fuel from your generator ... read more
DO I NEED TO USE A FUEL STABILIZER IN MY GENERATOR?
Fuel stabilizer is recommended to extend the life of your fuel, especially if your unit may sit for long periods ... read more
HOW DO I DRAIN THE FUEL?
You can find instructions for draining fuel in the Owner's Manual ... read more
DO I NEED TO CHECK AIR PRESSURE AND PUT AIR IN MY TIRES?
Your Cat portable generator is built with never-flat tires that do not need to be filled with air ... read more
HOW OFTEN SHOULD I SERVICE MY PORTABLE GENERATOR?
It depends on how frequently you use it and the conditions you use it in - the more often you run ... read more
HOW DO I DISPOSE OF A USED BATTERY?
Many auto and home improvement stores offer battery recycling services. Please check with ... read more
WHY DOESN'T MY UNIT HAVE A BATTERY?
Some of our models do not have a battery start option. If you want a battery start, look for models ... read more