CAT Portable Generator RP7500 E

Ensure that all safety information, warnings, and instructions are read and understood before any maintenance procedures are performed.

Use service hours or calendar time, whichever occurs first, to determine the correct maintenance intervals.

Stop the engine before servicing. Put the engine in horizontal position and remove the spark plug cap to prevent the engine from starting. Do not operate the engine in an unventilated room or other enclosed area.

Operate the engine until it reaches normal operating temperature. Stop the engine and use a suitable container to collect the used oil.

Remove the oil filler cap (1) and drain plug (3) to drain the oil.

Reinstall the drain plug and tighten to 18 ± 2 lb ft (24 ± 3Nm).

Refill the oil and check the oil level. Refer to Engine Oil Level – Check.

Install and tighten the oil filler cap.

Dispose of the used oil properly.

Ensure that all safety information, warnings, and instructions are read and understood before any maintenance procedures are performed.

Use service hours or calendar time, WHICH EVER OCCURS FIRST, to determine the correct maintenance intervals.

Stop the engine before servicing. Put the engine in horizontal position and remove the spark plug cap to prevent the engine from starting. Do not operate the engine in an unventilated room or other enclosed area.

Only qualified service personnel should perform this maintenance procedure. Contact your local service center to schedule this maintenance.

NOTE: Use only genuine Caterpillar parts.

Engine stopped and spark plug cap removed?

Ensure that all safety information, warnings, and instructions are read and understood before any maintenance procedures are performed.

Use service hours or calendar time, WHICH EVER OCCURS FIRST, to determine the correct maintenance intervals.

Stop the engine before servicing. Put the engine in horizontal position and remove the spark plug cap to prevent the engine from starting. Do not operate the engine in an unventilated room or other enclosed area.

-Spark Plug – Inspect/Adjust/Replace

Refer to the Specifications section of this manual to determine the proper spark plug part number and spark plug gap for your product.

2. Remove the spark plug cap (3).

3. Use the plug wrench (1) to remove the spark plug.

4. Visually check the spark plug to see if it is damaged. If the insulator is cracked, replace the spark plug. If the electrode is damaged, replace the spark plug.

Ensure that all safety information, warnings, and instructions are read and understood before any maintenance procedures are performed.

Use service hours or calendar time, WHICH EVER OCCURS FIRST, to determine the correct maintenance intervals.

Stop the engine before servicing. Put the engine in horizontal position and remove the spark plug cap to prevent the engine from starting. Do not operate the engine in an unventilated room or other enclosed area.

Cylinder Head - Clean. Only qualified service personnel should perform this maintenance procedure. Contact your local service center to schedule this maintenance.

Engine Valve Lash – Inspect/Adjust. Only qualified service personnel should perform this maintenance procedure. Contact your local service center to schedule this maintenance.

Carbon Brush – Inspect/Repair/Replace. NOTE: Use only genuine Caterpillar parts.

Sign off on the generator maintenance

Ensure that all safety information, warnings, and instructions are read and understood before any maintenance procedures are performed.

Use service hours or calendar time, WHICH EVER OCCURS FIRST, to determine the correct maintenance intervals.

Stop the engine before servicing. Put the engine in horizontal position and remove the spark plug cap to prevent the engine from starting. Do not operate the engine in an unventilated room or other enclosed area.

Operate the engine until it reaches normal operating temperature. Stop the engine and use a suitable container to collect the used oil.

Remove the oil filler cap (1) and drain plug (3) to drain the oil.

Reinstall the drain plug and tighten to 18 ± 2 lb ft (24 ± 3Nm).

Refill the oil and check the oil level. Refer to Engine Oil Level – Check.

Install and tighten the oil filler cap.

Dispose of the used oil properly.