CAT INV2000 - Maintenance and Service Procedures (Cont.); Engine Oil Change and Valve Service

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Engine Oil – Change
1. Operate the engine until it reaches normal
operating temperature. Stop the engine and
use a suitable container to collect the used
oil.
2. Close the vacuum relief valve on top of the
fuel cap by rotating counter-clockwise to the
off “0” position.
3. Open the right service door (1). Remove the
oil level gauge (2), wipe clean, and set
aside.
4. Attach the oil funnel supplied, and tilt the
generator so the used oil flows from the
engine into the container and fully tilt the
generator until the crankcase is empty.
Wipe the funnel clean.
5. Refill the oil, using the funnel supplied, and
check the oil level. Refer to Engine Oil Level
– Check.
6. Install and tighten the oil level gauge. Close
the service door (1).
7. Dispose of the used oil properly.
8. Start the engine for a brief period and check
for leaks.
9. Stop the engine and check the oil level.
Refer to Engine Oil Level – Check.
Engine Valve – Inspect/Replace
Remove the side panel (side with service access
doors) by removing the 2 bolts and lifting out
and away (be careful to avoid breaking the
locating tabs).
Remove spark plug boot (1) and valve cover
bolts (2).
Remove valve cover (1). Remove screws (2),
breather piece (5) and breather gasket (3).
Remove valve cover gasket (4).
Remove spark plug (1). Remove cylinder head
bolts (2), and remove cylinder head (4). Remove
cylinder head gasket (5) and discard used
gasket. Remove locating pins (6) and set aside.
Studs (3) and (7) can remain in the cylinder
head for this procedure.
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