27: CTS 400 Flex Owner’s Guide
250 Hours
• Check coupler element (rubber insert) for cracks or wear. Replace as necessary.
500 Hours
• Change the blower oil.
• Change the high pressure pump oil.
•
Check the engine valve clearance (intake and exhaust 0.004” - 0.006”)
•
Change the fuel filter.
• Check coupler element (rubber insert) for cracks or wear. Replace as necessary.
1000 Hours
•
Change air filters.
• Check carburetor. Clean or replace as necessary.
• Clean the heat exchanger core.
• Replace coupler element (rubber insert) for cracks or wear.
Refer to the Interval Hours Maintenance chart on page 55 and page 56.
