HydraMaster CTS 403 Flex, Owner'S Manual

Page: 36 / 140

4-3: Machine Maintenance
250 Hours
• Check coupler (rubber sleeve) 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 (rubber sleeve) for cracks or wear. Replace as necessary (Coupler
Sleeve Part Number: 000-152-015).
1000 Hours
• Change air filters.
• Check carburetor. Clean or replace as necessary.
• Clean the heat exchanger core.
• Check coupler (rubber sleeve) for cracks or wear. Replace as necessary (Coupler
Sleeve Part Number: 000-152-015).
Refer to the Interval Hours Maintenance chart in the Owner’s Guide.