51: CTS 400 Flex Owner’s Guide
Date
Hour Meter Reading
Technician Initials
Change the blower oil after first 100 hours of use.
Change high pressure pump oil after first 50 hours
of operation. (Every 500 hours thereafter.)
Check and lube inlet valve with Super Lube
grease #92003 or equivalent (or every 100 hours).
Change engine oil and filter after first 8 hours;
afterwards, change the engine oil and filter every
50 hours.
(Every 25 hours if operating in high ambient
temperatures or heavy use conditions.)
Monthly Maintenance
Check all the nuts and bolts. Tighten as needed
Change the blower oil after first 100 hours of use.
Perform Flex pump tuning procedure every 60
days.
Check the water level in battery. Fill as needed.
Clean the battery terminals as needed.
ATTENTION Special Maintenance
Change the engine oil every 50 hours. (Every 25
hours if operating in high ambient temperatures or
heavy use conditions.) Change oil filter every oil
Check all the hoses and wiring for wear and
chafing. Secure as needed.
Weekly Maintenance
Check the engine air filter. Clean or replace as
necessary.
Clean the QC filter and orifice with water.
Inspect the recovery tank filters for tears, holes,
etc. Repair or replace as needed.
Inspect the vacuum relief valve. Clean and
lubricate as necessary.
Check the pump drive belt for wear and proper
tension. Tighten as needed.
Clean the recovery tank thoroughly with pressure
washer.
Check the oil level in the blower. Add oil if needed.
Flush the water and chemical systems with
solution of equal parts white vinegar and water
