Cub Cadet Yanmar 3TNV72 User Manual
Page 94

PERIODIC MAINTENANCE
TNV IDI Service Manual
5-33
Periodic Maintenance Procedures
3. Turn the retaining ring (Figure 5-15, (4)) to the
left (Figure 5-15, (10)).
4. Carefully remove the cup (Figure 5-15, (1)) and
pour the fuel into an approved container and
dispose of properly. Hold the bottom of the cup
with a shop towel to prevent the fuel from
dripping. Wipe up any spills immediately.
5. Keep the retaining spring (Figure 5-15, (6)) and
float (Figure 5-15, (7)) handy for reassembly.
6. Remove the element (Figure 5-15, (8)) by
pulling it down.
7. Replace the element with a new one.
8. Wash the inside of the cup with clean diesel
fuel.
9. Check the condition of the cup O-ring. Replace
if necessary.
10. Put the float (Figure 5-15, (7)) and retaining
spring (Figure 5-15, (6)) inside the cup.
11. Reinstall the cup to the mounting flange
(Figure 5-15, (9)) and turn the retaining ring
(Figure 5-15, (4)) to the right (Figure 5-15, (5)).
Hand-tighten only.
12. Open the fuel cock (Figure 5-15, (3)).
13. Prime the fuel system. See Priming the Fuel
System on page 4-12.
14. Check for fuel leaks.
Perform the following maintenance every 1000
hours of operation.
• Drain, Flush and Refill Cooling System with
New Coolant
• Adjust Intake / Exhaust Valve Clearance
Drain, Flush and Refill Cooling System with
New Coolant
Applicable Mesh Filter Part No.
3TNV72
171081-55910
Every 1000 Hours of Operation
A
DANGER
SCALD HAZARD!
• NEVER remove the radiator cap if the
engine is hot. Steam and hot engine
coolant will spurt out and seriously
burn you. Allow the engine to cool
down before you attempt to remove
the radiator cap.
• Tighten the radiator cap securely after
you check the radiator. Steam can
spurt out during engine operation if
the cap is loose.
• ALWAYS check the level of the engine
coolant by observing the reserve tank.
• Failure to comply will result in death or
serious injury.
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