NORAM 65ET GRADER
5-12
Every 2000 Hours or 2 Years
1
5
Lubrication and Maintenance - Cummins Tier 4 Fi-
EVERY 2000 HOURS OR 2 YEARS
Engine Coolant - Change
Change engine coolant when engine temperature is cold.
1. Remove radiator cap. Open heater valve
(1) to allow
heater core to drain.
2. Remove plug on water pump. Use a suitable container
to catch fluid. Dispose of waste coolant according to
federal, state and local regulations.
3. After draining, flush radiator with clean water and a
commercial flushing agent. Use suitable container to
catch fluid. Dispose of flush water in the same
manner as waste coolant.
4. Close heater valve and replace plug on water pump.
5. Fill radiator with a 50:50 mixture of clean, soft water and antifreeze to bottom of fill neck.
6. With cap off, start and allow engine to idle until temperature is normal and thermostat has
opened. Stop engine and check fluid level. Add additional coolant, as necessary.
7. Install radiator cap and tighten. Secure radiator cover.
Refer to “Cummins QSF3.8 Operation and Maintenance Manual” for complete instructions.
Radiator Hoses - Check
Check all hoses for cracks, cuts, or collapsing.
NOTE: The silicone engine coolant hose will exhibit swelling due to the elasticity of the hose.
If damage is found, replace damaged hoses.
Refer to “Cummins QSF3.8 Operation and Maintenance Manual” for complete instructions.
Hot fluid under pressure can scald.
Allow engine to cool before opening radiator cap.
Coolant should be kept off skin. Follow precautions outlined on anti-freeze
container.
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