Volvo DD29 - Drain and Flush Radiator, Replace Engine Coolant

MAINTENANCE INSTRUCTIONS SECTION 5
DD-29/31HF/38HF Vibratory Asphalt Compactors 5-35
3. Reposition the machine so the drain and fill points (2 and 3, Figure 5-44) are
oriented as shown.
Figure 5-44
4. Pour Synthetic Component Lubricant oil into fill hole (3, Figure 5-44) until oil
flows out drain hole (2).
5. Install plugs and wipe up excess oil.
6. Repeat steps 2 through 5 for the other drum.
Drain and Flush Radiator, Replace Engine Coolant
WARNING
!
Injury can occur when removing the radiator cap.
Steam or fluid escaping from the radiator can burn. Inhibitor contains
alkali, avoid contact with skin and eyes.
Always shut down the engine and allow to cool down before removing
radiator cap. Remove cap slowly to relieve pressure. Avoid contact with
steam or escaping fluid.
The coolant system of any vehicle should be drained and flushed out at least once a year.
Unless coolant has a corrosion preventive in it, rust and scale will eventually clog up the
system. Any effective, commercial flushing agent should be used at least once or twice a year
to ensure against buildup.