MAINTENANCE INSTRUCTIONS SECTION 5
DD-29/31HF/38HF Vibratory Asphalt Compactors 5-37
2. Place a container under the drain valve (1, Figure 5-47) on the engine. Open
the valve and drain the coolant from the engine.
Figure 5-47
3. Check for damaged hoses and loose or damaged hose clamps. Replace as
required. Check radiator for leaks, damage and buildup of dirt. Clean and repair
as required.
4. Clean the cooling system using a commercial radiator flushing product. Follow
the manufacturer's recommendations.
5. After cleaning and flushing operations are completed, close the drain valve
(1, Figure 5-47) and petcock (1, Figure 5-46).