KRYOTEC ENGINE 73 vii. DIESEL PARTICULATE FILTER (DPF) REGENERATION / CLEANING There are two methods of cleaning DPF unit as follows: 1. Connect the vehicle with diagnostic tool and run DTC code for DPF cleaning. OR 2. Drive the vehicle for 30 to 40 mins. Resulting in DPF cleaning. WARNING Do not start the engine in a closed garage or in other enclosed areas. Exhaust fumes can be toxic. Always open the garage door before you start the engine. To avoid the danger of being burned, do not touch exhaust system when the system is hot. Any service on the exhaust system should be performed when the system is cool. viii. HYDROSTATIC LOCKED ENGINE When an engine is suspected to be hydrostatically locked, regardless of what caused the problem, the following steps should be used. CAUTION DO NOT use starter motor to rotate the engine, severe damage may occur. 1. Inspect air cleaner, induction system and intake manifold to insure system is dry and clear of foreign material. 2. Disconnect and isolate the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), disconnect the IBS connector first before disconnecting the negative battery cable. 3. Place a shop towel around the spark plugs when removing them from the engine. This will catch any fluid that may possibly be in the cylinder under pressure. 4. With all spark plugs removed, rotate engine crankshaft using a breaker bar and socket. 5. Identify the fluid in the cylinder(s) (i.e., coolant, fuel, oil or other). 6. Make sure all fluid has been removed from the cylinders. Inspect engine for damage (i.e., connecting rods, pistons, valves, etc.) 7. Repair engine or components as necessary to prevent this problem from re-occurring. CAUTION Squirt approximately one teaspoon of oil into the cylinders, rotate engine to lubricate the cylinder walls to prevent damage on restart. 8. Install new spark plugs. 9. Drain engine oil and remove oil filter. 10. Install a new oil filter. 11. Fill engine with specified amount of approved oil. 12. Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector to the negative battery cable. 13. Start engine and check for any leaks.
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