Engine System - LPG 174Service Manual – CS7000
Every 1000 hours
• Replace spark plug
• Check coolant hose of LPG vaporizer
• Check vacuum lock hose of LPG vaporizer
• Drain tar
• Check valve clearance
• Clean cylinder head
• Check valve seats
Every 2 years
• Replace intake air line
• Replace LPG fuel hose and clamp bands
• Replace coolant hose of LPG vaporizer
• Replace vacuum lock hose of LPG vaporizer
• Check primary chamber
• Check air tight of secondary chamber
• Check vacuum lock system
• Replace radiator hoses and clamp bands
• Replace battery
• Change radiator coolant (L.L.C.)
Change Engine Oil and Oil Filter
1. Drain the recovery tank for later removal.
2. Shut off the engine and allow it to cool sufciently to avoid burning yourself with hot engine oil.
3. Remove the left side engine cover.
4. Tip the recovery tank outward. Release the recovery tank tether cable and recover hose, then lower the
recovery tank to the ground for better access to the engine oil lter area.
5. Remove the oil lter with an oil lter wrench.
6. Apply a light coat of engine oil to the new lter cartridge gasket.
7. Screw the new cartridge on and tighten by hand. Over tightening may damage the gasket.
8. Remove the remote oil drain hose end from the radiator bracket.
9. Remove the plug and drain the oil into a suitable container.
10. Reinstall the plug-and reattach the drain hose to the radiator bracket.
11. Rell the engine with oil.
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