DAELIM ET-250 Service Manual
Also see for ET-250: Service manualSpecificationsOwner's manual
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Contents
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12-5 System TestTest on the filler capHermetically seal the filler cap, apply water and pressureto the filler cap. Replace it with new one if found failing tomaintain the specified pressure within a given time limit,or the opening pressure is too high or too low. Thespecified pressure shall be maintained at least for 6seconds in the testRelief pressure for the filler cap: 0.9-0.15 kgf/cm2Apply pressure to the radiator, engine and water hose tocheck for any leakageCautionPressure which is too high may damage the radiator.Never use pressure which exceeds 1.05 kg/cm2.If the system fails to maintain the specified pressure for atleast 6 seconds, repair or replace parts.Change of coolantWarningNever attempt to carry out service work on thecooling system unless the engine is completelycooled down, otherwise, you may get scalded.Remove the front center cover, and the n remove filler cap.Place a water pan under the water pump; loosen the drainbolt to drain out the coolant.Reinstall the drain bolt.Refilling system with coolant and bleeding the air bubbles.ü Run the engine, and remove by-pass pipe.ü Check by-pass hole whether has the air bubble to emit.ü If emits without the air bubble, only has the coolant toflow out, then backflow pipe joint on, engine flameout.ü Remove radiator filler cap.ü Starts the engine, inspects does not have the air bubblein the radiator coolant, also the coolant liquid level isstable.ü Stop the engine. Add coolant to proper level ifnecessary.ü Screw and tighten up the radiator filler cap.CautionIn order to avoid the water tank rusting, please donot use the unclear trade mark refrigerant.Coolant recommended: SYM Bramax radiator agent.Concentration: 50%Filler capPressure testerRadiator filler capReserve tank capDrain boltBy-pass pipe |
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