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S2 (1972-1973)
Инструкция по эксплуатации Страница: 51

Kawasaki S2 (1972-1973) [51/129] Inspection and adjustment

Kawasaki S3 (1974-1976) [51/129] Inspection and adjustment

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hole or hole in the valve sleeve The plunger starts pushing the plunger follower back inside the valve sleeve closing up the forward pump chamber This forces oil back out passage and by way of notch into either or f to the right or left cylinder outlet At this same time the plunger pushes onto the piston and the piston entering the rear pump chamber decreases its capacity and forces out the oil Oil leaves the chamber via hole and flows into space to the engine center cylinder outlet at Oil bi chamber flows back into the inlet passage at point This oil serves only to prevent unwanted low pressure areas inside the pump and ensure smooth pump operation and oil flow 4 Inspection and Adjustment a Bleeding the Oil Pump When the oil pump or oil pipes are removed air becomes trapped inside the pipes and obstruct the flow of oil See that oil flows from the inle pipe before connecting it to the pump Bleed a from the outlet pipes by idling the engine below 2 000 r p m and holding the oil pump contro lever full open by hand i e to maximum plunge stroke Keep the engine idling until the air completely pumped out If air bubbles continu to appear in an outlet pipe check the oil pip inlet and outlet connections oil pipe connection to the banjo bolts and banjo bolt fittings Oil Flow Chart Output Stroke Upstroke Intake Stroke Downstroke b Control Lever Adjustment See the oil pump paragraph page 15 3 Check Valves The check valves open when oil pressure exceeds 0 3 kg cm2 4 3 Ibs in2 in the direction of the arrow and allow oil flow in the one direction only When the engine is stopped and therefore the oil pump is also stopped the check valves stop oil flow and any oil that has passed a check valve is prevented from returning Disassembly of the check valves should be avoided if these arc reassembled incorrectly oil will not flow in the correct quantities if at all and the engine will be damaged To clean a check valve use a squirt can filled with solvent Never use compressed air as this will distort the valve spring and cause the valve to malfunction C Oil Pump Check The oil pump is a carefully assembled precisio device and disassembly should be avoided T check oil pump performance the oil flow rat should be measured for a given engine speed Detach the check valve from the uppe crankcase Start the engine and set the speed o rotation at 2 000 r p m Holding the oil pum lever full open by hand measure the amount of o pumped from the pump outlet for a singl cylinder If the amount of oil pumped over three minute period corresponds to the amount i the table below the oil pump is operatin correctly CAUTION While checking the oil pump a 20 gasoline oil mixture should be used in place of th pure gasoline normally used Table 20 Oil Pump Output Model Output 3 minute period 2 000 r p m S1 S2 108 128oz 3 20 3 79 cc S2 KH250 127 150 oz 3 75 4 43 cc S3 KH400 109 128 oz 3 21 3 79 cc Pumps marked SI or S2 2 on lever 5 Superlube Oil Use any good quality 2 cycle engine oil th is recommended for air coolcd engines

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