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Home > News > Industry News > Suction sewage truck valve sli.....

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Suction sewage truck valve slits correct adjustment

  • Author:Changjie
  • Release on :2016-06-03

Suction sewage truck supplier manufacturer

Chang Jie suction sewage truck picture


Suction sewage truck valve clearance adjustment, the old owners should be commonplace, the following small series for novices sharing suction sewage truck properly adjusted valve clearance experience.

1, if the suction sewage truck Cummins engine, Cummins engine intake valve clearance 0.254mm, exhaust valve clearance 0.508

Free agency has engine overhead adjustment feature. Its valve train design during the initial 241.402km normal use, no need to adjust the valve clearance. The intake valve clearance 0.152 to 0.381mm exhaust valve clearance 0.381 to 0.762mm valve system to work properly. Recommendations about when 241.402km adjust valve clearance, and thereafter inspected once every 81000km.

2, suction sewage truck If Yuchai engine, check cycle: each with 8000KM, intake valve clearance 0.4 + 0.005mm exhaust valve clearance 0.45 + 0.05mm, the intake valve clearance over the General Assembly so that the valve opening is reduced insufficient charging efficiency, affect the power, but too small to affect the valve sealing valve and the piston top or to collide. Valve clearance adjustment should be carried out in the engine cold state.


Adjustment method is as follows:

1, the rotation of the crankshaft so that the timing pointer scale 0, then a six-cylinder piston is at top dead center.

2, if the second cylinder exhaust valve (fourth valve) is in a safe position (fourth valve springs to the lowest position), a first piston compression top dead center, adjustable 1,2,3,6, 7,10 valve;

3, and then turn the crank a week in the sixth cylinder piston compression top dead center, which is the fifth-cylinder exhaust valve (tenth exhaust valve) in the fully open position (valve spring when the tenth to the lowest position) adjustable section 4,5,8,9,11,12 valve.

4, loosen the lock nut when adjusting the feeler is inserted between the valve stem and rocker head, carry dynamic adjustment bolt so that feeler was gently pressed in the locknut carry tight.

5, and finally with a feeler gauge once again.