Pump the demolition should be selected special bench, without special bench can be caught in the vise lightly, the installation should be preceded by the injection pump and the table looks clean, the demolition should be loose enough to be first bracket screws Screw the state (this can prevent the demolition of governor support components, the inside and outside the wheel fell off due to vibrations) after the first installation of parts removed, installed after the demolition of part first. When faced with screw screw fixed, do not use the drill drill, should use vibration. All parts should be ordered. Pump cover removal First remove the speed handle, should pay attention to speed with the speed control lever handle axis position (marked to be on the mark, no mark to scratch a mark), and then demolished the four pump cover screws, set off the pump cover, left hand notes speed spring, right hand rotation to remove the spring hanging seat, careful not to lose idle spring. Speed shaft and fly block the demolition of Block components Unscrew the lock nut shaft speed, shaft rotation speed out of hand grasp and fly fly Block block block to remove it; out speed axial length of spacer, round spacer shaft speed. Distribution of the plunger part demolition Plug the pump head be demolished after the first demolition of a tight valve seat, remove the valve springs, oil valves, gaskets and solenoid valves. Panasonic M6X45 screws, will be distributed around the plunger housing rotating about a hand to seize the pump head shell, a hand core will withstand the plunger spring and plunger, the Xia Zuo, all from the pump spring guide rod out. Governor support the demolition of parts With a special tool to loosen the bracket screws have been removed, remove the speed control bracket parts Cam and cross block demolition First remove the plunger and then adjust the pads and remove the cam face block springs and Cross Cross block. Block wheel parts, drive shaft removal First remove the wheel seat pin retainer, pin, and then sold to the pump cavity Block wheel pull, so that it completely torn off and piston in advance to promote the drive shaft, the roller seat ejector pump, and remove the drive shaft. The demolition of parts advancer Loose advancer ago, back cover screws, remove the device in advance, before the back cover, O-rings, advancer spring, ahead of gaskets, the early introduction of piston and tilt axis pump. Fuel pump removal Tighten the oil pump cover, two screws, the drive shaft (with gear, with no fuel pump key) into the fuel pump hole, so that the head shaft facing up, slowly put down to oil pump drive shaft with the drive components Remove the shaft together. Pressure regulating valve parts removal Pressure regulating valve with a special tool to remove the rotating parts. EGR demolition Loose screws, remove the position sensor and the connection block and connecting block jacket KSB's dismantling Use special tools to remove the pressure regulator after the loose KSB screw, remove the KSB device. Unscrew the KSB solenoid valve, check valve. Pressure Compensator demolition Compensator cover the demolition of four screws, pick up the compensator cover, remove the membrane components, attention should be removed and the pump diaphragm cover plate corresponding identification mark, if removed from the diaphragm membrane components in the diaphragm and the cone axis corresponds to the sign have to do. Remove the diaphragm spring and then in turn, washer, ring gear, flat nut, retainer, lever shaft disassembly screws and lever shaft seal screw and lever components of the demolition, putting out and putting bush, rotating the threaded sleeve. HBA hydraulic demolition correction HBA on the demolition of the four cover screws, take cover, and then click Remove the adjustment lever, spring, conical cups, lever shaft screw, lever shaft and lever components and putting components. Take note when adjusting rod adjustment lever and hydraulic calibration position and the spring cover attendance at the pole position adjustment
|