After
the drive shaft and bushing wear and tear changes lubrication pump
drive shaft and bushing wear, the increase of its collaborative open
space, will certainly affect the pump oil. In
this case, the adoption of the JDB graphite copper sleeve repair the
main shaft or bushing rehabilitation of its normal collaborative open
space. If
the drive shaft wear thin, just out of the old bush after the composite
bush replaced with standard bushing, collaborative open space will be
able to recover to the extent allowed, if the drive shaft and bushing
wear serious and collaborative open space seriously exceeded, not only Replace
the bushing, and the drive shaft also use chrome or vibration welding
method to increase its diameter, and then grinding to the standard,
rehabilitation and bushing collaboration request repair repair cracks in
the shell of the pump housing crack crack Available cast 5,8 nickel-copper welding rod repair. Welds shall be tight and non-porous, and the flatness of the contact
surface of the pump cover shall not be greater than 0.05 mm.
Active shaft 忖 sets of holes and driven shaft hole grinding with car bushing up to the corresponding standard bushings. Slave shaft hole wear to reaming method to eliminate wear marks, and
then press the reaming hole after the practice of making the slave
shaft.
Pump
cavity repair cavity pump cavity wear, as the use of lumen set method
of correction, will be lined after the big enamelled with cast iron or
steel bushings. After the set of inserts, the cavity entertained to beg the standard,
and put out the end of the bush worn to make contact with the pump
brother and flush.
Valve repair valve pressure limit valve ball valve and column cold type two. Ball
seat wear, the ball can be placed on the valve seat, and then quietly
tapping the metal ball with a ball until the ball valve and seat close
stop. Such as the valve seat wear and tear can be removed by reaming first wear marks, and then use the law to make it close. Plunger seat wear, you can put a small amount of valve sand grinding, until close stop.
Pump
cover mending Subsidence silver repair Wang Yangjun Zhou Jinsheng, in
order to give full play to the performance of the vehicle shock
absorber, improve vehicle ride, forward maneuverability and stability,
thereby extending the service life of the car, according to the relevant
provisions of timely Teach it to repair.
1
cylinder barrel depression such as depression should be knocked flat or
welding repair; Piston rod Jin or cylindrical error of more than 0.1 mm
should be corrected or more time to use more than 3 years should be
replaced Collaborative open space more than 15 mm open space or the
emergence of grooves Should be replaced by an enlarged piston or standard piston ring. Piston
and cylinder should be open space 0, 4,0.065 mm, port open space 4
before the device using alcohol or vibration liquid to clean all the
parts clean; device should be divided by the opposite of the second. When installing the connecting rod oil seal, it is necessary to
protect the oil seal cutting edge, the oil seal cutting edge toward the
piston; if installed anti-oil will leak light quickly.
When
assembling the piston, do not knead the work surface repair flow If the
working surface of the pump cover wear small manual grinding method can
be used to eliminate wear marks, that is, put a small number of valves
in the way or thick glass plate sand, and then put the cover on it Grinding, until the wear marks disappear, work shoulder flat stop. When 荥 cover work surface wear depth of more than 0.1 mm, should be modified after the first turning grinding method.
Active shaft bushing hole repair Pump cover body active shaft bushing hole wear the same repair method.
The
use of gear oil flipping gear wear is mainly in the tooth thick parts,
and the gear end and tooth top wear are relatively light. Gear teeth in the thick parts are unilateral wear, so the gear can be turned 180 use. When
the gear end wear, the end face can be polished together with grinding
contact surface lubrication Shantou pump to ensure that the gear end
face and the pump cover open space within the standard range, valve and
rehabilitation valve valve seat and piston rod The parts on the back, should add damping fluid. The fluid consists of 50 percent of the transformer oil and 22 turbine
oil composition; fuel, 1091 cars for 37, ml, 1090 cars for the 370,39,
ml, that 2,2, cars 250 ml.
Pull
the connecting rod assembly to the highest position, and tighten the
cylinder nut with a special wrench. At this time, the piston rod should
be able to slide freely and can not be issued a card. After assembly, pull the shock absorber has obvious resistance downward compression resistance smaller normal.
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