Lag Because The Engine Fuel Injection Pump And Treatment Cards - Fuel Pump - Automotive Repair And
Injection pump diesel automobile engine fuel supply system
, the "heart." Card within the precision coupling of fuel injection pump lag will lead to engine speed instability, will lead to serious engine Extinction And coaster accident. Related Reading: How to extend the life of the engine valve train Modified turbo engine intake system introducedPump card causes delay The old pump, mostly because of their catching and diesel is not clean between the plunger and the plunger cover mechanical impurities, or the plunger and plunger sleeve surface is strained, or the plunger is bump top corners Office generated glitch caused.
For the new fuel pump, its catching reasons the following:
(1) At present, some manufacturers and fuel pump Service When debugging fuel pump unit, not pay attention to use high-quality diesel fuel, resulting in debugging the actual gum content of diesel fuel a larger, more acidic. After this debugging, precision coupling with the fuel injection pump with a layer of adhesion of the film remaining. If the fuel pump storage for too long, this film will gradually build the organic layer sediment and Results gum, there will be installed after the cable wiring.
(2) fuel pump storage improper storage, packaging, strictly, rust-proof material moisture leakage or damage to equipment, tubing Connector Dust cap is damaged or missing, will be produced and cable wiring.
Card processing lag The use of the old pump, can find out by catching the Plunger and remove, wash with clean diesel. If the plunger and barrel by mechanical impurities strain, can be clean Engine oil Wash wear. If the plunger top burr produced by bump (the naked eye is difficult to observe), then when the plunger comprising a plunger when the top indent Shibuya card will be issued at this time must not be repeated rotation or tic plunger, so as not to scratch piston burr sets. The correct approach is: position to pull the plunger to the top corners and the center plunger set flush into the hole, slowly turning the plunger, then there will be a sense block. When transferred to a position block disappears, that is that just part of the plunger top corners bump into the hole in the plunger sleeve Department. Remember a position where the top edges and corners will release the plunger plunger set, with fine sand and grinding bump part article. Grinding, the fine sand and the plunger axis section plane was 45 , gently pull a few, to eliminate angular burr can. But not too much grinding, so as not to affect the initial angle of each cylinder oil consistency and uniformity of oil supply.
For catching the new fuel pump, can use the following approach:
(1) fuel injection pump and governor to the injection amount of gasoline or diesel, repeatedly rotating camshaft, so that fuel injection pump tappet and the governor and other parts flying exercise ball with ease, to prevent corrosion card, leading to diesel runaway.
(2) for the upper and lower physical decomposition of the fuel injection pump (such as 485,695,4125,6130 other models used by , , No. fuel pump), the pump can be flat, open the side cover board, remove the pump head fastening nut, remove the pump head, hand clamp plunger live roots and slowly taking the trouble cylinder piston and spring (note that any bumps plunger), gasoline or diesel fuel with a clean wash repeatedly , washed and refitted (Note plunger adjustment arm to adjust fork mounted inside), and alternately tighten the pump head nut, rotating cam shaft, pulling the oil pump control Handle Review.
(3) for the whole fuel injection pumps (such as 6110,6135,6160 and other models used in A, B-type pump), to open the side cover, rotate camshaft, with Screwdriver Insert plunger spring supporting card inside was gently lever to force the plunger down reset, to be exposed to the plunger Sleeve Root injection plunger outside the clean gasoline or diesel fuel, and turn the camshaft. Reciprocating plunger 2 to be freely moved around the sensitive rack after cleaning up oil net to the governor amount of clean oil into the crust.
by: gaga