Sinotruk Parts Howo WD615 Engine Parts – Oil Pump VG1500070021
Basic information
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Specifications
|
PRODUCT NAME |
VG1500070021 |
OE NO. |
VG1500070021 |
BRAND NAME |
SINOTRUK Howo |
|
MODEL NUMBER |
VG1500070021 |
TRUCK MODEL |
WP10, WP12, WP6, WP7, WP5, WP4, WP3, WD615, WD618 |
PLACE OF ORIGIN |
Shandong, China |
|
SIZE |
Standard Size |
CERICATION |
CCC |
APPLICABLE |
Howo |
|
FACTORY |
CNHTC SINOTRUK |
TYPE |
BELT |
MOQ |
1pc |
|
APPLICATION |
ENGINE SYSTEM |
QUALITY |
High-Performance |
MATERUAK |
Rubber |
|
PACKING |
Standard Package |
SHIPPING |
By sea, By air |
PAYMENT |
T/T |
Relevant Knowledge
During the trial run of a plunger injection pump, many maintenance personnel do not pay attention to checking the stroke margin of the plunger. The so-called stroke margin of the plunger refers to the amount of movement that the plunger can continue to move upward after being pushed to the top dead center by the cam on the camshaft. After adjusting the start time of oil supply, the reason for checking the stroke allowance is that the stroke allowance of the plunger is related to the wear of the plunger and sleeve. After the plunger and sleeve are worn, the plunger needs to move upward for an additional period before starting to supply oil, thereby delaying the start time of the oil supply. After screwing out the adjusting bolt or replacing with a thicker adjusting pad or gasket, the lowest position of the plunger moves upward, reducing the stroke margin of the plunger. Therefore, when repairing and debugging the fuel injection pump, first check the stroke margin to determine whether the fuel injection pump is still allowed to be adjusted. During inspection, the following different methods should be used according to the different structures of the fuel injection pump: a) Rotate the camshaft, push the plunger to the top dead center, remove the oil outlet valve and valve seat, and measure with a depth vernier. b) After the plunger is pushed to the top dead center, use a screwdriver to pry up the spring seat of the plunger spring to raise the plunger to the highest point. Then insert a feeler gauge between the lower surface of the plunger and the tappet adjusting bolt to measure. The standard stroke allowance of the plunger is about 1.5mm, and the limit stroke allowance after wear should not be less than 0.5mm.
