Chinese Professional Valve Spring - Cummins Engine Part Valve Insert 3092461 for QST30 Engine – Raptors

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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" plus the theory of "quality the basic, have faith in the main and management the advanced" for GOVERNOR AIR COMPRESSOR , SPACER FAN PILOT , SUPPORT ENGINE , Our concept is to help presenting the confidence of each buyers with the offering of our most sincere service, and the right product.

Chinese Professional Valve Spring - Cummins Engine Part Valve Insert 3092461 for QST30 Engine – Raptors Detail:

Company Introduction

Raptors, the authorized dealer of Cummins (China), established in 2015 by Mr. Jordan Wang who worked in Cummins (China) for 8 years, Jordan had been responsible for mine market for 4 years during working in Cummins china, so we have big advantages for almost all genuine Cummins generators, engine assembly and spare parts, especially for NTA855, KTA19, KTA38, KTA50, QSK60, QSX15 etc…

Product Parameter

Part name:	Valve Insert
Part number:	3092461
Brand:	Cummins
Warranty:	6 months
Material:	Metal
Color:	Silver
Packing:	Cummins Packing
Feature:	Genuine & Brand New
Stock situation:	15 pieces in stock;
Unit weight:	0.09kg
Size:	551cm

The valve is composed of a valve head and a stem. The temperature of the valve head is very high, and it also bears the pressure of the gas, the force of the valve spring and the inertial force of the transmission components. Its lubrication and cooling conditions are poor, and the valve must have certain strength, stiffness, heat resistance and wear resistance. The intake valve is generally made of alloy steel, and the exhaust valve is made of heat-resistant alloy. Sometimes in order to save heat-resistant alloy, the exhaust valve head is made of heat-resistant alloy, and the stem is made of chrome steel, and then the two are welded together.

Valve Adjustment Rules：

The valve clearance can only be adjusted when the valve is fully closed, and the rocker arm must fall on the base circle of the cam before it can be adjusted. That is, the intake valve that is in the process of intake, about to be intake, and the end of exhaust cannot be adjusted; the valve that is exhausting, about to be exhausted, and just after exhaust cannot be adjusted. For the adjustment of the injector stroke, different injectors have different adjustment methods: Top-stop injector: torque method (zero clearance method); non-top-stop injector: dial gauge method (stroke method)

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