Specification:
Model: QM-20-B
Name: Pneumatic valve grinding machine
Grinding valve maximum mass: 0.5KG
Working pressure: 0.3-0.6Mpa
Work stroke: 5.15MM
Number of impacts: 8-30HZ
Air consumption: 0.28CFM
Product weight: 1.5KG

Contains three rubber bowl, specifications are small diameter of about 2.6cm, medium diameter of about 2.9cm, large diameter of about 4.0cm.

QM-20B pneumatic valve grinding machine, after upgrading the product structure is more reasonable, sealed, more enhanced life, widely used in automotive, agricultural machinery repair industry.

Operation Instructions:
First with the valve top wire tightening, the air inlet and gas source connected, then the adsorber to be polished valve. Then open the top of the valve, the grinder starts working. The height of the suction valve is 7-12MM. The speed of the impact and rotation of the machine is controlled by the valve top wire. Grinding the valve to rough, slow as a criterion, in the low-speed, and at any time to observe the grinding surface to prevent excessive grinding.

Description:
Valve repair general gas valve seat hinges knife after reaming , grinding valve response . The valve grinding machines connected to the gas source , mill rubber tip will be grinding valve suck, then press down gently grinding machine , grinding machine can automatically rotate and tapping valve , Finish grinding tasks. Grinding machine has an adjustable knob , the knob to adjust the grinder rotation and flapping frequency , valve grinding is completed and after cleaning , use kerosene Check the valve seal case . For a variety of automotive, motorcycle and engine valve grinding repairs.

Grinder maintenance
The machine is very easy to maintain. Each time before the use of 20 # mechanical oil once, stop more than a month also need to refuel rust, refueling unloading air inlet, drop in the screw hole, and then tighten the air inlet, ventilation can be blown.
Symptom: 1. After the gas is turned on can not run;
The impact of weakness;
3. Work suddenly stop turning
Reason: generally due to internal into the dirt caused by greasy.
Remedy: Open the hood, use gasoline to clean the dirt, remove the burr, you can restore.
When disassembling must pay attention to the assembly relationship: the installation must be on the lower and lower half of the plastic pad unloading at both ends of the cylinder at both ends of 1X2 exhaust groove composed of gas path. Otherwise the machine can not work, the installation must lock the lock mother.

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