Minor kit for automatic metal syringe with tube fed 5 ml NJ PHILLIPS

Composed by a needle mount assembly, head seal washer, delivery valve washer, inlet valve washer, cup support washer, piston seal ring. (3,4,5,9,10,12)

To Replace Rubber Washers

1. Slacken off dose adjustor lock nut as far as possible.
2. Undo cylinder clamping nut.
3. Hold needle mount and withdraw push rod cylinder assembly.
4. Remove cylinder before unscrewing piston.
5. Replace ‘O’ ring taking care not to damage the groove.
6. Ensure the raised boss on the piston washer faces to the front and the support washer is correctly positioned.
7. Insert the piston washer carefully into the transparent cylinder.
8. Removal of the needle mount and head cage is accomplished by easing the cage through the side of the body.
9. To remove the delivery valve first insert a nail in the hole in the valve cage and then unscrew the delivery valve screw. When replacing these parts ensure that the raised boss on the valve washer faces to the front.
10. When re-assembling, it is important that the needle mount is correctly located in the hexagonal hole in the cylinder cage head, before re-tightening the cylinder clamping nut.

Lubricating Instructions

If this instrument becomes sluggish in operation, lubrication is probably required behind the piston.
1. Unscrew the dose adjustor until it can be pulled back against the spring and clear of the body.
2. Lubricate the cylinder with four or five drops of NJ Phillips Lubricant.
3. Screw back the dose adjustor to the required dose.