Common faults of cold spray marking machine

Common faults of cold spray marking machine

The lubricating oil cannot completely lubricate the inside of the gasoline engine when the cold engine is started

Pull the starting rope several times to make the engine oil completely lubricate the inside of the gasoline engine, and then start it

The air valve is too small and the air intake is insufficient

Open the air valve appropriately and try to start

The oil circuit switch is not open

Check the status of the oil circuit switch, if it is not open, open it and try to start

Insufficient or aging engine oil

Take out the oil dipstick, check the oil residue and quality, and replace or add oil in time

Aging or damaged spark plugs

Replace the spark plugs and check the spark plug cables

Serious carbon deposits in the cylinder

Purchase professional engine carbon deposit cleaning agents for cleaning or find professional maintenance personnel to clean

Gasoline engine shakes and stutters

Reason 1

The air valve is too large and the throttle is too small

Appropriately reduce the air valve and increase the throttle appropriately until there is no stuttering

Reason 2

Insufficient preheating of the machine

In cold weather or environment, try to preheat the machine for 2-5 minutes before marking (remember not to preheat with air suction)

After opening the reflux valve The reflux pipe keeps emitting bubbles

The suction pipe is damaged and leaking

Check whether the suction pipe is damaged or leaking. If so, replace the suction pipe

The piston pump seal is damaged and air is inlet

Replace the piston rod seal

The piston pump body is damaged and leaking

Contact after-sales service or replace the piston pump body

After closing the reflux valve, the reflux pipe is still refluxing

Reason

The reflux valve switch is damaged

When the reflux valve is closed, the reflux pipe is still refluxing. Consider that the reflux switch is damaged. Contact after-sales service for replacement