SYMPTOM

POSSIBLE CAUSE

REMEDY

Pump is difficult to operate, or does not appear to be creating pressure.

Piston rubber Pt No. 536480 is dry or damaged.

Lubricate or replace piston rubber

Piston rises after pumping.

Footvalve Pt No. 701980 damaged or dirty.

Replace footvalve assembly.

Pump is operating, but pressure is being lost from container.

Pump not screwed in tight.

Pump sealing ‘O’ ring Pt No. 627070 damaged.

Dosing cap 723710 not tight.

Tighten pump a little more - BUT DO NOT OVERTIGHTEN.

Replace pump sealing ‘O’ ring.

Tighten dosing cap.

Container has pressure but will not spray.

Blocked strainer Pt No. 613320 in trigger valve, or blocked nozzle.

Remove and clean the strainer or nozzle by flushing with water.

Poor spray pattern.

Nozzle partially blocked, or damaged.

Remove and clean, or fit a new nozzle.

Leak from a hose connection.

Loose hose nut or damaged hose.

Tighten hose union nut or cut off damaged end of hose and remake the connection.