9
REFER TO THE TROUBLE SHOOTING GUIDE
USING THE VACUUM PUMP TO PRIME THE PUMP (IF REQUIRED)
If the sprayer has not been used for some time or has been left with chemical in it then the pump
valves may become stuck. If this happens the pump will run but no liquid is pumped.
If this happens you can use the hand operated vacuum pump to prime the pump as follows:
1. Empty the tank and spray hose of liquid
2. Make sure the power switch on the knapsack is off
3. Connect the hand pump as shown in the pictures below and lock the trigger on
4. Pump the handle to draw some air and unstick the pump valves
5. Clean the vacuum pump after use.
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