John Deere AC-SP2GS Manual De Usuario

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16 
 
 
 Semi-Trash Pump Operator's Manual 
  
Solutions 
Solution 1: Remove debris in impeller. (Do not remove impeller)
Solution 2: Check suction hose. Most cases of lack of priming 
or low water flow are caused by air leakage on the suction 
side of the pump.
Suction test:
a.   Remove suction hose
b.   Start engine with water inside the pump.
c.   Press the palm of your hand to cover the suction inlet, 
hold and wait 30 seconds. If you feel suction on your 
palm, the pump is working fine. Check suction hose 
and connections.
d.   Check if rubber seal is installed.
Note: In case of water leakage 
between engine and pump, 
usually the cause is damaged 
mechanical seal. Please 
ask shop for assistance and 
replace mechanical seal.