Eriez FJ-310A, Installation, Operation And Maintenance Instructions

26

Will Not Discharge

1. Discharge standpipe

1.    Check standpipe for blockage; physically remove 

obstruction.

2. Discharge hose

2.    Check hose for blockage; physically remove obstruction.

3. Tank

3.    Check for build up of fines and swarf in bottom of tank;  

clean as necessary.

4. Pneumatic muffler

4.    On LP units, ensure pneumatic muffler is not covered by  

dirt/oil; clean or replace.

5. Discharge nozzle

5.    Check to see if nozzle is plugged, physically remove 

obstruction.

6. Four-way valve

6.    On LP units, be sure four-way valve is in discharge position.

7. Suction valve

7.    Be sure suction inlet ball valve is fully closed.

Fluid Dripping from 
Exhaust Mufflers

1. Float

1.    Ensure that electric float is unobstructed and operating.

2. Discharge ports

2.    Check that all discharge ports are fully closed or capped.

3. Discharge nozzle

3.    Be sure discharge nozzle is fully closed.

4. Tank selector switch

4.    On dual compartment units, ensure switch is set for  

tank in use; improper switch setting will not enable float 
switch to work.

5. Foam

5.    Check for excessive coolant foaming; call coolant supplier  

for corrective action.

lp Engine Stalls During 
Discharge or Suction

1. Engine

1.    Check engine RPM; adjust as necessary.

2. Regulator

2.    Pressure or vacuum regulator could be out of adjustment; 

contact a Service Technician at Eriez.

3. Pneumatic muffler

3.    Ensure pneumatic muffler on four-way valve is not covered 

with dirt/oils; clean or replace.

4. LP system

4.   Check if LP system is frozen or not working correctly,  

repair or replace.

Excessive Noise

1. Blower

1.    Blower rotors are out of time and knock; replace.

2. Blower muffler

2A.  Check muffler for rust or holes; replace.
2B.  Check mufflers for liquid saturation; drain and dry 

or replace.

3. Pneumatic muffler

3.    Check to see if pneumatic muffler is rusted out, replace.

4. Engine muffler

4.    Check to see if engine muffler is rusted out; replace.

5. RPM’s too high

5.    Check engine RPM for proper speed; adjust engine.

6. Air venturi silencer

6.    Check for liquid saturation; drain and dry or replace.

portability

1. Hard to push

1A.  Check for worn wheels or casters; replace.
1B.  Check wheel and caster bearings: grease or replace.
1C. Rough Floors: investigate a tow unit or use a forklift  

to transport.

Sump Cleaner Troubleshooting Chart 

(cont.)

Always check your manual for operation instructions and maintenance