Graco SaniForce 3A5402, Repair Parts

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Troubleshooting
Problem Problem
Problem
Cause Cause Cause Solution Solution Solution
Restricted air line or inadequate
air supply. Clear air line or increase air
supply.
Insufficient air pressure; closed or
clogged air valves, etc. Open or clean air valves, etc.
Exhausted fluid supply. Change drum.
Obstructed fluid line, valves,
dispensing valve, etc. Clear. Relieve pressure and
disconnect fluid line. Turn on air.
If pump starts, the fluid line is
clogged.
Worn throat packing. Replace throat packing.
Pump operates, but output low on
both strokes.
Damaged cylinder seal. Replace seal.
Pump inlet blocked. Unblock.
Pump running too fast. Slow pump speed.
Material too thick. Thin material.
Pump operates, but dives on down
stroke.
Ram down pressure too low. Increase pressure.
Pump operates, but output low on
up stroke. Worn or damaged pump seal(s). Service pump.
Exhausted fluid supply. Change drum. Erratic or accelerated operation.
Worn or damaged pump seal(s). Service pump.
12 3A5404F