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Chart 3-Won't Pump Air-Runs, But Tank Shows No Pressure Build-Up - Honeywell WP241 Series Service Data

Dual air compressors
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CHART 3-WON'T PUMP AIR
START
ISOLATE
BUILDING
Al R SUPPLY
N O
TURN UNIT ON
REPLACE
BETWEEN PUMP AND
OUTLET
VALVE*
YES
DISASSEMBLE
AND INSPECT
VALVES
,
REPAIR AS NEEDED,
SEE "PARTS LIST"
*CRACKED
DISCHARGE
TUBE, TANK, OPEN VALVE, ETC.

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