DURAFLO™ 18 GPM PUMPING STATIONS
22
Belanger, Inc.® * PO BOX 5470 * Northville, MI 48167-5470 * Ph (248) 349-7010 * Fax (248) 380-9681
1MANUL375
Maintenance
Trouble Shooting Guide
Problem Cause Solution
Pump does not run
• Blown Fuses
• Overloads tripped
• Faulty car wash programmer
• Faulty motor
• Faulty pump
• Replace fuses
• Reset overload switch
(located on field supplied Motor Starter)
• Check programmer for damage
• Replace motor (Belanger® Part No. 1MOTOR-
EL785 or 1MOTOR-EL979)
• Replace pump (Belanger® Part No. 1PUMP937)
Pump runs rough
• Fluid too hot
• Air in water supply line
• Excessive turbulence or vibration in tank
• Inadequate fluid level in tank
• Shut off machine to allow fluid to cool off
• Purge airlines to remove bubbles
• Make sure tank is sitting level
• Increase fluid level
Drop in volume or
pressure
• Air leak in suction line
• Worn un-loader valve
• Empty supply tank
• Slipping drive belt
• Worn Low Level Switch
• Replace suction lines
• Replace un-loader valve (Belanger® Part No.
1VALVE-WA715)
• Refill fluid supply tank
• Tighten or replace belt (Part No. 1BELT595 for the
10 HP Pump Station or 1BELT598 for the 15 HP
Pump Station)
• Replace Low Level Switch (Belanger® Part No.
1ELECT-SW550)
Losing oil but do not
see any external
leakage
• One of the diaphragms inside the pump
may be damaged
• Replace diaphragm (Refer to Wanner™ Service
Section)
DO NOT OPERATE THE PUMP WITH A DAMAGED DIAPHRAGM.
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