Dayton Operating Instructions and Parts Manual | 1P579F |
Dayton™ Marine Utility Pump
3.Pump should be checked daily, weekly, monthly, etc., for proper operation. If anything has changed since unit was new, unit should be removed and repaired or
Ereplaced. Only qualified electricians
Nor servicemen should attempt to repair this unit. Improper
G
repair and/or assembly can
L cause an electrical shock hazard.
I
S
H
TO REPLACE IMPELLER:
NOTE: Impeller replacement is not a warranty item.
1.Replace impeller when worn, damaged by foreign objects, run dry or when pumping a liquid not compatible with impeller.
2.Obtain service Repair Kit No.1R387A.
3.Remove cover plate and gasket.
4.Remove impeller.
5.Grease the new impeller with Vaseline petroleum jelly or similar lubricant and align the flat on the inside of the impeller with the flat on the motor shaft. Push impeller into place and at the same time twist in clockwise direction. This will bend the blades in the direction required for running.
6.Replace cover using new gasket provided with each 1R387A Repair Kit. Tighten all screws evenly and snugly. DO NOT
Troubleshooting Chart
Symptom | Possible Cause(s) | Corrective Action | |||
| 1. No electricity | 1. | Determine that outlet is for 115VAC | ||
| 2. | Brushes worn out | 2. | Replace | |
| 3. | Impeller jammed | 3. | Clear obstruction | |
Pump will not run | 4. Motor has open circuit | 4. | Replace | ||
| 5. | Motor overheated | 5. | Motor has Automatic Thermal Protector. Wait for | |
|
|
|
| fifteen minutes for motor to cool, then restart. | |
|
|
|
| Liquid may be too hot. | |
|
|
|
|
| |
| 1. | Faulty suction piping | 1. | Repair or replace | |
| 2. | Defective impeller | 2. | Replace | |
Pump runs but no fluid is | 3. Suction lift too high | 3. | Lower pump | ||
pumped. | 4. Discharge height too great | 4. | Lower the height | ||
| 5. | Clogged inlet | 5. | Clean or replace | |
| 6. | Pump too far from liquid | 6. | Relocate | |
|
|
|
|
| |
| 1. | Air leak in suction line | 1. | Repair or replace. | |
| 2. | Defective impeller | 2. | Replace | |
| 3. | Seal worn | 3. | Replace | |
| 4. | Gasket leaking | 4. | Replace | |
Pump will not prime or retain | 5. Groove worn in shaft at seal area | 5. | Replace motor | ||
prime after operating. | 6. Suction lift too high | 6. | Lower pump | ||
| 7. | Hose kinked | 7. | Straighten hose | |
| 8. | Hose fitting not tight on head | 8. | Tighten hose | |
| 9. | Inadequate impeller lubrication | 9. | Lubricate through inlet or outlet of pump head. | |
|
|
|
| See note in Operation. | |
|
|
|
|
| |
| 1. | Piping or hose is fouled or damaged | 1. | Clean or replace | |
Flow rate is low | 2. | Clogged impeller | 2. | Clear obstruction | |
3. | Worn cam or impeller | 3. | Replace | ||
| |||||
| 4. | Voltage incorrect | 4. | Supply to be 115VAC, 60Hz | |
|
|
|
|
| |
| 1. | Seal worn out | 1. | Replace | |
Shaft seal leaks | 2. Shaft grooved | 2. | Replace motor | ||
| 3. | Pump head loose on motor | 3. | Repair | |
| 1. | Voltage incorrect | 1. | Supply to be 115VAC, 60Hz | |
| 2. | Excessive discharge pressure | 2. | Reduce pressure | |
Motor runs too hot | 3. | Impeller swollen | 3. | Replace | |
4. | Liquid too viscous | 4. | Reduce viscosity of liquid | ||
| |||||
| 5. | Plugged or kinked discharge | 5. | Examine and repair | |
| 6. | Insufficient air flow on motor | 6. | Be sure ample fresh air is available at the motor. | |
|
|
|
|
| |
4
