Page 59
AP-3 Manual
Revision 3 - April, 2009
Chapter 7: Troubleshooting & Repairs
Problems may occur and usually can be easily resolved by following these instructions. If,
after careful reading and service, you cannot resolve the problem, please contact the
QED
Environmental Systems (QED)
Service Department at (800) 537-1767.
Caution:
Wear goggles, gloves, and coveralls when servicing this system.
After troubleshooting is completed and before assembling the pump, slowly
move the float through its range to ensure that the lever will trip even if the
pump fills and empties slowly.
Note:
See Chapter 6:
Maintenance for disassembly and cleaning instructions.
Possible Causes
Detailed Instructions
Follow this Chart
Pump not cycling
Pump Cycles, but
volume is reduced or
there is no discharge
Air in fluid discharge
1. Air supply
X
X
2. Fluid level
X
3. Air exhaust restricted
X
X
4. Fluid Inlet clogged
X
5. Debris, scale or very
viscous fluid
6. Float pins
X
X
7. Debris in air inlet
valve
8. Fluid check valve
X
9. Valve timing
X
X
Symptoms
X
X
X
Summary of Contents for AutoPump AP-3
Page 18: ...Page 9 AP 3 Manual Revision 3 April 2009 Figure 3 How it Works 601345 Chapter 2 Overview...
Page 25: ...QED Environmental Systems AP 3 Manual Page 16 Figure 5 Long and Short Bottom Loading AP 3 BL...
Page 37: ...QED Environmental Systems AP 3 Manual Page 28 Figure 12 Locking Quick Connects 600259 02...
Page 41: ...QED Environmental Systems AP 3 Manual Page 32 Figure 16 AP 3 Assembly Well Cap with Hose Barbs...
Page 47: ...QED Environmental Systems AP 3 Manual Page 38 Figure 19 Hose Bundling Part 2 of 2 600487 03...
Page 57: ...QED Environmental Systems AP 3 Manual Page 48 Figure 20 Removing AP 3 Pump Casing...
Page 119: ...QED Environmental Systems AP 3 Manual Page 110 Log Notes...