Maintenance & Troubleshooting
AccuFlo Replacement Parts
Popular categories
Below you will find the AccuFlo exploded diagram, part numbers, and tune-up kit information for the AF10 standard model. Some additional part numbers are noted for different models.
This page is best viewed on a desktop monitor.
For more detailed information and schematics, consult the equipment manual for your specific unit.
Tank Orifice
MB1409-18
MB1409-25
MB1409-30
MB1409-60
(Dash number indicates size, for example for a .018″ size orifice, the part number is MB1409-18)
Bypass Tube
Standard Tank:
Lean: MB2265-1C
Medium: MB2265-1B
Rich: MB2265-1A
Tall Tank:
Lean: MB2265-2C
Medium: MB2265-2B
Rich: MB2265-2A
Abrasive Blend Assembly
Abrasive Blend Assembly: MB2270
Calibration Cap Conversion Kit*: MB1633-2
*For AF models purchased before 2024, this kit converts the abrasive blend knob to a calibration cap to lock in a setting.
Regulator
MB2290-1
Note: this diagram shows the regulator for the AF10 standard model.
AF10-C: MB2290-3
AF10-CE: MB2328-2
AF10-CH: MB2290-4
AF10-E: MB2328-2
AF10-H: MB2290-2
PowderGate Output Fitting
AF10 standard models with 1/4″ output fitting (and AF serial # up to 130): MB2560-2
AF10 standard models with 1/4″ output fitting (and with serial # from 131): MB2560-3
AF10 standard models with 3/8″ output fitting: MB2560-4
AF10-C models: MB2560-6
AF10-CH models: MB2560-6
AF10-E models with 1/4″ output fitting: MB2560-3
AF10-E models with 3/8″ output fitting: MB2560-4
Gauge
AF10 standard models: MB2280-1
AF10-C: MB2280-1
AF10-CE: MB2280-1
AF10-CH: MB2280-2
AF10-E: MB2280-1
AF10-H: MB2280-2
Tank Orifice
MB1409-18
MB1409-25
MB1409-30
MB1409-60
(Dash number indicates size, for example for a .018″ size orifice, the part number is MB1409-18)
Bypass Tube
Standard Tank:
Lean: MB2265-1C
Medium: MB2265-1B
Rich: MB2265-1A
Tall Tank:
Lean: MB2265-2C
Medium: MB2265-2B
Rich: MB2265-2A
Abrasive Blend Assembly
Abrasive Blend Assembly: MB2270
Calibration Cap Conversion Kit*: MB1633-2
*For AF models purchased before 2024, this kit converts the abrasive blend knob to a calibration cap to lock in a setting.
Regulator
MB2290-1
Note: this diagram shows the regulator for the AF10 standard model.
AF10-C: MB2290-3
AF10-CE: MB2328-2
AF10-CH: MB2290-4
AF10-E: MB2328-2
AF10-H: MB2290-2
PowderGate Output Fitting
AF10 standard models with 1/4″ output fitting (and AF serial # up to 130): MB2560-2
AF10 standard models with 1/4″ output fitting (and with serial # from 131): MB2560-3
AF10 standard models with 3/8″ output fitting: MB2560-4
AF10-C models: MB2560-6
AF10-CH models: MB2560-6
AF10-E models with 1/4″ output fitting: MB2560-3
AF10-E models with 3/8″ output fitting: MB2560-4
Gauge
AF10 standard models: MB2280-1
AF10-C: MB2280-1
AF10-CE: MB2280-1
AF10-CH: MB2280-2
AF10-E: MB2280-1
AF10-H: MB2280-2
Tune-Up Kits
Each kit provides a backup of 3 common wear items for most Standard AF10 AccuFlo models*. The only item that differs kit-to-kit is the PowderGate Output Fitting. Check the serial number on your unit and use the table below to select the right tune-up kit for your model. Cross-reference with the diagram above as needed.
| Kit # MB2247 | Kit # MB2247-2 | Kit # MB2247-3 | |
|---|---|---|---|
| For 1/4″ output fitting (AF serial # up to 130) | For 1/4″ output fitting (AF serial # 131 and up) | For 3/8″ output fitting | |
| PowderGate Output Fitting | MB2560-2 | MB2560-3 | MB2560-4 |
| PowderGate Nose (Seal) | MB1653 | MB1653 | MB1653 |
| O-Ring | ST5650-242 | ST5650-242 | ST5650-242 |
*These tune-up kits are not appropriate for the AF10-C Constant Air Bleed model AccuFlo. Wear items for the AF10-C should be purchased individually.
Other Replacement Part Numbers and Descriptions
Appropriate for most Standard AF10 AccuFlo models. Parts may vary for other models like the AF10-C Constant Air Bleed and AF10-H High-Pressure AccuFlo. Cross-reference with the diagram above.
| Part Description | Part # |
|---|---|
| Abrasive Blend Assembly | MB2270 |
| Bypass Tube (See Bypass Tube Selection Table for specific part numbers) | MB2265-X |
| Cover | MB2202-1 |
| Footswitch | PF2414 |
| Fuse, 220V, 5X20MM, (110V: 1A, Time Delay) (230V: 500mA, Time Delay) | ST2005-010 (115V) or ST2005-005 (230V) |
| Gauge | MB2280-1 |
| Modulator | MB2250-1 (115V) or MB2250-2 (230V) |
| PCB Assembly | MB2231-1 (115V) or MB2231-2 (230V) |
| PowderGate | MB2555 |
| PowderGate Output Fitting (Included in Tune-up Kit) | MB2560-x |
| PowderGate Nose (Seal) (Included in Tune-up Kit) | MB1653 |
| Power Switch | ST2045-5 |
| Regulator | MB2290-1 |
| Valve Manifold | MB2210-1 |
| Vent Pinch | MB2240 |
Handpiece and Nozzle Part Numbers and Descriptions
| Part Description | Part # |
|---|---|
| ComfortGrip Handpiece Assembly | MB2599 |
| Abrasive Hose, Blue, 1/4″ Diameter, 25ft Package | MB1233-25 |
| Abrasive Hose, Blue, 1/4″ Diameter, 100ft Spool Regulator Assembly | MB1233-100 |
| 0.018″, Violet, Round Hi/Performance Nozzle | MB2520-18 |
| 0.030″, Green, Round Hi/Performance Nozzle | MB2520-30 |
| 0.046″, Yellow, Round Hi/Performance Nozzle | MB2520-46 |
| 0.060″, Red, Round Hi/Performance Nozzle | MB2520-60 |
Tank Part Numbers and Descriptions
| Part Description | Part # |
|---|---|
| O-Ring (Included with Tune-up Kit) | ST5650-242 |
| Quicknut | MB1483 |
| Replacement Window | MB2230 |
| Tank Assembly | MB2200-10 (Standard) MB2200-20 (Tall Tank) |
| Tank Cover with Window | MB2220 |
| Tank Orifice | MB1409-xx (xx= orifice size; -40 is most common.) |
| Vent Fitting | ST4010-2 |
Bypass Tube Part Numbers
| Standard Tank | Tall Tank | |
|---|---|---|
| Lean | MB2265-1C | MB2265-2C |
| Medium | MB2265-1B | MB2265-2B |
| Rich | MB2265-1A | MB2265-2A |
