
Troubleshooting
IMER Pump Rotor and Stator Wear: Signs, Checks, Parts
Falling material flow or a BLOC message on an IMER Step-Up 120, Small 50 or Koine 4? What the manuals say to check, how to swap the pump, and the parts listed.
4 min read
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IM R 75/23 DA Pro Lithium Lift, 75 ft Reach1128857From $177,100
IM R 75/23 DA Pro Gas Lift, 75 ft Reach1128855From $163,100
IM R 65/20 DA Pro Hybrid Lift, 65 ft Reach1128823From $152,100
IM R 65/20 DA Pro Lithium Lift, 65 ft Reach1128803From $148,100
IM R 58/18 SA Pro Hybrid Lift, 58 ft Reach1128825From $138,100
IM R 65/20 DA Pro Diesel Lift, 65 ft Reach1128790From $137,100
01Where it fits
02Fits
Pneumatic Circuit
Drawing 6 · Ref 3Air System
Drawing 8 · Ref 9| Machine | Assembly | Shown in |
|---|---|---|
| IMER Prestige 300 | Pneumatic Circuit | Drawing 6 · Ref 3 |
| IMER Small 50 | Air System | Drawing 8 · Ref 9 |
From IMER parts books 3234338 r03 (2018-09), 3225890 r11 (2018-09).
03Where it sits
| Ref | Part no. | Name | Price |
|---|---|---|---|
| 1 | 3224466 | Compressor K18/B VA320 DXC/C S/F | In stock, $2,195.00 |
| 2 | 3234130 | Air Filter | Request price |
| 3 | 1220118 | Washer 1/4" | In stock, $10.00 |
| 4 | 3224362 | Nipple 1/2" | In stock, $10.00 |
| 5 | 3233660 | Pressure Switch GP600 1/4" Cylindrical 2-10 Bar | In stock, $243.00 |
| 6 | 3225605 | Cyl. Reduced Nipple 3/4"-1/2" Conical Cast Iron Z | In stock, $17.00 |
| 7 | 3224968 | Standard T Air Connection 1/4" F.F.F. | Request price |
| 8 | 3224967 | Plug 1/4" M. Cyl. Chromed Brass | Request price |
| 9 | 3225738 | 90° Elbow 3/4" F.F. | In stock, $12.00 |
| 10 | 3225126 | Hydraulic Hex Plug 1/4" M. 60° | Request price |
| 11 | 3224205 | Wide Radius Bend 45° 1/2" F.F. | In stock, $29.00 |
| 12 | 3225609 | Hose Union 3/4" M.x25 | In stock, $26.00 |
| 13 | 3224168 | 90° Elbow 1/2" F.F. | Request price |
| 14 | 3223730 | Nickel-Plated Flanged Ring Nut 1/2" F. | Request price |
| 15 | 3225152 | Cyl. Hydraulic Nipple 1/2" 60° | In stock, $12.00 |
| 16 | 3225221 | Pressure Release Device | In stock, $370.00 |
| 17 | 3225578 | Pressure Release Device Bracket | Request price |
| 18 | 3223632 | Threaded Branch 1/2" M. | In stock, $28.00 |
| 19 | 3223617 | Union T 1/2" F.F.F. | Request price |
| 20 | 3223637 | 90° Elbow M.F. with Conical Seat Bush 1/2" | Request price |
| 21 | 3223609 | Reduction M.1/2" - F.1/4" | In stock, $10.00 |
| 22 | 3224203 | Quick Coupling 1/2" M. | In stock, $19.00 |
| 23 | 3224202 | Ball Valve 1/2" F.F. CIM 12 | In stock, $68.00 |
| 24 | 3224270 | 90° Elbow 1/2" F.F.Code as printed (same as Compressor Support in table 5) | Request price |
| 25 | 3225615 | Standard Air Connection 90° 1/4" M.F. Conical | Request price |
| 26 | 3225628 | Hydraulic Extension 1/4" M.F. 60° L.50mm | In stock, $22.00 |
| 27 | 3228627 | Air Filter Manifold | Request price |
| 28 | 3231165 | Belt Tightener Stay | Request price |
| 29 | 3225643 | Fitted Air Connection 90° 1/4" Swivel for Pipe D.8/6 | In stock, $32.00 |
| 30 | 3251845 | Self-Centering Washer GM 1/4" | In stock, $10.00 |
| 31 | 3231174 | Plate | Request price |
| 32 | 3225697 | Foraflon Air Hose D.8/6 L.1200mm | In stock, $94.00 |
| 33 | 3225683 | Air Hose FD 1/2" L.1000mm | In stock, $214.00 |
| 34 | 3225684 | Air Hose FD 1/2" L.1450mm | In stock, $270.00 |
| 35 | 3225680 | Compressor Suction Pipe Int. Diam 25 L.120mm | In stock, $103.00 |
| 36 | 3225679 | Diesel Engine Suction Pipe Int. Diam 51 L.330mm | In stock, $150.00 |
| 37 | 3225676 | Clamp 25-40 | In stock, $12.00 |
| 38 | 3225218 | Clamp 40-60 | Request price |
| 39 | 3225925 | Air Filter Cartridge | Request price |
| 40 | 3225926 | Safety Air Filter Cartridge | In stock, $178.00 |
04Specifications
This is genuine IMER part number 1220118. The official IMER parts books list it as "Washer 1/4"" and show it for the IMER Prestige 300 and Small 50.
Parts-book listings: Small 50, table 8 (Air System), ref 9; Prestige 300, table 6 (Pneumatic Circuit), ref 3.
Check that the part number on your old part or in your machine's parts list matches 1220118 before ordering, or contact us with your machine's model and serial number.
05Used with
06Documents
3234338 · r03 · 2018-09 · page 62
3225890 · r11 · 2018-09 · page 59
Guides

Troubleshooting
Falling material flow or a BLOC message on an IMER Step-Up 120, Small 50 or Koine 4? What the manuals say to check, how to swap the pump, and the parts listed.
4 min read

Maintenance
End-of-shift cleaning, freeze draining and storage steps from the IMER manuals for the Mix 750, Mix 120 Plus, Step-Up 120, Small 50, Koine 4 and more.
5 min read
Answers
07Shipping & returns
Leaves us in 1–3 business days; ground delivery usually takes 5–7 business days.
On orders over $1,500 to commercial addresses in the contiguous US.
30-day returns on unused items with a return authorization.
Fit check