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SPEEDAIRE

SPEEDAIRE Oil Adjust Dome Assembly Green 56611

SKU CH-0E7C-30NN0

Green oil adjust dome assembly compatible with Speedaire items 4ZL59, 4ZL61, 4ZL63, 4ZL64, 4ZL65, 4ZL66, 4ZL67, 4ZL72, 4ZL73, 4ZL74, 4ZL75, 4ZL76, 4ZL77, 4ZL84, 4ZL85, 4ZL86, 4ZL87, 4ZL88 and 4ZL89

  • Compatible with multiple Speedaire units including 4ZL59 through 4ZL89
  • Green finish provides clear visual identification in workshop settings
  • Oil adjustment dome enables precise hydraulic pressure control
  • Brand-new SPEEDAIRE component ensures reliable replacement performance

SPEEDAIRE Oil Adjust Dome Assembly 56611

The SPEEDAIRE Oil Adjust Dome Assembly 56611 is a green replacement component for hydraulic systems. It fits Grainger items 4ZL59, 4ZL61, 4ZL63, 4ZL64, 4ZL65, 4ZL66, 4ZL67, 4ZL72, 4ZL73, 4ZL74, 4ZL75, 4ZL76, 4ZL77, 4ZL84, 4ZL85, 4ZL86, 4ZL87, 4ZL88, and 4ZL89. Maintenance teams use it to restore oil adjustment function on compatible Speedaire equipment.

Replaces worn or damaged dome assemblies

This assembly replaces a cracked, leaking, or seized original dome on the listed Grainger items. The jump is worth it when the existing unit no longer holds pressure or allows precise oil flow control. It is not for hydraulic systems outside the specified Grainger item range or for builders needing a different thread pattern or colour code.

Highlights

  • Compatible with multiple Speedaire units including 4ZL59 through 4ZL89
  • Green finish provides clear visual identification in workshop settings
  • Oil adjustment dome enables precise hydraulic pressure control
  • Brand-new SPEEDAIRE component ensures reliable replacement performance

Specifications

BrandSPEEDAIRE

Questions about this item

Which Grainger compressor models accept the Speedaire 56611 oil adjust dome assembly?

The assembly fits Grainger item numbers 4ZL59, 4ZL61, 4ZL63, 4ZL64, 4ZL65, 4ZL66, 4ZL67, 4ZL72, 4ZL73, 4ZL74, 4ZL75, 4ZL76, 4ZL77, 4ZL84, 4ZL85, 4ZL86, 4ZL87, 4ZL88 and 4ZL89.

What is the common installation mistake when fitting the 56611 dome assembly on a Speedaire compressor?

Over-tightening the dome cracks the green housing; hand-tighten plus a quarter turn seats the O-ring without damage.

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