Ingersoll Rand Diaphragm Pump 666250-E49-C

Remove components from the fluid section

Note any scratches or marks on the diaphragm rod (1)

O-Ring Replacement and Sleeve Installation

Replace O-rings if worn or damaged and reinstall sleeve

Bushing and Spacer Installation

Carefully push (118) pilot rod into bushings

Retain pilot rod with components

Remove (123) screws and (122) O-rings

Remove (118) piston rod, (121) sleeve bushing, (119) O-rings and (120) spacers from the (101) motor body

Remove (103) sleeve and (102) O-rings

Ensure all parts are accounted for

Is the work area clean and free of debris?

Inspect and replace old parts with new parts as necessary

Look for deep scratches on metallic surfaces, and nicks or cuts in O-rings

Take precautions to prevent cutting O-rings upon installation

Lubricate O-rings with Key-Lube

Do not over-tighten fasteners, refer to torque specification block on view

Re-torque fasteners following restart

Service is divided into two parts

Refer to part views and descriptions on pages 4 through 7 for parts identification and service kit information.

Ensure availability of ARO Smart Parts for fast repair and reduction of down time.

Provide a clean work surface to protect sensitive internal moving parts from contamination.

Empty captured material in the outlet manifold by turning the pump upside down to drain material.

Disassemble the pump following the service kit instructions.

Record service activity details.