Ingersoll Rand Diaphragm Pump 666250-9C4-C

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

Remove components from the (101) motor body

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

Are all components removed and accounted for?

Describe any issues encountered during disassembly

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 from the pump.

Keep good records of service activity.

Include pump in preventive maintenance program.

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

Install sleeve bushings, O-rings, and spacers

Carefully push (118) pilot rod into bushings and retain with O-rings and screws

Retain pilot rod with components

Insert spacer ensuring legs are oriented away from blocking internal ports

Lubricate and carefully insert (111) spool

Packing Cup and Piston Installation

Lubricate and install (110) packing cup