Ingersoll-Rand 66266-XXX-B User Manual

(34) valve rod (beveled end fi rst).
Thread the (34) valve rod to the (26) plunger rod and 
tighten, using the wrench fl ats provided.
Assemble one (23) “O” ring, the (22) seat (large o.d. cham-
fer facing down) and the other (23) “O” ring into the (15) 
pressure chamber body.
Assemble the (26) plunger rod and components into the 
(15) pressure chamber body with the (30) primer rod go-
ing in fi rst. Slide the (25) check stop into place in the (25) 
pressure chamber body.
Place the (7) gasket in the (25) check stop.
Lubricate the middle packing assembly and the inside of 
the (9) suction tube and carefully slide the suction tube 
over the (26) plunger rod and middle packing assembly 
and into the (25) check stop.
Install the three (10) tie rods.
Place the (7) gasket on the end of the (9) suction tube. 
NOTE: Apply a small amount of grease on the gasket to 

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help keep it in place.
Assemble the (6) pump body over the (26) plunger rod 
and onto the (10) tie rods. Seat the (9) suction tube into 
the (6) pump body.
Assemble the (43) wave spring, (53) male packing 
washer, (51 and 52) “V” packings and (115) backup onto 
the (26) plunger rod and into the (6) pump body (refer to 
page 3).
Install the (1) solvent cup assembly and hand tighten.
Push the (26) plunger rod down to expose the (30) 
primer rod at the bottom of the pump. Assemble the (31) 
primer plate and the (32) primer button (beveled edge 
away from the pump) onto the (30) primer rod, securing 
with the (33) lock nut.
Push up on the (30) primer rod until the primer rod is 
inside the (15) pressure chamber body, then tighten the 
(1) solvent cup assembly.

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