Packing nut – Kirby Morgan 37 User Manual

Page 22

Kirby Morgan 37 & 57

Install the retaining pin in the adjustment knob.

8) While holding the lever down, install the inlet

nipple with its O-ring into the regulator body. Using

the torque wrench, tighten the inlet nipple to 40 inch

pounds.

9) Lightly lubricate the piston and spacer. Install the

piston, spring set and spacer into the adjustment tube

of the regulator body, as shown in the blow-apart

drawing.

10) Lightly lubricate the new O-ring then install the

new washer and O-ring on the adjustment shaft.

11) Slide the packing nut onto the adjustment shaft,

then slip the knob onto the end of the shaft. Hold the

shaft and rotate the knob until the pinholes line up.

Use the inlet valve holder - the “L” shaped tool (or a

3/32” punch), from the regulator tool kit to accurately

align these holes.

12) Install the retaining pin by tapping it in with a

small hammer until it is flush with the outer surface

of the knob.

13) Lightly lubricate the end of the shaft and the

threads with the appropriate lubricant, and then thread

the adjustment shaft clockwise, using the adjustment

knob, into the regulator tube until the packing nut

can be started.

Back out the adjustment knob once the packing nut is

engaged on the demand regulator body to access the

packing nut with the torque wrench. Using a torque

wrench, tighten the packing nut to 40 inch pounds.

Adjustment end of the SuperFlow 350 regulator.

Regulator body

Piston

Spring set

Spacer

Shaft

Retaining Pin

Adjustment

knob

Packing nut