300-301 FLOW GUN 1/4 inch SEAT TUNGSTEN CARBIDE

 

350-420

350-165 (2)

400-160

400-158

400-872

400-164

400-155

 

O’RING

O’RING

PACKING

TRIGGER

U-RING

SPRING

ADJUSTING

 

 

 

NUT

PLATE

 

 

SCREW

 

 

350-166

(2)

400-154

 

 

 

 

SPACER

 

 

 

 

BACK UP

 

 

 

 

SLEEVE

 

 

 

 

 

 

 

 

400-667

400-690

400-691

400-279

 

 

 

 

COLLAR

VALVE SEAT

VALVE-TC

STEM

 

 

 

 

350-167

350-306

 

O’RING

ROLL PIN

400-153

 

 

BODY

400-161

 

TRIGGER

 

400-873

350-335

SHOULDER

ACORN NUT

SCREW

 

300-919

VALVE ROD ASSEMBLY

DISASSEMBLY INSTRUCTIONS

1)Unbolt the Acorn nut and Shoulder screw and remove the Trigger

2)Unscrew the adjustment screw and remove the Spring.

3)Remove the Collar and Nozzle.

4)Remove the Valve Seat.

5)The U-ring can be pushed out from the side of the body.

6)Push the Valve rod assembly out of the body.

7)Using a large flat screwdriver remove the Packing nut and O’ring.

8)Clean and inspect all parts.

ASSEMBLY INSTRCTIONS

1)Align the holes between the Valve and Stem and press the roll pin flush with the Valve.

2)Install a lubricated 350-420 O’ring into the Packing Nut bore.

3)Install the back-up-rings and O’ring into the Packing Nut and Lubricate.

4)Tighten the Packing Nut into the Body with a large flat screwdriver.

5)Push the Valve Rod assembly though the body. (see diagram above)

6)Slide the Trigger Plate and Spacer Sleeve over the Stem.

7)Install the U-bolt on the Stem.

8)Place the Spring in the Adjusting Screw and thread it into the Body.

9)Install the 350-167 O’ring on the Seat and lubricate.

10)Thread the Valve Seat into the body and tighten.

11)Install the Trigger and tighten the Acorn nut and Shouder Screw.

12)Install Nozzle and Collar.

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Ingersoll-Rand 300-301 specifications Valve ROD Assembly Disassembly Instructions, Assembly Instrctions