PARTS LIST / PF20X-X-X-B AIR SECTION

nIndicates parts included in 637421 Air Section Service Kit shown below and items (70), (144), (175), (180) shown on page 4.

AIR MOTOR PARTS

Item

Description (size)

Qty

Part No.

[Mtl]

101

Center Body (PF20A-X-X-B)

(1)

94028

[A]

 

(PF20S-X-X-B)

(1)

94109

[SS]

103

Bushing

(1)

94092

[D]

105

Screw (M6 x 1 - 6g x 20 mm)

(4)

95887

[SS]

111

Spool

(1)

95651

[D]

118

Actuator Pin (0.250” x 2.276” long)

(2)

94083

[SS]

121

Sleeve

(2)

94084

[D]

~ 127

90 St. Elbow (1-1/2 - 11-1/2 N.P.T.)

(1)

94860

[C / I]

128

Set Screw (1/4” - 20 x 1/4”)

(2)

Y29-42-S

[SS]

n 132

Gasket

(1)

94099

[B]

133

Lockwasher (1/4”) (PF20A-X-X-B)

(3)

Y117-416-C

[C]

 

(PF20S-X-X-B)

(3)

Y14-416-T

[SS]

134

Screw (M6 x 1 - 6g x 30 mm)

(4)

96358

[SS]

135

Valve Housing (PF20A-X-X-B)

(1)

96334-1

[A]

 

(PF20S-X-X-B)

(1)

96337-1

[SS]

136

Plug (PF20A-X-X-B)

(1)

96335

[A]

 

(PF20S-X-X-B)

(1)

96339

[SS]

n 137

“O” Ring (1/16” x 2” o.d.)

(1)

Y325-32

[B]

n 138

“U” Cup (3/16” x 1.792” o.d.)

(1)

95966

[B]

n 139

“U” Cup (3/16” x 1-1/4” o.d.)

(1)

Y186-50

[B]

140

Valve Insert

(1)

95650

[Ck]

141

Valve Plate

(1)

95659

[Ck]

n 146

“O” Ring D (3/32” x 1-1/16” o.d.)

(1)

Y325-118

[B]

n 147

“O” Ring D (1/8” x 1/2” o.d.)

(2)

Y325-202

[B]

n 166

Track Gasket z

(1)

94026

[B]

KFluid Section Kit parts, see page 4.

Item

Description (size)

Qty

Part No.

[Mtl]

n 167

Pilot Piston (includes 168 and 169)

(1)

67164

[D]

168

“O” Ring (3/32” x 5/8” o.d.)

(2)

94433

[U]

169

“U” Cup (1/8” x 7/8” o.d.)

(1)

Y240-9

[B]

170

Piston Sleeve

(1)

94081

[Br]

n 171

“O” Ring (3/32” x 1-1/8” o.d.)

(1)

Y325-119

[B]

n 172

“O” Ring (1/16” x 1-1/8” o.d.)

(1)

Y325-22

[B]

n 173

“O” Ring (1/16” x 1-3/8” o.d.)

(2)

Y325-26

[B]

Kn 174

“O” Ring (1/8” x 1/2” o.d.)

(2)

Y325-202

[B]

n 176

Diaphragm (check valve)

(2)

94102

[SP]

n 199

Track Gasket

(1)

95666

[B]

n 200

Gasket

(1)

95665

[B]

~ 201

Muffler

(1)

94810

 

233

Adapter Plate (PF20A-X-X-B)

(1)

96336

[A]

 

(PF20S-X-X-B)

(1)

96338

[SS]

240

Screw (M6 x 1 - 6g x 16 mm)

(2)

95991

[SS]

n 241

Track Gasket

(1)

96344

[B]

n 242

“O” Ring (1/16” x 7/32” o.d.)

(1)

Y325-5

[B]

n 243

“O” Ring (1/8” x 5/8” o.d.)

(1)

Y325-204

[B]

n 244

“O” Ring (1/8” x 7/8” o.d.)

(1)

Y325-208

[B]

 

 

 

 

 

L n

Lubriplate FML-2 Grease

(1)

94276

 

 

Lubriplate Grease Packets (10)

 

637308

 

D Used on models PF20S-XXX-SXX-B only.

 

 

z Used on models PF20A-XXX-SXX-B only.

 

 

~ Items not shown

 

 

 

AIR MOTOR SECTION SERVICE

Service is divided into two parts - 1. Pilot Valve, 2. Major Valve.

GENERAL REASSEMBLY NOTES:

SAir Motor Section Service is continued from Fluid Section repair. S Inspect and replace old parts with new parts as necessary. Look for

deep scratches on metallic surfaces, and nicks or cuts in “O” rings. S Take precautions to prevent cutting “O” rings upon installation.

S Lubricate “O” rings with Lubriplate FML-2 grease.

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

S Re-torque fasteners following restart.

S SERVICE TOOLS -- To aid in the installation of (168) “O” rings onto the (167) pilot piston, use tool # 204130-T, available from ARO.

PILOT VALVE DISASSEMBLY

1.A light tap on (118) should expose the opposite (121) sleeve, (167) pilot piston and other parts.

2.Remove (170) sleeve, inspect inner bore of sleeve for damage.

PILOT VALVE REASSEMBLY

1.Clean and lubricate parts not being replaced from service kit.

2.Install new (171 and 172) “O” rings, replace (170) sleeve.

3.Install new (168) “O” rings and (169) seal - Note the lip direction. Lu- bricate and replace (167).

4.Reassemble remaining parts, replace (173 and 174) “O” rings.

MAJOR VALVE DISASSEMBLY

1.Remove (135) valve block and (233) adapter plate, exposing (166 and 132) gaskets and (176) checks.

2.Remove (233) adapter plate, releasing (140) valve insert, (141) valve plate, (199, 200 and 241) gaskets and (243 and 244) “O” rings.

3.Remove (136) plug and (137) “O” ring, releasing (111) spool.

MAJOR VALVE REASSEMBLY

1.Install new (138 and 139) “U” cups on (111) spool -- LIPS MUST FACE EACH OTHER.

2.Insert (111) spool into (135) valve housing.

3.Install (137 and 242) “O” rings on (136) plug and assemble plug to

(135)valve housing, securing with (105) screws.

4.Install (140) valve insert, (141) valve plate, (199) gasket and (243 and 244) “O” rings into (135) valve housing. NOTE: Assemble (140) valve insert with “dished” side toward (141) valve plate. Assemble

(141)valve plate with part number identification toward (140) valve insert.

5.Assemble (200 and 241) gaskets and (233) adapter plate to (135) valve housing, securing with (240) screws.

6.Assemble (132 and 166) gaskets and (176) checks to (101) center body.

7.Assemble (135) valve housing and components to (101) center body, securing with (134) screws.

Page 6 of 8

PF20X-X-X-B (en)

Page 5 Page 7
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Ingersoll-Rand manual Parts List / PF20X-X-X-B AIR Section, AIR Motor Parts
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PF20X-X-X-B specifications

The Ingersoll-Rand PF20X-X-X-B is a high-performance rotary screw air compressor designed for various industrial applications. This model stands out in the realm of compressed air solutions due to its efficiency, reliability, and innovative features that enhance productivity.

One of its main features is its advanced rotary screw technology, which allows for continuous operation and minimizes energy consumption. The PF20X-X-X-B utilizes a premium efficiency motor that not only boosts performance but also reduces operational costs. This is particularly beneficial for businesses looking to lower their energy expenses while maintaining high productivity levels.

The compressor is equipped with a state-of-the-art controller that provides real-time monitoring and diagnostics. This intelligent control system ensures optimal operation by adjusting the compressor's performance based on the air demand. As a result, users benefit from improved energy efficiency and reduced wear on components, ultimately extending the life of the machine.

Another notable characteristic of the Ingersoll-Rand PF20X-X-X-B is its robust construction. Built with durable materials and components, this compressor can withstand demanding industrial environments. Its design emphasizes reliability, ensuring that users experience maximum uptime with minimal maintenance requirements.

The PF20X-X-X-B also features a sound-reduced enclosure, making it one of the quieter options in the market. This is particularly advantageous for facilities that prioritize a comfortable working environment. Reduced noise levels contribute to better employee satisfaction and can also comply with regulatory noise standards.

In addition to its performance and durability, the PF20X-X-X-B offers flexible installation options. Its compact design allows it to fit into various spaces, making it ideal for workshops, manufacturing plants, and other industrial settings.

Safety is paramount, and this compressor comes equipped with essential safety features to protect both the equipment and the operator. Engineered with fail-safes and alarms, it ensures that any issues are quickly identified and addressed.

Overall, the Ingersoll-Rand PF20X-X-X-B is a versatile and efficient choice for businesses seeking reliable compressed air solutions. With its advanced technology, robust design, and user-friendly features, it stands as a valuable addition to any industrial operation. Whether for light-duty tasks or heavy industrial applications, this compressor meets diverse needs while delivering exceptional performance.
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