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ARO PF20R-X-B, Operator'S Manual

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ARO PF20R-X-B Operator'S Manual Download Page 7

Page 7 of 8

PF20R-X-B

PARTS LIST / PF20X-X-X-B AIR SECTION

168

k

107

107

.

TORQUE REQUIREMENTS

,

NOTE: DO NOT OVERTIGHTEN FASTENERS.

ALL FASTENERS ARE METRIC.

Torque (105) Screw to 35 - 40 in. lbs (4.0 - 4.5 Nm).
Torque (134) Screw to 35 - 40 in. lbs (4.0 - 4.5 Nm).

LUBRICATION / SEALANTS

k

Apply Lubriplate FML-2 grease to “O” rings, “U” Cups
& mating parts.

136

137

k

139

k

111

138

k

.

105

135

133

.

134

101

103

174

k

121
118

173

k

169

k

172

k

171

k

170

167

k

173

121

k

174

118

166

k

132

k

243

k

244

k

199

k

141

k

140

232

k

200

k

232

k

233

176

k

PILOT VALVE

PART GROUP

MAJOR

VALVE

A 637374 Replacement Major Valve Service Assembly is available separately, which includes the following:

105 (4), 107 (2), 111, 132, 135, 136, 137, 138, 139, 140, 141, 166, 176 (2), 199, 200, 232 (2), 233, 236 (4), 243 and 244.

Figure 3

Optional 94117 Muffler

236

 (en)

Summary of Contents for PF20R-X-B

Page 1: ...Maximum Particle Size 2 dia 51 mm semi solids Maximum Temperature Limits diaphragm flap bumper material E P R EPDM 60_to280_F 51_to 138_C Nitrile 10_ to 180_ F 12_ to 82_ C Polyurethane 10_ to 150_ F 12_ to 66_ C SantopreneR 40_to225_F 40_to 107_C PTFE 40_ to 225_ F 4_ to 107_ C VitonR 40_to350_F 40_to 177_C Dimensional Data see page 8 Mounting Dimension 9 1 16 x 10 1 16 230 mm x 256 mm Noise Leve...

Page 2: ... Donotattempttoreturnapumptothe factory or service center that contains hazardous material Safe handling practices must comply with local and national laws and safety code requirements S Obtain Material Safety Data Sheets on all materials from the supplier for proper handling instructions WARNING EXPLOSION HAZARD Models containing alumi numwettedpartscannotbeusedwith III Trichloroethane Me thylene...

Page 3: ... KITS Refertothepartviewsanddescriptionsasprovidedonpage4through7 for parts identification and Service Kit information S Certain ARO Smart Parts are indicated which should be available for fast repair and reduction of down time S Service kits are divided to service two separate diaphragm pump functions 1 AIR SECTION 2 FLUID SECTION The FLUID SEC TION is divided further to match typical part MATERI...

Page 4: ...X B PF20X ASX SXX B PF20X BSX SXX B N P T F B S P N P T F B S P Item Description size Qty Part No Mtl Part No Mtl Part No Mtl Part No Mtl 15 Fluid Cap 2 94359 CI 94359 CI 95560 SS 95560 SS 53 Manifold Elbow 2 94362 CI 94362 CI 95563 SS 95563 SS 60 Bottom Manifold 1 94347 1 CI 94347 2 CI 95510 1 SS 95510 2 SS 61 Top Manifold 1 94348 1 CI 94348 2 CI 95511 1 SS 95511 2 SS 63 Pipe Plug 2 11 1 2 N P T ...

Page 5: ...66307 V PF20X XXX SVX B TORQUE REQUIREMENTS LUBRICATION SEALANTS Z Lubriplate FML 2 is a white food grade petroleum grease k Apply Lubriplate FML 2 grease to all O rings U Cups mating parts x Apply Loctite 242 to threads at assembly u Apply Loctite 503 pipe sealant 75 75 7 PTFE VIEW OF TWO PIECE PTFE DIAPHRAGM 80 u 8 6 4 1 7 5 3 2 Torque Sequence G 27 126 29 8 SANTOPRENE 55 60 61 26 G 55 175 k NOT...

Page 6: ... from Fluid Section repair S Inspect and replace old parts with new parts as necessary Look for deep scratches on 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 ...

Page 7: ...ase to O rings U Cups mating parts 136 137 k 139 k 111 138 k 105 135 133 134 101 103 174 k 121 118 173 k 169 k 172 k 171 k 170 167 k 173 121 k 174 118 166 k 132 k 243 k 244 k 199 k 141 k 140 232 k 200 k 232 k 233 176 k PILOT VALVE PART GROUP MAJOR VALVE A 637374 Replacement Major Valve Service Assembly is available separately which includes the following 105 4 107 2 111 132 135 136 137 138 139 140...

Page 8: ...se must be a non col lapsing type capable of pulling a high vacuum S Check all joints on the inlet manifolds and suction connections These must be air tight S Inspectthepumpforsolidobjectsloggedinthediaphragmchamber or the seat area DIMENSIONAL DATA Dimensions shown are for reference only they are displayed in inches and millimeters mm Figure 4 Air Inlet 3 4 14 N P T Inlet Outlet A K Dotted lines ...

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