Parker A4W Series Installation, Service And Parts Information

Also see for A4W Series: Product bulletin Installation and Service Information

Contents

Refrigerating Specialties Division 10Parts Kits Which Are Common To All A4W Port Sizes(including A4W, A4WE, A4WS, A4WB, A4WD, A4WP, A4WOE and A4WR)Item No. Description and Contents Qty. Kit No.Stem Kit, Adjusting 20212052 Stem, Adjusting 153 Washer, Flat 154 Packing, Stem 1Spring Stem Kit, Range A & V 20200655 Nut, Packing 1* Stem Kit, Adjusting (202120) 150 Plate, Spring, Upper 148 Plate, Spring, Lower 149 Spring. Comp. 147 Follower, Diaphragm 1Spring Stem Kit, Range D 20200755 Nut, Packing 1* Stem Kit, Adjusting (202120) 150 Plate, Spring, Upper 148 Plate, Spring, Lower 149 Spring, Comp. 147 Follower, Diaphragm 1Bonnet/Spring Kit, Range A & V (A4WOnly) 202008* Spring Stem Kit (202006) 157 Seal Cap 156 Gasket 151 Bonnet 158 Screw, Hex Head** 848 Gasket 1**Not for S, B or D VariationsBonnet, Spring Kit, Range D (AM Only) 202009Spring Stem Kit (202007) 157 Seal Cap 156 Gasket 151 Bonnet 158 Screw, Hex Head** 846 Gasket 1**Not for S, B or D VariationsSeal Cap Kit 20211057 Seal Cap 156 Gasket 1Packing Kit, Opening Stem 20210112 Nut, Packing 113 Packing, Stem 114 Washer, Flat 1Spring Kit, Range A & V 20248150 Plate, Spring, Upper 148 Plate, Spring, Lower 149 Spring, Comp. 146 Gasket 1Spring Kit, Range D 20248250 Plate, Spring, Upper 148 Plate, Spring, Lower 149 Spring, Comp. 146 Gasket 1Diaphragm Kit, Range A & V 20077045 Diaphragm 146 Gasket 143 Gasket 1Diaphragm Kit, Range D 20077145 Diaphragm 246 Gasket 143 Gasket 1Pilot Seat Kit, Range A & D (Not A4WOE) 20041144 Pilot Seat 143 Gasket 146 Gasket 1Seat Kit, Pilot, Range A (Not A4WOE) 20200144 Seat, Pilot 1* Diaphragm Kit (200770) 1Seat Kit, Pilot, Range V (Not A4WOE) 20200444 Seat, Pilot 1* Diaphragm Kit (200770) 1Seat Kit, Pilot, Range D (Not A4WOE) 20200344 Seat, Pilot 1* Diaphragm Kit (200771) 1Bolt Package, A4W Bonnet** 20224658 Bolts, 5/16”-18 x 7/8” Lg 8** Not for S, B or D VariationsItem No. Description and Contents Qty. Kit No.Plug Kit, Pilot, A4WOE 20077864 Plug, Pilot 165 O-Ring 166 O-Ring 162 Nut, Retainer 143 Gasket 163 Spring 1Outlet Regulator Kit 20051761 Adapter (A4WOE) 1* Plug Kit, Pilot, A4WOE (200778) 168 Screw, Hex Head 821 Plug, Pipe 1Bolt Package, A4WOE Bonnet 20224768 Bolts, 5/16”- 18 x 1-3/4” Lg. 8Cover Kit, A4WOE69 Cover 170 Gasket 1- S, B or D Variations-Adapter Kit, Series 20056423 Adapter 124 Gasket 225 O-Ring 126 Insert, Seal 121 Plug, Pipe 168 Screw 8Adapter Kit, Seal 20233324 Gasket 125 O-Ring 126 Insert, Seal 1Spacer Kit, Adapt. A2D 202122Spacer, Adapter (not shown) 172 Screw, Hex Hd 430 O-Ring 4Spacer Kit, Adapt. S6A 202123Spacer, Adapter (not shown) 172 Screw, Hex Hd 430 O-Ring 4Tube Kit 20103637A Nut. Solenoid Tube 137B Tube Assembly, Solenoid 138 Gasket 1Bolt/O-Ring Kit 20157430 O-Ring 242 Bolt 4Plunger Kit, Needle (AC Only) 20101938 Gasket 139 Plunger Needle Assembly 1Plunger Kit, Needle (DC Only) 20102138 Gasket 139 Plunger Needle Assembly 1Plunger Seat Kit (AC Only) 20163038 Gasket 139 Plunger Needle Assembly 140 Seat Assembly 1Bolts, A4WD, S, B Bonnet 20224768 Bolts, 5/16”-18 x 1-3/4” Lg. 871 Body, A2D (Not available as a part)Bolt/O-Ring Kit, A2B Pilot 20157272 Bolts 430 C-Rings 2- Packages -Gasket Package/Seal Cap 20240856 Gasket 12Gasket Package/Solenoid Kit 20207838 Gasket 12Stem Packing Package 20247854 Packing 25Plug Package 1/4” NPT 20255221 Plug 5O-Ring Package30 ‘B’-Side, Moduplates; and S6A/A2D/Spacers 12 202424‘S’-Side, Moduplate (Not illustrated) 6 202425