NOTE:Seat options -AXX do not require
item19 “O” ring.
MATERIALCODE
[A] =Aluminum
[B] =Nitrile
[C] =Carbon Steel
[Co] =Copper
[E] =E.P.R.
[SP] =Santoprene
[SS] =Stainless Steel
[T] =PTFE
PM20X-X-X-B02Page 4 of 8
PARTSLIST / PM20X -X-X-B02FLUID SECTIONFLUID SECTION SERVICE KITS (637309-XX)

LKITSINCLUDE: BALLS (See “Ball Options”, refer to -XXin chart below), DIAPHRAGMS (See “Diaphragm Options”, refer to -XX in

chartbelow), and items 19, 70, 144, 175, (listed below) plus 174 and 94276Lubriplate FML-2 grease (page 6).

SEATOPTIONSPM20X-CSS-XXX-B02BALL OPTIONSPM20X-CSS-XXX-B02“21” L“22” (2-1/2”dia.)
-XXX Seat Qty [Mtl] -XXXBall Qty [Mtl]
-AXX 94328-A (4) [SP] -XAX 93358-A (4) [SP]
-SXX 94353 (4) [SS] -XTX 93358-4 (4) [T]
DIAPHRAGM OPTIONS PM20X-CSS-XXX-B02

LSERVICEKIT L“7” L“8” L“19”

-XXX
-XX= (Ball)
-XX= (Diaphragm) Diaphragm Qty [Mtl] Diaphragm Qty [Mtl] Gasket Qty [Mtl]
-XXA 637309-XA 94329-A (2) [SP] ----- --- --- 94356 (4) [E]
-XXT 637309-XT 94355-T (2) [T] 94330-A (2) [SP] Y328-237 (4) [T]
CENTER SECTION PARTOPTIONS PM20X-CSS-XXX-B02

ALUMINUM STAINLESSSTEEL

PM20A-CSS-XXX-B02 PM20S-CSS-XXX-B02

Item Description(size) Qty Part No. [Mtl] PartNo. [Mtl]
5BackupWasher (2) 94357-1 [A] 94357-2 [SS]
68 AirCap (1) 94324-1 [A] 94349-1 [SS]
69 AirCap (1) 94324-2 [A] 94349-2 [SS]
126 PipePlug (1/4 - 18 N.P.T.x 7/16”) (2) ----- --- Y17-51-S [SS]
Ln175 “O” Ring (3/32”x 1-1/16” o.d.) (2) ----- --- Y325-118 [B]
Ln (3/32”x 1” o.d.) (2) Y325-117 [B] ----- ---
181 RollPin (5/32” o.d. x 3/4” long) (4) ----- --- Y178-56-S [SS]
COMMON PARTS
Item Description(size) Qty Part No. [Mtl] Item Description(size) Qty Part No. [Mtl]
1Rod (1) 94358 [C]
6DiaphragmWasher (2) 94357-2 [SS]
9Washer (2) 93065 [SS]
14 Screw(5/8” - 18 x 2-1/2”) (2) Y5 -111-T [SS]
15 FluidCap (2) 95570-1 [SS]
26 Screw(M10x1.5-6gx35mm) (8) 94409-2 [SS]
27 Screw(M10x1.5-6gx45mm) (16) 94990 [SS]
29 Nut(M10x1.5-6g) (16) 94992 [SS]
43 GroundLug (1) 93004 [Co]
60 InletManifold (1) 95508 [SS]
61 OutletManifold (1) 95509 [SS]
Ln70 Gasket (2) 94100 [B]
131 Screw(M10 x 1.5 - 6g x 120 mm) (4) 94531 [C]
Ln144 “U” Cup (3/16” x 1-3/8” o.d.) (2) Y186-51 [B]
n180 Washer(0.406” i.d. x 0.031” thick) (4) 94098 [Co]
nAirMotor Kit Parts, see page 6.
V“SmartParts” keep these items on hand in addition to the Service Kits for fast repairand reduction of down time.