ARO PM20 Series Operator's Manual - Page 5

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ARO PM20 Series Operator's Manual
FLUID SECTION SERVICE KITS (637309-XXX or 637309-XX)
 For Fluid Kits With Seats:
637309-XXX Fluid Section Service Kits include: Seats (see SEAT Option, refer to -XXX in chart below), Balls (see BALL Option, refer to -XXX in chart below), Dia-
phragms (see DIAPHRAGM Option, refer to -XXX in chart below), and items: 19, 70, 144, 175, (listed below) plus 174 and 94276 Lubriplate FML-2 grease (page 7).
 For Fluid Kits Without Seats:
637309-XX Fluid Section Service Kits include: Balls (see BALL Option, refer to -XX in chart below), Diaphragms (see DIAPHRAGM Option, refer to -XX in chart below),
and items: 19, 70, 144, 175, (listed below) plus 174 and 94276 Lubriplate FML-2 grease (page 7).
SEAT OPTIONS
PM20X-CSS-XXX-BXX
"21"
-XXX Seat
Qty
[Mtl]
-MXX 94328-M
(4)
[MSP]
-SXX 94353
(4)
[SS]
NOTE: Seat options -MXX donot require SEAT OPTIONS item 19 "O" ring.
 Service Kit
with seats
-XXX = (Seats)
-XXX = (Ball)
-XXX
-XXX = (Diaphragm)
-XXL
637309-XXL
-XXM 637309-XXM
-XXT 637309-XXT
CENTER SECTION PART OPTIONS PM20X-CSS-XXX-BXX
Item Description
(size)
5 Backup Washer
68 Air Cap
69 Air Cap
"O" Ring
(3/32" x 1" OD)

175
(3/32" x 1-1/16" OD)
181 Roll Pin
(5/32" OD x 3/4" long)
Item
Description (size)
1 Rod
6 Diaphragm Washer
9 Washer
14 Screw
(5/8" - 18 x 2-1/2")
15 Fluid Cap
26 Screw
(M10 x 1.5 - 6g x 35 mm)
27 Screw
(M10 x 1.5 - 6g x 45 mm)
29 Nut
(M10 x 1.5 - 6g)
43 Ground Lug
 "Smart Parts", keep these items on hand in addition to the Service Kits for fast repair and reduction of down time.
Air Motor Kit parts, see pages 7.
PM20X-X-X-BXX (en)
PARTS LIST / PM20X-X-X-BXX FLUID SECTION
BALL OPTIONS
PM20X-CSS-XXX-BXX
 "22"
(2-1/2" diameter)
-XXX Ball
Qty
-XMX 93358-M
(4)
-XTX 93358-4
(4)
DIAPHRAGM OPTIONS PM20X-CSS-XXX-BXX
 Service Kit
without seats
-XX = (Ball)
-XX = (Diaphragm) Diaphragm Qty [Mtl] Diaphragm
637309-XL
94355-L
637309-XM
94329-M
637309-XT
94355-T
ALUMINUM
PM20A-CSS-XXX-BXX PM20S-CSS-XXX-BXX
Qty Part No.
(2) 96503
(1) 94715-1
(1) 94715-2
(2) Y325-117
(2) -----
(4) -----

COMMON PARTS

Qty Part No.
(1) 97386
(2) 97316
(2) 97318
(2) 97319
(2) 95570-1
(8) 94409-2
(16) 94990
(16) 94992
(1) 93004
[Mtl]
[MSP]
[T]
 "7"
(2)
[L]
94330-A
(2) [MSP] -----
(2)
[T]
94330-A
Stainless Steel
[Mtl] Part No.
[Mtl]
[A]
94357-2
[SS]
[A]
94349-1
[SS]
[A]
94349-2
[SS]
[B]
-----
---
---
Y325-118
[B]
---
Y178-56-S
[SS]
[Mtl]
Item
Description (size)
[C]
60 Inlet Manifold
[SS]
61 Outlet Manifold
[SS]
  70 Gasket
[SS]
Screw
(M10 x 1.5 - 6g x 120 mm)
[SS]
131
(PM 20A)
[SS]
(PM20S)
[SS]
  144 "U" Cup
[SS]
 180 Washer
[Co]
 "8"
 "19"
Qty
[Mtl] "O" Ring
(2)
[SP] Y328-237
---
---
Y328-237
(2)
[SP] Y328-237
MATERIAL CODE
[A]
[B]
[C]
[Co]
[L]
[MSp] = Medical Grade
[SP]
[SS]
[T]
Qty Part No.
(1) 95508
(1) 95509
(2)
94100
94531
(4)
96656
(2)
Y186-51
(3/16" x 1-3/8" OD)
(4)
94098
(0.406" ID x 0.031" thick)
Qty [Mtl]
(4)
[T]
(4)
[T]
(4)
[T]
= Aluminum
= Nitrile
= Carbon Steel
= Copper
= Long Life PTFE
Santoprene
= Santoprene
= Stainless Steel
= PTFE
[Mtl]
[SS]
[SS]
[B]
[C]
[SS]
[B]
[Co]
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