PARTS LIST / PX30X-XXX-XXX-C AIR MOTOR SECTION
oIndicates parts included in 637421 air section service kit shown below and items (70), (144), (175) and (180) shown on page 4.
AIR MOTOR PARTS
Item | Description (size) |
|
| Qty | Part No. | Mtl |
101 | Center Body | (1) | 94028 | [A] | ||
| (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) | 94860 | [C / I] | ||
128 | Set Screw (1/4” - 20 x 1/4”) |
|
| (2) | [SS] | |
o 132 | Gasket |
|
| (1) | 94099 | [B] |
133 | Lockwasher (1/4”) | (3) | [C] | |||
| [SS] | |||||
134 | Screw (M6 x 1 - 6g x 30 mm) |
|
| (4) | 96358 | [SS] |
135 | Valve Housing | (1) | [A] | |||
| (1) | [SS] | ||||
| (1) | [A] | ||||
| (1) | [SS] | ||||
136 | Plug |
|
| (1) | 96335 | [A] |
|
|
| (1) | 96339 | [SS] | |
o 137 | “O” Ring (1/16” x 2” o.d.) |
|
| (1) | [B] | |
o 138 | “U” Cup (3/16” x 1.792” o.d.) |
|
| (1) | 95966 | [B] |
o 139 | “U” Cup (3/16” x |
|
| (1) | [B] | |
140 | Valve Insert |
|
| (1) | 95650 | (Ck) |
141 | Valve Plate |
|
| (1) | 95659 | (Ck) |
so146 | “O” Ring (3/32” x |
| (1) | [B] | ||
so147 | “O” Ring (1/8” x 1/2” o.d.) |
|
| (2) |
| [B] |
|
|
|
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| MATERIAL CODE |
|
|
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[A] | = Aluminum | [D] | = Acetal |
|
|
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[B] | = Nitrile | [I] | = Iron |
|
|
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[Br] = Brass | [Sp] = Santoprene |
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| |||
[C] | = Carbon Steel | [SS] = Stainless Steel |
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| ||
[Ck] = Ceramic | [U] | = Polyurethane |
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AIR MOTOR SECTION SERVICE
Service is divided into two parts - 1. Pilot Valve, 2. Major Valve.
GENERAL REASSEMBLY NOTES:
yAir Motor Section service is continued from Fluid Section repair.
yInspect and replace old parts with new parts as necessary. Look for deep scratches on metallic surfaces, and nicks or cuts in “O” rings.
yTake precautions to prevent cutting “O” rings upon installation.
yLubricate “O” rings with Lubriplate
yDo not
y
ySERVICE TOOLS - To aid in the installation of (168) “O” rings onto the (167) pilot piston, use tool #
PILOT VALVE DISASSEMBLY
1.A light tap on (118) actuator pin 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.
Item | Description (size) | Qty | Part No. | Mtl |
to166 | Track Gasket | (1) | 94026 | [B] |
o 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) | [B] | |
170 | Piston Sleeve | (1) | 94081 | [Br] |
o 171 | “O” Ring (3/32” x | (1) | [B] | |
o 172 | “O” Ring (1/16” x | (1) | [B] | |
o 173 | “O” Ring (1/16” x | (2) | [B] | |
no174 | “O” Ring (1/8” x 1/2” o.d.) | (2) | [B] | |
o 176 | Diaphragm (check valve) | (2) | 94102 | [Sp] |
o 199 | Track Gasket | (1) | 95666 | [B] |
o 200 | Gasket | (1) | 95665 | [B] |
201 | Muffler Kit (includes item 127) | (1) | 67213 |
|
233 | Adapter Plate | (1) | 96336 | [A] |
| (1) | 96338 | [SS] | |
240 | Screw (M6 x 1 - 6g x 16 mm) | (2) | 95991 | [SS] |
o 241 | Track Gasket | (1) | 96344 | [B] |
o 242 | “O” Ring (1/16” x 7/32” o.d.) | (1) | [B] | |
o 243 | “O” Ring (1/8” x 5/8” o.d.) | (1) | [B] | |
o 244 | “O” Ring (1/8” x 7/8” o.d.) | (1) | [B] | |
n o Lubriplate | (1) | 94276 |
| |
| Lubriplate Grease Packets (10) |
| 637308 |
|
nItems included in fluid section service kit, see pages 4 and 5. s Used on models
t Used on models
3.Install new (168) “O” rings and (169) seal - Note the lip direction. Lubricate and replace (167) pilot piston.
4.Reassemble remaining parts. Replace (173 and 174) “O” rings.
MAJOR VALVE DISASSEMBLY
1.Remove (135) valve housing and (233) adapter plate, exposing (132 and 166) 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 to- ward (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) cen- ter body.
7.Assemble (135) valve housing and components to (101) center body, securing with (134) screws.
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