PARTS LIST / 6662XX±X±C AIR SECTION
n Indicates parts included in
SERVICE KIT NOTE: Service Kit
AIR MOTOR PARTS
ITEM | DESCRIPTION (Size in Inches) | QTY | PART NO. | [MTL] |
| ITEM | DESCRIPTION (Size In Inches) | QTY | PART NO. | [MTL] |
101 | Motor Body (66620X, 22X) | (1) | [A] |
| V115 | Spacer | (4) | 92876 | [Z] | |
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| Motor Body (66621X, 23X) | (1) | [CI] |
| V116 | Spacer | (1) | 92006 | [Z] | |
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V102 | (1) | [B] |
| n117 | Gasket | (1) | 92004 | [B/NY] | ||
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V103 | Sleeve | (1) | [BZ] |
| 118 | Pilot Rod | (1) | [C] | ||
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n104 | Retaining Ring, TruArc (13/16 O.D.) | (2) | [C] |
| n119 | (4) | 93075 | [U] | ||
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105 | Screw/Washer | (8) | 93860 | [C] |
| 120 | Spacer | (3) | 115959 | [Z] |
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| Cap Screw | (8) | [SS] |
| 121 | Sleeve Bushing | (2) | [BZ] | ||
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106 | Lockwasher (1/4) (6662XA,B,C Only) | (8) | [C] |
| n122 | (2) | [B] | |||
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107 | Plate | (2) | [SS] |
| n123 | Screw | (4) | [C] | ||
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n108 | Gasket (With Notch) | (1) | 92878 | [B/NY] |
| 126 | Pipe Plug (1/2) | (1) | [SS] | |
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V109 | Piston | (1) | 92011 | [D] |
| 127 | Elbow | (1) | [C] | |
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n110 | (1) | [B] |
| 128 | Pipe Plug (66620X,22X) (1/8) | (1) | [C] | |||
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V111 | Spool (66620X,22X) | (1) | 92005 | [A] |
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| Pipe Plug (66621X,23X) (1/8) | (1) | [SS] | |
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| Spool (66621X,23X) | (1) | 93047 | [C] |
| 201 | Muffler | (1) | 93139 | [P] |
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V112 | Washer (1.557 O.D.) | (5) | 92877 | [Z] |
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n113 | (5) | [B] |
| n | Keylube, | (1) |
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n114 | (6) | [B] |
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| Keylube |
| 637175 |
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AIR MOTOR SECTION SERVICE
Service is divided into two parts - 1.Pilot Valve, 2.Major Valve.
GENERALREASSEMBLY NOTES:
SAir Motor Section Service is continued from Fluid Section repair.
SInspect and replace old parts with new parts as necessary. Look for deep scratches on metallic surfaces, and nicks or cuts in ``Orings.
STake precautions to prevent cutting ``Orings upon installation.
SLubricate ``Orings with
SDo not
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PILOT VALVE DISASSEMBLY
1.Remove 104 retaining ring.
2.Remove 123 screws, 122 ``Orings.
3.Remove 118 piston rod, 121 sleeve bushing, 119 ``Orings, and 120 spacers from the 101 motor body.
4.Remove 103 sleeve and 102 ``Oring.
PILOT VALVE REASSEMBLY
1.Replace 102 ``Oring if worn or damaged and reinstall 103 sleeve.
2.Install one of the 121 sleeve bushings, 119 ``Orings, 120 spacers, and the remaining 121 bushing.
3.Carefully push 118 pilot rod into bushings etc. and retain on each end with the two 122 ``Orings, retain with 123 screws.
4.Replace 104 retaining rings.
MATERIAL CODE
[A] = Aluminum | [N] = Neoprene |
[B] = Buna ~N | [NY]=Nylon |
[BZ]=Bronze | [P] = Polypropylene |
[C] = Carbon Steel | [SS]=Stainless Steel |
[CI] = Cast Iron | [U] = Polyurethane |
[D] = Acetal | [Z] = Zinc |
MAJOR VALVE DISASSEMBLY
1.Remove 107 plate or leg depending on model, 108 and 117 gaskets.
2.On the side opposite the air inlet, push on the inner diameter 111 spool. This will force the 109 piston out. Continue pushing the 111 spool and remove. Check for scratches and gouges.
3.Reach into the air section exhaust side and remove 116 spacer, 115 spacers, 113 ``Orings, 114 ``Orings, 112 washers, etc. Check for damaged ``Orings.
MAJOR VALVE REASSEMBLY
1.Replace 112 washer, 114 ``Oring, 113 ``Oring onto 115 spacer and insert etc.
NOTE: Be careful to orient spacer legs away from blocking internal ports.
2.Lubricate and carefully insert 111 spool.
3.Install 117 gasket and 107.
4.Lubricate and install 110 packing cup and insert 109 piston into air inlet side cavity, the 110 packing cup lips should point outD ward.
5.Install 108 gasket and replace 107.
V``Smart Parts Keep these items on hand in addition to the Service Kits for fast repair and reduction of down time.
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