Aimco Brakes Pulse Tool AlphaT42 T62 Large Alpha AlphaT Air Motor Repair Manual

PO 
Box  16460,  Portland, OR  97292-0460   503-254-6600   Fax  503-255-2615   ALPHA - T 42   ~   T62 &  4 5   ~   61 and  
Larger ALPHA & ALPHA - T  
Air Motor, Shut - off Section, and  
Angle Head  Repair Manual  
www.aimco-global.com 

Contents  
Page  
Number  
1. Tools Needed for Repair 1  
2. Air Motor Repair Fixtures 2 - 3  
3. Disassembly and Reassembly of the Air Motor Se ction
 ALPHA - 45 ~ 61  &   ALPHA - T42 ~ T62  -   Straight & Pistol Handle 4  
 Exploded View of the Air Motor :   ALPHA - 45 ~ 61 & T42 ~ T62 5  
 ALPHA  &   ALPHA - T Pistol Grip Handles 6  
 Exploded View of the Air Motor :   ALPHA - 70 ~ 180 & T70 ~ T140 7  
4. Disassembly and Reassembl y of the Shut - off Section
 ALPHA - T42S ~ T47S & ALPHA - T42 ~...

Tools Needed for Repair  
1. One   Set T - handle Metric Allen Wrenches
2. Flat - Blade d Screwdrivers
3. 10 oz. Ball Peen Hammer
4. One  Set Pin Punches
5. One  Set O - Ring Picks
6. 6” Adjustable End Wrench
7. 12” Adjustable End Wrench
8. Medium Pair Channel Locks or Adjustable Jaw Pliers
9. Medium Honing Stone
10. 220 Grit Wet/Dry Sandp aper
11. Lap Plate
12. Loc - Tit e #242
13. CFC Free Degreaser/ Cleanser
14. Loc - Tite Accelerator
15. Arbor Press
16. Two  Torque Wrenches :    0 - 200 ft. lbs....

Air Motor Repair Fixtures  
Fixtures   f or Disassembly &  Rea ssembly of Casing Connector  
Part  
Number   Tools Used With  
161 - 036 - 6 - 5 ALPHA - 50(S)D   ALPHA - 60(S)D   ALPHA - 60(S)D  
177 - 036 - 6 - 5 ALPHA - 60  
ALPHA - 61   ALPHA - T45   ALPHA - T50   ALPHA - 45  
ALPHA - 50  
Fixtures   f or Removal of Ball Bearing for Cylinder Rear Plate  
Part  
Number   Tools Used With  
982 - 401 - 0 - 2 ALPHA - 45   ALPHA - 50   ALPHA - 60  
ALPHA - 61   ALPHA - T42  
ALPHA - T52  
ALPH A - T62...

Air Motor Repair Fixtures  (cont.)
Fixtures   f or Pressing  i n  of   Ball Bearing  f or Cylinder Front Plate  
Part  
Number   Tools Used With  
982 - 402 - 0 - 1 ALPHA - 45(A)  
ALPHA - 50  
ALPHA - 61   ALPHA - T42  
ALPHA - T47  
ALPHA - T52  
ALPHA - T62  
982 - 903 - 0 - 1 ALPHA - T70(S)(C)   ALPHA - T70(CH)  
982 - 950 - 0 - 1 ALPHA - T80  
ALPHA - T90  
982 - 906 - 0 - 1 ALPHA - T140   ALPHA - 180  
982 - 951 - 0 - 1 ALPHA - T100   

Disassembly and Reassembly of the Air Motor Section  
ALPHA  &   ALPHA - T  
1. ALPHA - 45 ~ 61 and ALPHA - T42 ~ T62  -   Straight & Pistol Handle
A. Disassembly
1. Remove Front Casing and Pulse Unit.
2. Remove Casing Connector if  it is  on the model you are working on.
3. Take a hold of the Rotor and  pull the whole Air Motor from the Handl e.
4. Remove the Front Plate.
5. Remove the Front Plate Bearing from the Front Plate.
6. Remove the Cylinder.
7. Remove the Blades.
8. Press Rotor out of Bearing...

Exploded View of the Air Motor  
ALPHA - 45 ~ 61 & T42  ~   T62  
Part  
Number   Description   Part  
Number   Description  
1  
2  
3  
4  
5  
6  
7  
8   Casing Connector  
Front Plate Bearing  
Front Plate  
Blades  
Rotor  
Roll Pi n  
Cylinder  
Roll Pin   9  
10  
11  
12  
13  
14  
15   Rear Plate  
Rear Plate Bearing  
O - Ring  
Handle Casing  
Nylon Ball  
Roll Pin  
Nylon Ball    

Disassembly and Reassembly of the Air Motor Section   (cont.)  
2. ALPHA  &   ALPHA - T Pistol Grip Handles
A. Disassembly
1. Remove   the   Front Casing and Pulse Unit.  O n the  T - Series, remove the Spacer and P iston  Rod.
2. Remove the Hea d Cover and Head Cover Packing.
3. Hand Press the Air Motor out of the Casing.
4. Remove the Front Plate and the Front Plate Bearing.
5. Remove the C ylinder and Blades from the Rotor.
6. Press the Rotor out of the Rear Plate Bearing  and away from the Rear...

Exploded View of the Air Motor
ALPHA - 70 ~ 180 & T70  ~   T140  
Part  
Number   Description   Part  
Number   Description  
1  
2  
3  
4  
5  
6  
7   O - Ring  
Front Plate Bearing  
Front Plate  
Cylinder  
Roll Pin  
Rear Plate Bearing  
Head Cover Packing   8  
9  
10  
11  
1 2  
13   Handle Casing  
Rotor  
Blades  
Rear Plate  
Roll Pin  
Head Cover