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

Disassembly and Reassembly of the Shut - off Section  
ALPHA - T42S  ~   T47S & ALPHA - T42  ~   T62  
A. Disassembly of Shut - off Section
1. Remove the Front Casing, Pulse Unit ,   and Air Motor  from   the  tool.
2. On the straight tools ,   remove th e Reverse Lever; on the Pistol Tools, remove the  Valve Plug from the
side of the Handle Casing.
3. On the straight tool ,   remove the Rear Plate Spacer,  Reverse Valve Spacer, Shut - off  Valve Bushing,
Ball, Spring, Sh ut - off Valve, Supporter Ring ,...

Exploded View of the Shut - off Valve Section  
ALPHA - T42S & T47S 
Part  
Number   Description   Part  
Number   Description  
1  
2  
3  
4  
5  
6   Piston Rod O - Ring  
Shut - off Valve Bushing O - Ring  
Shut - off Spring  
Supporter Ring  
Piston Rod  
Ball   7  
8  
9  
10  
11   Spring  
Shut - off Valve Bushing  
Shut - off Ball  
Shut - off Valve  
Handle Casing   

Exploded View of the Shut - off Valve Section   (cont.)  
ALPHA - T42 ~ T62 
Part  
Number   Description   Part  
Number   Description  
1  
2  
3  
4  
5  
6  
7   Valve Plug O - Ring  
Shut - off Valve Bushing  
Shut - off Valve Bushing O - Ring  
Shut - off Valve Bushing O - Ring  
Supporter Ring  
Piston Rod  
Shut - off Valve Ball   8  
9  
10  
11  
12  
13   Shu t - off Valve  
Valve Plug  
Handle Casing  
Piston Rod O - Ring  
Shut - off Valve Spring  
Handle O - Rings   

Disassembly and Reassembly of the Shut - off Section   (cont.)  
ALPHA - T  
A. Disassembly of the Shut - off Section
1. Remove the Shut - off Valve Cover using a 17mm  wre nch and remove the Shut - off  Valve and Spring.
2. Remove the Head Cover and Head Cover Packing.
3. Remove the Piston Rod, Valve Cover, Pilot Valve Retainer, Ball, Spring , and  O - rings.     Some models
have a Packing in the Shut - off Valve Bushing.
B. Inspecti on
1. O - Ring
 Inspect for chipping, tears, and cuts.  If damaged,...

Exploded View of the Shut - off Valve Section  
ALPHA - T70 ~ T140 
Part  
Number   Description   Part  
Number   Description  
1  
2  
3  
4  
5  
6  
7  
8   Piston Rod  
Valve Cover  
Pilot Valve Retainer  
Pilot V alve Ball  
Piston Rod O - Ring  
Pilot Valve O - Ring  
Pilot Valve Spring  
Head Cover Packing   9  
10  
11  
12  
13  
14  
15   Shut - off Valve   
Shut - off Valve Cover O - ring  
Shut - off Valve  
Shut - off Valve O - Ring  
Shut - off Valve Spring  
Shut - off Valve Bushing  
Head...

Repair an d Adjustment of the Angle Head Pulse Tool  
CAUTION :    Read all instructions thoroughly before repairing tool.  
Safety :  
 Disconnect the air supply from
the  tool before repairin g,
adjusting torque, and  changing
sockets or extensions.  Wear eye and hearing
pr otection when using
hammers or power
tools.  Do not wear loose
clothing around power
equipment.
 Dispose of all oil and
grease properly.
A. Disassembly of the Angle Head
1. Remove  the Front Casing Nut and remove the Angle Head...

Exploded View of the Angle Head Section  
ALPHA - 70C, 70CH, T70C & T70CH  
Part  
Number   Description   Part  
Number   Description  
1  
2  
3  
4  
5  
6  
7  
8  
9  
10  
11  
12   Angle Casing Cover  
Angle Casing Cover Fe lt Ring  
Bearing  
Driven Gear Spacer  
Hexagon Round Head Bolt  
Angle Casing  
Angle Casing O - Ring  
Driving Gear  
Adjusting Spacer  
Driving Gear Metal Spacer  
Hammer Casing Nut  
Bearing Setter   13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24   Front Casing...

Recommended Maintenance  
Air Motor & Angle Head Section  
The Air Motor should be cleaned an d inspected every 300, 000 cycles or six months, which ever comes first . 
Replace worn parts as needed.  
The Angle Head Section should be cleaned and inspected every 300, 000 cycles or six months, which ever comes 
first.    Replace worn parts as nee ded.   

Notes:  

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www.aimco - global.com F AX 011 - 52 - 81 - 1001 - 1630
LIT - MAN400  
Rev. 
03/2016  Printed in USA  
©2016 AIMCO