 |
Call Us 1-407-295-1221 or Email us
|
|
|
Our large inventory of OEM Allison Transmission Parts includes
a large line of new and rebuilt Allison automatic transmissions, and
Allison Automatic transmission cores. All transmission parts can be shipped
the same day in most cases. Call our Sales and Service Departments 1-407-295-1221 or Email
us.
|
Troubleshooting Charts For Allison
Transmissions AT / MT (B) / HT / V
|
The troubleshooting information
contained in the following charts outlines the possible causes
of transmission conditions and their remedies. Several possible
causes are indicated; numbered items indicate suggested remedies
for the causes. For Sales and Service Call America's #1 Supplier
of OEM Allison Transmission Parts and Authorized Allison Dealer;
TransDiesel Toll-Free: 1-800-422-1220,
|
P - CLUTCH(ES) SLIPPING
- HT 700
|
| Condition |
Probable
Causes |
Suggested
Remedies |
| Slipping
in All Forward Ranges |
1.
Refer to Chart F, Probable Causes. |
1.
Refer to Chart F, Items 5 through 10. |
| Slipping
in Reverse Range |
2.
Fourth clutch defective. |
2.
Overhaul clutch and replace piston sealrings. |
| 3.
First clutch defective (HT 740/747, HT 750DR, HT 754CR
and 2nd gear start); low clutch defective (HT 754CR without
2nd gear start). |
3.
Overhaul clutch and replace piston sealrings. |
| 4.
Incorrect or weak trimmer valve spring; trimmer valve
stuck open. |
4.
Inspect trimmer valve and trimmer valve spring for correct
calibration, rebuild valve body. |
| Slipping
in High and Reverse Ranges |
5.
Fourth clutch defective. |
5.
Overhaul clutch and replace piston sealrings. |
| 6.
Incorrect or weak trimmer spring; trimmer valve stuck
open. |
6.
Inspect trimmer valve and trimmer valve spring for correct
calibration, rebuild valve body. |
| Slipping
in Second or Third or Fourth Range (5-Speed) |
10.
Clutch defective for specific range. |
10.
Rebuild specific range clutch and replace piston sealrings
(4th clutch, replace sealrings on center support). |
| Slipping
in Second or Third or Fourth Range (5-Speed) |
11. Incorrect
or weak trimmer valve spring; trimmer valve stuck open. |
11. Inspect
trimmer valve and trimmer valve spring for correct calibration;
rebuild valve body. |
| *NOTE:
If unit is modified for split shaft PTO, all external
circuitry must be removed before troubleshooting. |
|
|
 |
Home | Contact
Us | Site Map
For more information about Detroit Diesel Engines,
New and Used Detroit Diesel Parts, Allison Transmissions, and Allison Transmission
Parts call us at:
TransDiesel of Central Florida
(407) 295-1221 or
email us
|
© TransDiesel of Central Florida 2007
hosted by:
www.inthesuntech.com |
