Allison Transmission HT HTB CLT CLBT 700 Series Electronic Control Transmision Mechanic’s Tips Manual – PDF DOWNLOAD
DESCRIPTION:
Allison Transmission HT HTB CLT CLBT 700 Series Electronic Control Transmision Mechanic’s Tips Manual – PDF DOWNLOAD
PREFACE :
- This handbook is a mechanic’s reference for removing, installing, and maintaining
the HT, HTB, CL(B)T 700 Commercial Electronic Control Series Automatic
Transmissions. All features of the transmission and vehicle involved in installation
procedures are discussed. - The information presented will help the mechanic to
remove, install, and maintain the transmission in a manner that assures satisfactory
operation and long service life. - For additional detailed information, refer to HT, HTB
700 Electronic Control Series Service Manual SM2004EN or CL(B)T 700 Series
Service Manual SM1314EN and CL(B)T 755 Electronic Control Series Service
Manual Supplement SM1992EN. Troubleshooting the electronic control system is
presented in Troubleshooting Manual TS2712EN.
TABLE OF CONTENTS:
Allison Transmission HT HTB CLT CLBT 700 Series Electronic Control Transmision Mechanic’s Tips Manual – PDF DOWNLOAD
SECTION I PREVENTIVE MAINTENANCE
1–1. Periodic Inspection and Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1–2. Importance of Proper Transmission Fluid Level . . . . . . . . . . . . 1
1–3. Transmission Fluid Check Procedures. . . . . . . . . . . . . . . . . . . . 2
1–4. Keeping Transmission Fluid Clean . . . . . . . . . . . . . . . . . . . . . . 5
1–5. Automatic Transmission Fluid Recommendations . . . . . . . . . . 5
1–6. Transmission Fluid and Filter Change Intervals . . . . . . . . . . . . 6
1–7. Fluid Temperatures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1–8. High-Efficiency, Main-Pressure External Filter Change . . . . . . 8
1–9. Transmission Fluid Contamination . . . . . . . . . . . . . . . . . . . . . . 8
1–10. Transmission Fluid and Filter Change Procedure . . . . . . . . . . . 9
1–11. Auxiliary Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1–12. Breather . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1–13. Transmission Stall Test and Neutral Cool-Down Check . . . . . . 10
SECTION II REMOVING TRANSMISSION FROM VEHICLE
2–1. Draining Transmission. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2–2. Disconnecting Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2–3. Uncoupling From Driveline, Engine, and Vehicle. . . . . . . . . . . 14
2–4. Removing the Transmission. . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2–5. Removing Input and Output Flanges or Yokes . . . . . . . . . . . . . 14
2–6. Rebuild, Overhaul Instructions . . . . . . . . . . . . . . . . . . . . . . . . . 15
SECTION III PREPARING THE TRANSMISSION
FOR INSTALLATION
3–1. Checking Input Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3–2. Installing Output Flange and Input Flange
(Remote-Mounted Transmission) . . . . . . . . . . . . . . . . . . . . . . . 16
3–3. Installing PTO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3–4. Installing Transmission Fill Tube and Seal . . . . . . . . . . . . . . . . 18
3–5. Checking Plugs, Openings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
iv
Paragraph Description Page
SECTION IV PREPARING VEHICLE FOR TRANSMISSION
INSTALLATION
4–1. Engine, Transmission Adaptation Requirements. . . . . . . . . . . . 19
4–2. Checking Flexplate Drive Assembly . . . . . . . . . . . . . . . . . . . . . 20
4–3. Checking Input Drive Components
(Remote-Mounted Transmissions). . . . . . . . . . . . . . . . . . . . . . . 20
4–4. Chassis and Driveline Inspection . . . . . . . . . . . . . . . . . . . . . . . . 22
4–5. Cooler, Filter, and Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4–6. Checking Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
SECTION V INSTALLING TRANSMISSION INTO VEHICLE
5–1. Handling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5–2. Mounting to Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5–3. Installing Transmission Mounting Components . . . . . . . . . . . . 28
5–4. Coupling to Driveline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
5–5. Coupling to Engine (Remote-Mounted Transmission) . . . . . . . 28
5–6. Connecting Input Retarder Control . . . . . . . . . . . . . . . . . . . . . . 29
5–7. Connecting Output Retarder Control . . . . . . . . . . . . . . . . . . . . . 29
5–8. Connecting Power Takeoff Controls . . . . . . . . . . . . . . . . . . . . . 29
5–9. Connecting Parking Brake Control . . . . . . . . . . . . . . . . . . . . . . 30
5–10. Connecting Cooler, Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5–11. Installing Auxiliary Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5–12. Connecting Speedometer Drive . . . . . . . . . . . . . . . . . . . . . . . . . 30
5–13. Installing Temperature and Pressure Sensors,
Connecting Electrical Components . . . . . . . . . . . . . . . . . . . . . . 32
5–14. Filling the Hydraulic System . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
SECTION VI CHECKS AND ADJUSTMENTS
6–1. Installation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
6–2. Road Test and Vehicle Operation Checklist . . . . . . . . . . . . . . . 35
SECTION VII CUSTOMER SERVICE
7–1. Owner Assistance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
7–2. Service Literature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
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