Description
Atlas Copco ST14 Scooptram Service, Operators, Maintenance Manual & Diagrams and Drawings
Atlas Copco ST14 Scooptram Index:
Safe
Preventive Maintenance
Power Unit
Power Train
Main Frame
Hydraulic systems
Electrical System
Control system
Vehicle Specification
Component manufacturers
Service Assistance .
Troubleshooting Symptoms .
Maintenence Specifications
Warranty
Back
1. SAFETY PRECAUTIONS
2. CLEANING, INSPECTION AND LEGEND SYMBOLS
2.1 CLEANING ……………………………………………………………………………………………………………… 2-1
2.1.1 Bearings …………………………………………………………………………………………………………. 2-1
2.1.2 Housings ………………………………………………………………………………………………………… 2-1
2.2 INSPECTION …………………………………………………………………………………………………………… 2-1
2.2.1 Bearings …………………………………………………………………………………………………………. 2-1
2.2.2 Oil Seals, Gaskets, Etc. ……………………………………………………………………………………. 2-2
2.2.3 Gears and Shafts …………………………………………………………………………………………….. 2-2
2.2.4 Housing, Covers, etc. ……………………………………………………………………………………….. 2-2
2.3 LEGEND SYMBOLS…………………………………………………………………………………………………. 2-2
3. TECHNICAL SPECIFICATIONS
3.1 IDENTIFICATION OF THE UNIT ………………………………………………………………………………… 3-1
3.2 WEIGHT, DIMENSIONS, OIL CAPACITY …………………………………………………………………….. 3-1
3.3 TIGHTENING TORQUES ………………………………………………………………………………………….. 3-2
3.3.1 Torque specifications for lubricated or plated screw threads ………………………………….. 3-2
3.3.2 Elastic stop nut torque ………………………………………………………………………………………. 3-2
3.3.3 “O”-ring ports plug torque ………………………………………………………………………………….. 3-3
3.3.4 Pipe plug torque ………………………………………………………………………………………………. 3-3
3.3.5 Suction screen torque ………………………………………………………………………………………. 3-3
3.3.6 Solenoid and solenoid cartridge torque ………………………………………………………………. 3-3
3.4 PRESSURE AND TEMPERATURE SPECIFICATIONS …………………………………………………. 3-4
3.5 ELECTRICAL SPECIFICATIONS ……………………………………………………………………………….. 3-5
3.6 HYDRAULIC COOLER AND FILTER LINE SPECIFICATIONS ……………………………………….. 3-5
4. MAINTENANCE
4.1 OIL SPECIFICATION ……………………………………………………………………………………………….. 4-1
4.1.1 Recommended lubricants …………………………………………………………………………………. 4-1
4.2 MAINTENANCE INTERVALS …………………………………………………………………………………….. 4-2
4.2.1 Daily ………………………………………………………………………………………………………………. 4-2
4.2.2 Normal drain period …………………………………………………………………………………………. 4-2
4.3 SERVICING MACHINE AFTER COMPONENTS OVERHAUL………………………………………… 4-3
5. INSTALLATION DETAILS
5.1 CONVERTER DRIVE COUPLING………………………………………………………………………………. 5-1
5.2 TRANSMISSION TO ENGINE INSTALLATION PROCEDURE ……………………………………….. 5-2
5.3 EXTERNAL PLUMBING ……………………………………………………………………………………………. 5-3
5.3.1 Cooler lines specifications…………………………………………………………………………………. 5-3
T40000 LD 03/98 I-ii
6. OPERATION OF THE TRANSMISSION
6.1 THE TRANSMISSION ASSEMBLY …………………………………………………………………………….. 6-1
6.1.1 The converter, pump drive section and pressure regulating valve …………………………… 6-2
6.1.2 The input shaft and directional clutches ………………………………………………………………. 6-3
6.1.3 The range clutches …………………………………………………………………………………………… 6-4
6.1.4 The output section……………………………………………………………………………………………. 6-4
6.1.5 The transmission controls (refer to hydraulic diagram) ………………………………………….. 6-5
6.2 ELECTRIC SOLENOID CONTROLS ………………………………………………………………………….. 6-6
6.3 POWER FLOWS, ACTIVATED SOLENOIDS, SPOOLS AND HYDRAULIC CIRCUIT ………… 6-7
6.3.1 Neutral and 4th clutch engaged …………………………………………………………………………. 6-7
6.3.2 Forward 1st speed …………………………………………………………………………………………… 6-9
6.3.3 Forward 2nd speed ………………………………………………………………………………………… 6-11
6.3.4 Forward 3rd speed …………………………………………………………………………………………. 6-13
6.3.5 Forward 4th speed …………………………………………………………………………………………. 6-15
6.3.6 Reverse 1st speed …………………………………………………………………………………………. 6-17
6.4 GEAR AND CLUTCH LAYOUT…………………………………………………………………………………. 6-19
7. TROUBLESHOOTING GUIDE FOR THE T40000 TRANSMISSION
7.1 T40000 TRANSMISSION ………………………………………………………………………………………….. 7-1
7.2 TROUBLESHOOTING PROCEDURES ………………………………………………………………………. 7-1
7.2.1 Stall Test …………………………………………………………………………………………………………. 7-1
7.2.2 Transmission pressure checks …………………………………………………………………………… 7-2
7.2.3 Mechanical and electrical checks……………………………………………………………………….. 7-2
7.2.4 Hydraulic checks ……………………………………………………………………………………………… 7-2
7.3 TROUBLESHOOTING GUIDE …………………………………………………………………………………… 7-3
7.3.1 Low clutch pressure …………………………………………………………………………………………. 7-3
7.3.2 Low charging pump output ………………………………………………………………………………… 7-3
7.3.3 Overheating …………………………………………………………………………………………………….. 7-3
7.3.4 Noisy converter ……………………………………………………………………………………………….. 7-3
7.3.5 Lack of power ………………………………………………………………………………………………….. 7-3
7.4 CHECK POINTS ………………………………………………………………………………………………………. 7-4
7.5 ELECTRICAL WIRING ……………………………………………………………………………………………… 7-7
8. SECTIONAL VIEWS AND PARTS IDENTIFICATION
GROUP – CONVERTER HOUSING …………………………………………………………………………………… 8-2
GROUP – TRANSMISSION CASE AND REAR COVER ……………………………………………………….. 8-4
GROUP – TURBINE SHAFT, STATOR SUPPORT & OIL BAFFLE ………………………………………….. 8-8
GROUP – WHEEL ………………………………………………………………………………………………………….. 8-10
GROUP – DRIVE PLATE…………………………………………………………………………………………………. 8-12
GROUP – PUMP DRIVE …………………………………………………………………………………………………. 8-14
GROUP – FORWARD CLUTCH SHAFT ……………………………………………………………………………. 8-16
GROUP – 3RD SPEED CLUTCH SHAFT ………………………………………………………………………….. 8-18
GROUP – REVERSE AND 2ND CLUTCH SHAFT ……………………………………………………………… 8-20
GROUP – LOW (1ST) SPEED CLUTCH SHAFT ………………………………………………………………… 8-22
GROUP – 4TH SPEED CLUTCH SHAFT ………………………………………………………………………….. 8-24
GROUP – IDLER SHAFT ………………………………………………………………………………………………… 8-26
GROUP – OUTPUT SHAFT …………………………………………………………………………………………….. 8-28
GROUP – PRESSURE REGULATING VALVE & CHARGING PUMP …………………………………….. 8-30
GROUP – ELECTRIC CONTROL VALVE…………………………………………………………………………… 8-32
9. ASSEMBLY INSTRUCTIONS
9.1 LOW (1ST) CLUTCH TAPER BEARING ADJUSTMENT ……………………………………………….. 9-4
9.1.1 General bearing installation procedure ……………………………………………………………….. 9-4
9.1.2 Taper bearing adjustment …………………………………………………………………………………. 9-4
9.2 LOW 1ST CLUTCH TAPER BEARING ADJUSTMENT PLOTTING CHARTS …………………… 9-7
9.3 CONTROL VALVE BOLT TIGHTENING SEQUENCE DIAGRAM…………………………………….. 9-8
9.4 SPEED SENSOR BUSHING INSTALLATION ………………………………………………………………. 9-8
10. DISASSEMBLY AND REASSEMBLY OF THE T40000 TRANSMISSION
11. OPTIONS
11.1 MHR SECTION………………………………………………………………………………………………………. 11-1
11.1.1 Sectional views and parts identification ……………………………………………………………. 11-1
11.1.2 MHR Assembly instructions ……………………………………………………………………………. 11-4
11.1.3 Disassembly MHR Section …………………………………………………………………………….. 11-5
11.1.4 Reassembly MHR Section ……………………………………………………………………………… 11-7 AND MORE
