SkyTrak 8042 Service Manual - Manual (Page 842)

10.1 Model 8042, 10042, 10054 Legacy Rev. 10/03
Section 10
Stabil-TRAK™ System and Boom Interlock System
Contents
PARAGRAPH TITLE PAGE
10.1 Stabil-TRAK™ System Component Terminology. . . . . . . . . . . . . . . . . . . . . . . . . 10.3
10.2 Boom Extend Interlock System Component Terminology (10054 Only) . . . . . . 10.4
10.3 Stabil-TRAK™ Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.5
10.4 Stabil-TRAK™ Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.6
10.4.1 Understanding the Stabil-TRAK™ System . . . . . . . . . . . . . . . . . . . . . . . . 10.6
10.4.2 Stabil-TRAK™ Solenoid Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.9
10.4.3 Logic Wiring Harness (10054 Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.10
10.4.4 Relay Testing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.10
10.4.5 Outrigger Pressure Switches (10054 Only) . . . . . . . . . . . . . . . . . . . . . . . 10.12
10.5 Boom Extend Interlock System Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.14
10.6 Boom Extend Interlock System Operation (10054 Only) . . . . . . . . . . . . . . . . . . . 10.15
10.6.1
Extend Interlock Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.15
10.6.2 Outrigger Interlock Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.15
10.7 Stabil-TRAK™ Electrical Circuit Operation and Troubleshooting (8042/10042) . 10.16
10.8 Stabil-TRAK™ System Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.20
10.8.1
Stabil-TRAK™ System Test Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . 10.20
10.8.2 Stabil-TRAK™ System Test Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . 10.20
10.9 Stabil-TRAK™ Boom Interlock Electrical Circuit Operation and Troubleshooting
(10054, 13198-17984). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.23
10.10 Stabil-TRAK™ Boom Interlock Electrical Circuit Operation and Troubleshooting
(10054, 17985-19987 and 0160002332 & After) . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.29
10.11 Boom/Outrigger Interlock System Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.34
10.11.1
System Test Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.34
10.12 Stabil-TRAK™ Hydraulic Circuit Operation and Troubleshooting . . . . . . . . . . . 10.36
10.12.1
Troubleshooting Symptom Chart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.36
10.12.2 Stabil-TRAK™ Cylinder Oil Flow. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.37
10.12.3 Hydraulic Circuit Operation - FREE PIVOT Mode, Rod Oil Out . . . . . . . . 10.38
10.12.4 Hydraulic Troubleshooting - FREE PIVOT Mode, Rod Oil Out . . . . . . . . . 10.39
10.12.5 Hydraulic Circuit Operation - FREE PIVOT Mode, Base Oil Out. . . . . . . . 10.40
10.12.6 Hydraulic Troubleshooting - FREE PIVOT Mode, Base Oil Out . . . . . . . . 10.41
10.12.7 Hydraulic Circuit Operation - SLOW PIVOT Mode, Rod Oil Out . . . . . . . . 10.42
10.12.8 Hydraulic Troubleshooting - SLOW PIVOT Mode, Rod Oil Out . . . . . . . . . 10.43
10.12.9 Hydraulic Circuit Operation - SLOW PIVOT Mode, Base Oil Out . . . . . . . 10.44
10.12.10 Hydraulic Troubleshooting - SLOW PIVOT Mode, Base Oil Out . . . . . . . . 10.45
10.12.11 Hydraulic Circuit Operation - LOCKED MODE . . . . . . . . . . . . . . . . . . . . . 10.46
10.12.12 Hydraulic Circuit Operation - LOCKED MODE, Frame Sway Right . . . . . 10.46
10.12.13 Hydraulic Troubleshooting - LOCKED MODE, Will Not Frame Sway Right 10.47
10.12.14 Hydraulic Circuit Operation - LOCKED MODE, Frame Sway Left. . . . . . . 10.48