Top Gear Function
该功能始终都是启用状态。 该功能用于限制机器的最高行驶速度。 ECM 阻止升档到任何高于最高档位的档位。 最高档位数值存储于 ECM 中。 最高档位数值可以使用 ET 或 ECAP 编程。 对于特定机型，出厂时已将最高档位数值编程设定在最高档位最大值上。
数值范围如下所列。
-
771D
- 出厂设置 ... 6
- 范围 ... 3 到 6
-
769D、 773D、 775D、 776D 和 777D
- 出厂设置 ... 7
- 范围 ... 3 到 7
Caterpillar Information System:
561M Pipelayer Fuel System Secondary Filter - Replace
D250E Series II and D300E Series II Articulated Trucks Machine Systems Front Suspension Arm - Remove
773D Off-Highway Truck and 775D Quarry Truck Power Train Transmission Hydraulic Control - Test
69D, 769D, 773D, 773E, 776D and 777D Off-Highway Trucks and 771D, 775D and 775E Quarry Trucks Power Train Electronic Control System General Information
IT14G Integrated Toolcarrier and 914G Wheel Loader Power Train Differential
554 Forwarder and 574 Forwarder Log Loader Extendable Stick - Lubricate
69D and 769D Off-Highway Truck/Tractors and 771D Quarry Truck Power Train Transmission Hydraulic Control - Test
554 Forwarder and 574 Forwarder Oil Filter (Power Train Tank Fill) - Replace
793C and 793C XQ Off-Highway Truck Air System and Brakes Pressure Protection Valve (Brake Air System)
69D and 769D Off-Highway Truck/Tractors and 771D Quarry Truck Power Train Transfer Gear End Play - Adjust
IT14G Integrated Toolcarrier and 914G Wheel Loader Power Train Fixed Axle and Oscillating Axle
D250E Series II and D300E Series II Articulated Trucks Machine Systems Fuel Tank - Remove
69D, 769D, 773D, 773E, 776D and 777D Off-Highway Trucks and 771D, 775D and 775E Quarry Trucks Power Train Electronic Control System System Schematic
784C and 785C Off-Highway Trucks Machine Systems Air/Hydraulic Cylinder (Brake) - Disassemble
769D Off-Highway Truck and 771D Quarry Truck Front Wheel Oil Level - Check
IT14G Integrated Toolcarrier Maintenance Interval Schedule
561M Pipelayer Fuel System Water Separator - Drain
554 Forwarder and 574 Forwarder Log Loader Extendable Stick Chain Tension - Check - 8.7 m (29 ft) Reach and 10 m (33 ft) Reach
D250E Series II and D300E Series II Articulated Trucks Machine Systems Front Suspension Arm - Install
69D and 769D Off-Highway Trucks and 771D Quarry Truck Steering System Pressure Reducing Valve (Steering) - Test
554 Forwarder and 574 Forwarder Log Loader Extendable Stick Chain - Clean - 8.7 m (29 ft) Reach and 10 m (33 ft) Reach
554 Forwarder and 574 Forwarder Log Loader Extendable Stick Chain - Lubricate - 8.7 m (29 ft) Reach and 10 m (33 ft) Reach
69D, 769D, 773D, 773E, 776D and 777D Off-Highway Trucks and 771D, 775D and 775E Quarry Trucks Power Train Electronic Control System Tattletale Function
69D and 769D Off-Highway Truck/Tractors and 771D Quarry Truck Power Train Transmission Hydraulic Control Clutch Pressure - Test