Electrical Schematic
下列示意图是行驶系统的简化图。 这些示意图的电气部分都是正确的。 这些示意图没有显示所有可能的线束接头。 请参阅维修手册中的“电气系统示意图”了解特定机器的准确示意图。
空档起动电路电气示意图
Show/hide table
 | |
| 图 1 | g01018890 |
(1) 开关 - 钥匙起动 (2) 开关 - 空档起动 (3) 继电器 - 空档起动 | |
制动电路电气示意图
Show/hide table
 | |
| 图 2 | g01018891 |
(2) 开关 - 空档起动 (4) 继电器 - 空档起动 (P9) (5) 继电器 - 制动 (P7) (6) 继电器 - 制动 (P6) (7) 电磁阀 - 轮轴互锁 (8) 开关 - 制动 (9) 电磁阀 - 钢轮互锁/制动释放 | |
行驶电路电气示意图
Show/hide table
 | |
| 图 3 | g01018893 |
(10) 开关 - 行驶范围 (11) 电磁阀 - 换档阀 | |
Caterpillar Information System:
769D Off-Highway Truck and 771D Quarry Truck Operator Controls
769D Off-Highway Truck/Tractor and 771D Quarry Truck Operator Controls
C4.4 Industrial Engine Increased Engine Oil Temperature - Inspect
2003/07/21 Improved 159-1610 and 159-1612 Electronic Transmission Control Groups Now Available for Wheel Loaders {4800}
120H and 135H Motor Graders Machine Systems Piston Pump (Hydraulic Fan) - Install
120H and 135H Motor Graders Machine Systems Piston Pump (Hydraulic Fan) - Remove
R1600G Load Haul Dump Hydraulic System Oil Filter - Replace
R1600G Load Haul Dump Hydraulic System Oil - Change
R1600G Load Haul Dump Hydraulic System Ride Control Accumulator - Test and Charge
R1600G Load Haul Dump Hydraulic System Relief Valve (Lift Circuit) - Test and Adjust
Load Haul Dump Braking System Service and Parking Brake
R1600G Load Haul Dump Hydraulic System Relief Valve (Lift Circuit)
2003/10/20 New Supports for the Fender Are Available {7252}
769D Off-Highway Truck and 771D Quarry Truck Operation Information
R1600G Load Haul Dump Hydraulic System Oil Level - Check
Load Haul Dump Braking System Relief Valve (Brake Accumulator)
R1600G Load Haul Dump Ride Control Accumulator - Check - If Equipped
R1600G Load Haul Dump Brake Release - If Equipped
120H and 135H Motor Graders Machine Systems Piston Pump (Hydraulic and Steering) - Remove
120H and 135H Motor Graders Machine Systems Piston Pump (Hydraulic and Steering) - Install
M325D MH Material Handler Window Washer Reservoir - Fill
2003/08/04 The Nameplate Is Now Bolted to the Grill {7251, 7557}
2003/09/15 An Improved Alternator Belt is Used {1357}
2003/10/01 An Improved Alternator Belt is Used {1357}