Backup Alarm - Test
确保停车制动器已接合。
将发动机起动开关转至接通位置，进行测试。
确保机器后面无人和障碍物。
接合行车制动器。 移动变速箱方向和速度操纵杆到倒档位置。
倒车警报器应立即鸣响。 倒车警报器应继续发出警报直到变速箱方向和速度控制移至空档位置或前进档位置。
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| 图 1 | g02732418 |
倒车报警器位于机器后面。
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| 图 2 | g01124582 |
位于倒车报警器后部的一个三位开关可用来调整警报器的音量。
为调整音量，移动开关转到要求的设定。 除非工地需要较低音量水平，否则该设置应保持在高音量。
Caterpillar Information System:
R1300G Load Haul Dump Articulation Chassis Cable - Inspect/Replace
R3000H Load Haul Dump Automatic Lubrication Grease Tank - Fill - If Equipped
R3000H Load Haul Dump Automatic Lubrication Filler Filter - Clean - If Equipped
R2900G Load Haul Dump Articulation Chassis Cable - Inspect/Replace
2011/11/01 An Improved Torque Converter Output Shaft Bearing is Now Used on Certain CAT Products {3101, 3127, 7551}
789D and 789D XQ Off-Highway Truck Power Train Final Drive, Brake and Wheel
420F, 428F, 430F, 432F, 434F and 444F Backhoe Loaders MID 039 - CID 0637 - FMI 06
420F, 428F, 430F, 432F, 434F and 444F Backhoe Loaders MID 039 - CID 0629 - FMI 04
420F, 428F, 430F, 432F, 434F and 444F Backhoe Loaders MID 039 - CID 0626 - FMI 02
2011/11/16 A New Horn Relay Is Now Used On Certain Off-Highway Truck/Tractor {1408, 7301}
420F, 428F, 430F, 432F, 434F and 444F Backhoe Loaders MID 039 - CID 0600 - FMI 04
420F, 428F, 430F, 432F, 434F and 444F Backhoe Loaders MID 039 - CID 0600 - FMI 03
R3000H Load Haul Dump Battery Electrolyte Level - Check
R3000H Load Haul Dump Brake Accumulator - Check
R3000H Load Haul Dump Brake Discs - Check
R3000H Load Haul Dump Brake Release System - Test - If Equipped
R3000H Load Haul Dump Braking System - Test
R3000H Load Haul Dump Bucket Pivot Bearings - Lubricate
R3000H Load Haul Dump Cab Air Filter - Clean/Replace - If Equipped
966M XE and 972M XE Wheel Loaders Power Train, Steering, Braking, Hydraulic, and Machine Systems Output Transfer Gears
2012/01/31 A New Adapter Assembly Is Now Used In the Steering Column Group on Certain Off-Highway Trucks {4310}
521B and 522B Track Feller Bunchers Safety Messages
Improving the Air Conditioning System in 793D Off-Highway Trucks{1802} Improving the Air Conditioning System in 793D Off-Highway Trucks{1802}
299D and 299D XHP Compact Track Loaders and 272D and 272D XHP Skid Steer Loaders Machine Systems Gear Pump