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CABLE AS 2277873 - Caterpillar



2277873 CABLE AS Caterpillar parts CABLE
Rating:
86
Alternative (cross code) number:
CA2277873
227-7873
2277873
Caterpillar 2277873 CABLE AS

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Do not attempt to move the machine without normal brake air pressure. Be sure the machine body is lowered and the hoist control is in the FLOAT position. 1. The retarder control lever (1) should be in the UP position.2. The secondary brake lever (2) should be in the UP position.3. Move parking brake switch (3) to the OFF position.4. Move transmission control lever (4) to the desired direction and speed.5. Release the service brake and depress the accelerator.6. Operate the engine between 1300 to 1950 rpm normally. Keep rpm 1700 to 2200 rpm while retarding, to get brake cooling oil flow.
Do not exceed 2300 rpm or engine damage may result.
Secondary Brake System
1. If the low air pressure alarm sounds and the brake air pressure indicator is on, stop the machine.2. To stop the machine, depress the service brake pedal. 3. If the service brake pedal does not stop the machine, pull the secondary brake lever and hold down until machine stops. 4. When the machine stops, wait until the air pressure builds up. If the air pressure will not build up, have repairs made.
When parking on a slope, always block the wheels securely before leaving the machine unattended.After an emergency stop, do not operate the machine until a complete check has been made of the entire braking system and any necessary repairs have been made.
In an emergency, the machine can be moved to the side of the road, in 1st speed range, with the secondary brake applied.
Changing Gear Speed and Direction
The transmission will automatically shift up or down between 1st and the selected top forward operating range.The downshift inhibitor prevents the overriding of the automatic shifting, if the shift would overspeed the engine.The operator can manually move the shift lever, but the transmission will not downshift until the proper ground speed is attained.When changing direction, stop the machine and reduce the engine rpm to low idle. Move the transmission control lever to the desired direction. Shifts to reverse while moving will damage the reverse clutches.Protection is built into the transmission control. Reverse shifts made while going 3 mph or more forward will not occur.
To avoid striking overpasses, electrical power lines and obstructions, always lower the body (bed) before moving the machine.
Automatic Electronic Traction Aid (AETA) - If Equipped
Test
This procedure determines whether the AETA control is functioning and that the left and right rear brakes activate when they should. 1. Find a clear, level area, large enough for the machine to be driven in a complete circle. Start the machine and move the transmission lever to 1st gear. 2. Turn the steering wheel all the way to the left. With the engine at LOW IDLE, drive the machine in a complete circle. While continuing to turn, lift the guard over the AETA test switch and move the switch up to the ON (test mode) position.3. The machine will gradually slow down.4. Move the test switch to OFF, the machine will pick up speed.5. Turn the machine around,


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