LINK & BEARING AS 2602289 - Caterpillar

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Check all remote control functions prior to operating or entering the work area with the machine. Should any function not operate correctly, have it repaired before resuming operation.
Lift protective cover (2). Push up and hold the engine start switch until the starter engages and starts the engine. Release the start switch when the engine starts.
Do not crank the engine continuously for more than 30 seconds. Allow the starting motor to cool for two minutes before cranking the engine again.
Disengage the parking brake by moving park brake switch (3) down to the OFF position.
Switch the lights ON if required and raise the bucket to the carry position, approximately 400 mm (15 inch) above the ground.
Direct System - Move motion control lever (1) to the desired direction and select either full throttle or part throttle to move the machine. The motion control lever has to be in either the FORWARD position or the REVERSE position and either part throttle or full throttle positions selected before the brakes will release. The brakes will apply when the motion control lever is returned to the center position. The lever will return to the center position when released.Proportional System - Move motion control lever (1) to the desired direction. The further the motion control lever is moved, the more the engine RPM will increase. The brakes will release when the motion control lever is moved from the center position. The brakes will apply when the motion control lever is returned to the center position. The lever will return to the center position when released.
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Amber light (4) on the operator station of the machine will go out when the brakes are released with the motion control lever.
Do not operate the machine if the amber light remains ON. This indicates the machine has either low brake oil pressure or the brakes are applied. Driving the machine with the brakes applied for an extended period can cause severe damage to the braking system.
The machine can now be operated on remote control from the transmitter.Interlock Strategy
When operating the machine you must perform one of the following actions within 3 seconds or the parking brake will engage, the transmission will select neutral and the engine will stop.
Maintain engine speed above 850 rpm
Select either forward direction or reverse directionWhen the machine is stopped you must perform one of the following actions within 3 seconds or the parking brake will engage, the transmission will select neutral and the engine will stop.
Maintain engine speed above 850 rpm
Engage the parking brake