FENDER GP 4339865 - Caterpillar

Illustration 2 g06135029
Type 2
(3) Powered Access Stairway Switch
(4) Battery Disconnect SwitchThe powered stairway can be raised or lowered under normal conditions with one of two different control switches. Control switch (2) for the powered stairway is located on the handrail at the top of the stationary stairway. Control switch (3) for the powered stairway is located on the front bumper near the base of the stationary stairway.Battery disconnect switch (4) must be in the ON position and the shift control must be in the P (parking brake applied) position to operate the powered stairway control switches.Note: Two circuit breakers are located on the back of the platform for the powered stairway. For more information on the circuit breakers for the powered stairway, refer to Operation and Maintenance Manual, "Fuses, Circuit Breakers, and Relays - Replace/Reset".Lowering
Powered Stairway Lower - To lower the powered stairway with one of the control switches, perform the following steps:
Verify that the area around the powered stairway is clear of people and obstacles before lowering the powered stairway.
Hold control switch (2) or control switch (3) in the DOWN position to lower the powered stairway. Release the switch to stop the powered stairway from moving.Note: When one of the control switches is used to move the powered stairway, an audible alarm will sound while the powered stairway is in motion.Note: When a control switch is used continuously to move the powered stairway, the powered stairway will move from the fully raised position to the fully lowered position in approximately 7 seconds.
Always place the powered stairway in the fully lowered position before mounting and dismounting the machine.Manual Lowering
Illustration 3 g02077133
Powered Stairway Manual Lowering Control - If necessary, the powered stairway can be lowered with the use of manual lowering control (5).The manual lowering control is located on the handrail above the platform for the powered stairway.If the manual lowering control is used, the control valve linkage will need to be reset before the control switches can be used to move the powered stairway.To lower the powered stairway with the manual lowering control, perform the following steps:
Crush Hazard! Stay back a safe distance from the powered stairway when it is being raised or lowered. Failure to stay back may result in injury or death.
Make sure that the area is free of obstacles before raising or lowering the powered stairway.Forward or reverse machine travel with the powered stairway lowered could result in contact with the ground or an obstacle resulting in damage to the powered stairway.
Verify that the area around the powered stairway is clear of people and obstacles before lowering the powered stairway.
Depress manual lowering control (5) to manually lower the powered stairway. The movement of the powered stairway cannot be stopped once the manual lowering control has been depressed.Note: When the manual lowering control is used to move the powered stairway, the powered stairway will move uncontrolled from the fully raised position to the fully lowered position in approximately 3 seconds.
Perform the following steps to reset the control valve