Complete workshop & service manual with electrical wiring diagrams for Bobcat 450, 453 Loader. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This Bobcat 450, 453 Loader service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

6724163 (9-98) - 453 Operation & Maintenance Manual.pdf
6724207 (9-98) - Operation & Maintenance Manual.pdf
6724259 (1–96) - 450, 453 Service Manual.pdf
6900326 (11-98) - 453 Operation & Maintenance Manual.pdf
6900363 (5–97) - 453 Service Manual.pdf
6900784 (10-04) - 453 Operation & Maintenance Manual.pdf

EXCERPT:
"BOBCAT INTERLOCK CONTROL SYSTEM (BICSTM)"
"Inspecting the BICSTM System Controller (Engine STOPPED – Key ON)"
"Sit in the operator’s seat. Turn key ON, lower the seat bar and disengage the parking brake. All five (5) BICSTM System Controller lights should be ON (Items 1, 2, 3, 4 & 5) [A]."
"Engage the parking brake, raise the seat bar fully. Seat bar light (Item 2) [A], valve light (Item 3) [A] and traction light (Item 4) should be OFF."
"Raise up slightly off the seat. Seat light (Item 1) [A] should be OFF."
"NOTE: Record what lights are blinking (if any) and number of blinks. Refer to Page 8–4."
"Exit the loader and press traction lock override button. Traction light (Item 4) [A] should be ON. Press override button again and traction light (Item 4) [A] should be OFF."
"Inspecting the Seat and Seat Bar Sensors (Engine RUNNING)"
"Sit in the operator’s seat, lower the seat bar and engage the parking brake. Fasten the seat belt."
"Start the engine and operate at low idle. While raising the lift arms, raise the seat bar fully. The lift arms should stop. Repeat using the tilt function."
"NOTE: The auxiliary hydraulic functions are not affected by the Bobcat Interlock Control System (BICSTM)."
"Inspecting the Traction Lock (Engine Running)"
"Sit in the operator’s seat."
"Fasten the seat belt, disengage the parking brake, and raise the seat bar fully. Move the steering levers slowly forward and backward. The traction lock should be engaged. Lower the seat bar."
"Engage the parking brake pedal and move the steering levers slowly forward and backward. The traction lock should be engaged."
"Inspecting the Lift Arm By–Pass Control"
"Raise the lift arms six (6) feet (2 m) off the ground. Stop the engine, pull and hold the by–pass control knob. Push the toe of the left foot pedal and the lift arms should lower slowly."
"Maintenance"
"Clean any debris, dirt or objects from under or behind the operators seat [B] & [C]. The right side of the seat must move up and down."
"Clearance is necessary between the seat mount (Item 1) [C] and the seat pan, to allow the seat to move up and down freely. With adequate clearance, the seat sensor will be allowed to function properly."
"Inspect seat bar pivot area for tight linkage bolts."
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