This document provides instructions for disassembling and assembling the air suspension system on a Caterpillar 963B track loader seat. It describes 22 steps to disassemble parts like the air spring, indicator, adjustment knob, and compressor. It then describes 23 steps to reassemble these parts in reverse order, including reconnecting wiring harnesses and hoses and tightening bolts to the specified torques. Detailed illustrations accompany each step. Safety warnings are provided to prevent injury from pressurized air or released springs.