Chāixiè jiājù shí yào xiǎoxīn, bìmiǎn sǔnhuài língjiàn.
Be careful when disassembling furniture so as not to damage the parts.
Tips
usage
拆卸 implies a careful, systematic taking-apart, often for repair or relocation. It contrasts with 拆除 (chāichú), which means to demolish or remove something permanently.