TM 10-3930-659-20 14-12.    CAB SOUND ISOLATORS REPLACEMENT. This Task Covers: a. Side Sound Isolator Replacement b. Roof Sound Isolator Replacement Initial Setup: Tools/Test Equipment: • General mechanic's tool kit (Item 44, Appendix F) a. SIDE SOUND ISOLATOR REPLACEMENT NOTE Right and left side sound Isolators are removed and Installed the same way.  Right side sound isolator Is Illustrated. 1. Remove side sound isolator (1) and header (2) from cab side (5). 2. Install header (2) and side sound isolator (1) on cab side (5). TA706815 14-29