TM 10-3930-659-20 16-16.    HEATER CONTROL AND HEATER CONTROL VALVE CABLE REPLACEMENT. This Task Covers: a. Removal b. Installation Initial Setup: Equipment Conditions: Tools/Test Equipment: • Cab fresh air filter door opened (see TM 10-3930- •  General mechanic's tool kit (Item 44, Appendix F) 659-10). • Cab rear panel removed (see paragraph 14-22). References: •  TM 10-3930-659-10 a. REMOVAL 1. Remove   screw   (7)   and   clip   (6)   from   heater control valve (5). 2. Remove    heater  control  valve  cable  (4)  from heater control valve (5). 3. Remove knob (1), jamnut (2), and heater control (3) with heater control valve cable (4). b. INSTALLATION 1. Install heater control valve cable (4) and heater control (3) with Jamnut (2).  Install knob (1) on jamnut. 2. Install  heater  control  valve  cable  (4)  on  heater control valve (5). 3. Install  clip  (6)  on  heater  control  valve  (5)  with screw (7). FOLLOW-ON TASKS: • Install cab rear panel (see paragraph 14-22). • Close cab fresh air filter door (see TM 10-3930-659-10). TA707016 16-56