14-20.    HEATER CONTROL PANEL REPLACEMENT. This Task Covers: a. Removal b. Installation Initial Setup: Equipment Conditions: Tools/Test Equipment: • Defroster  blower  control removed  (see para- •  General mechanic's tool kit (Item 44, Appendix F) graph 16-4). • Heater control removed (see paragraph 16-16). • Heater blower control removed (see para- graph 16-4). a. REMOVAL 1. Remove four screws (2) and heater control panel (3) from cab (4). 2. If damaged, remove identification marker (1) from heater control panel (3). b. INSTALLATION 1. If removed, install identification marker (1) on heater control panel (3). 2. Install heater control panel (3) on cab (4) with four screws (2). FOLLOW-ON TASKS: • Install heater blower control (see paragraph 16-4). • Install heater control (see paragraph 16-16). • Install defroster blower control (see paragraph 16-4). TA706830 14-45