TM 9-4120-371-14
(9) Place knobs on switch shafts and aline setscrews with flats on shafts.
(10) Using allen wrench, tighten setscrews in both knobs.
Follow-on procedure: Install control panel. (See para 438.)
4-42. CONTROL PANEL HOUSING
Preliminary procedures: 1. Remove control panel wiring harness. (See para 4- 39.)
2. Remove Temperature control thermostat. (See para 4-40.)
a. Inspection
(1) Check control panel for dents, cracks, or punctures. Replace if damage creates a hazard or
interferes with operation.
(2) Check that insulation, plate nut, clamp, and grommets are in place and secure. Repair or replace as
needed.
(3) Check that information plate is legible and securely riveted to control panel.
(4) Check support for cracks or dents that create a hazard or interfere with operation.
b. Repair
(1) Repairs are limited to replacement of damaged or missing parts and tightening of mounting
hardware.
(2) Refer replacement of information plate to direct support maintenance.