TM 10-3930-659-34 5-10.  TRANSMISSION OIL FEED FLANGE MAINTENANCE (Con’t). 8. Install   air   deflector   plate   (25)   on   transmission assembly (5). WARNING Wear protective clothing (goggles/shield, gloves, etc.) when heating parts and handling hot parts. Hot parts can cause severe burns. CAUTION DO NOT use a torch to heat transmission assembly housing.  Housing may become warped and equipment damaged. 9. Insert heat gun into air deflector plate (25) and heat transmission assembly (5) for 30 minutes. 10. Remove air deflector plate (25) from transmission assembly (5). 11. Apply sealing compound to pressure and suction ports on transmission oil feed flange (3). NOTE Ensure that oil passages of transmission oil feed flange and transmission assembly are alined. 12. new gasket (6) and transmission oil feed flange (3) on transmission assembly (5). 5-86