TM-9-2320-209-34-2-3 Page 377

TM-9-2320-209-34-2-3 Maintenance Part 3 for M44A1 and M44A2 Series Trucks

Page 377 of 592

TM 9-2320-209-34-2-3 FRAME 5 CAUTION 1. 2. 3. 4. GO Use clean tools, have clean hands, and work on clean surface when taking apart fuel control valve. Even the smallest piece of dirt will cause the valve not to work right. Pull off electrical leads (1 and 2) from thermostat (3). Unscrew and take out three screws (4). Take off clamp (5) and thermostat (3). Take off cover plate (6), gasket (7), orifice plate (8), and gasket (9). Throw away gaskets (7 and 9). WARNING Eye shields must be worn when using compressed air. Eye injury can occur if eye shields are not used. CAUTION Do not force anything through the orifice plate (8) openings. The slightest change in the calibrated openings in the plate may cause serious overheating problems. Clean orifice plate (8) and cover plate (6) with compressed air. Inspect orifice plate (8) with a magnifier. Check for cracks or burrs. Get new orifice plate if cracks or burrs are found. TO FRAME 6 21-42