TM 5-4520-256-14 Interval Item To Be Inspected Equipment is not Item Procedures Ready/ Available if: No. B D A W M 10 * * Inspect fuel tank cap for de- Missing fuel filler fective or damaged cap, dents, cap. cracks, or corrosion.  Be sure that cap is present and fits securely. 11 * * * Inspect exhaust pipe stowage door for loose mounting, mis- sing fasteners, dents or cor- rosion. 12 * * * * Inspect cabinet exterior for dents, holes, exposed metal, or corrosion. 13 * * * * Inspect exhaust pipe for dents, holes, corrosion, improper fit. 14 * Inspect blower and venturi ring Holes in venturi for holes, dents, corrosion, ring or missing missing blower blades, and blower blades. loose or missing hardware. 15 * Inspect fuel transfer valve for Class III leaks. leaks, corrosion, or other dam- age. 16 * Inspect motor base for loose or Tight shaft or missing hardware, or corrosion. loose mounting. Inspect motor for freedom of rotation, loose mounting, mis- sing fasteners, correct aline- ment and corrosion. 17 * Inspect heat exchanger for Holes in heat ex- loose or missing hardware, cor- changer. rosion, holes, or signs of bur- ner burn through. 18 * Inspect fuel pump for loose Class III leaks. mounting, missing hardware, leaks, or corrosion. 19 * Inspect solenoid valve for Class III leaks. loose wiring and/or connec- tions, leaks, corrosion, loose mounting, or missing hardware. 2-7