ARMY TM 9-6115-464-34
AIR FORCE TO 35C2-3-445-2
NAVY NAVFAC P-6-624-34
c. Cleaning, lnspection, and Repair.
Clean all electrical parts with filtered compressed air and a soft bristle brush. If necessary, remove
caked deposits with an approved cleaning solvent. Do not dip electrical parts in cleaning water.
Clean all non-electrical parts with dry cleaning solvent (Federal Specification P-D-680) and dry
Inspect receptacle assembly for cracks, burned or damaged insulation, loose connections and bent
or broken terminals. Check for continuity between wires and terminal pins with an ohmmeter.
Inspect fuel tube for cracks and other damage.
Inspect metering orifice for damaged threads and obstruction at pin holes. Pin hole diameter is 0.012
Inspect regulator valve for cracks, leaks, or damaged threads.
Check flame switch for distorted or broken springs, loose pivot points, stripped threads, and cracked
or damaged insulation. Check flame switch for continuity.
Inspect igniter for a broken coil or shorts. Check resistance. Resistance must be one ohm with igniter
Inspect quartz rod and heat exchanger for damage, warping, or burned condition.
Inspect air inlet cover for dents. Inspect blower casting for damaged blades, cracks, and breaks.
Inspect heater casting for defective threads, or burned or damaged condition.
Inspect sintered filter for clogged or damaged condition.
Inspect motor assembly for damaged threads, burned or frayed leads and worn brushes.
Inspect adapter for damaged or scored face, warping and for motor shaft bore wear. Face of adapter
must be parallel within 0.001 inch. Adapter bore diameter must be 0.315 to 0.318 inch. Adapter face
must be parallel with rotor side of adapter within 0.001 inch per inch.
Inspect rotor and rotor blades for nicks, scratches and excessive wear.
Inspect seal cage for scored or damaged face and for wear. Remove all imperfections by lapping, or
replace seal cage.
Inspect cam ring and port plate for damaged, scored, or warping. Replace defective cam ring or port
Replace all gaskets, seal rings, motor brushes and vaporizer at each overhaul.
Replace all parts that do not meet inspection requirements.
Seal faces of adapter and seal cage maybe dressed to remove minor nicks, scratches or scoring
using crocus cloth (Federal Specification P-C-458). Remove only material necessary to clean seal