TM-9-2320-361-24-2 Field Maintenance Manual Volume 2 for M44A2 Series Trucks
Page 882 of 1144
TM 9-2320-361-24-2 0432 00 0432 00-2 PERSONNEL HEATER BURNER MAINTENANCE (Contd) REMOVAL 1. Remove screw (7), nut-assembled lockwasher (4), nut-assembled lockwasher (3), ground strap (5), and lockwasher (6) from heater housing (9) and heat exchanger (10). Discard nut-assembled lockwasher (4), nut-assembled lockwasher (3), and lockwasher (6). 2. Loosen four nut-assembled lockwashers (2) and remove four hook bolts and clamps (1) from burner (8) and heat exchanger (10). Discard nut-assembled lockwashers (2). 3. Remove burner (8) from heat exchanger (10). 4. Remove O-ring (11) and preformed packing (12) from burner (8). Discard preformed packing (12) and O-ring (11). DISASSEMBLY 1. Remove three nuts (14) and lockwashers (15) and separate burner cup (13) from header (23). Discard lockwashers (15). 2. Remove screw (22), shield (21), washers (20) and (19), vaporizer (18), and fiber washer (17) from burner cup (13). Discard fiber washer (17). 3. Remove wick (16) from burner cup (13). Discard wick (16). CLEANING AND INSPECTION WARNING • Skysol 100 solvent is combustible; DO NOT use or store near heat, sparks, flame, or other ignition sources. Use mechanical ventilation whenever product is used in a confined space, heated above ambient temperatures, or agitated. Keep container sealed when not in use. Contact with Skysol 100 may cause skin irritation. Use chemical-resistant gloves. In case of skin contact, remove any contaminated clothing and wash skin thoroughly with soap and water. Wash contaminated clothing before reuse. Eye contact may cause irritation, tearing, or blurring of vision. Use face shield or goggles when eye contact may occur. In case of eye contact, flush eyes with large amounts of water for at least 15 minutes or until irritation subsides. Inhalation may cause irritation to upper respiratory passages. DO NOT have food or drink in the vicinity. Failure to comply may result in injury to personnel. • Eye protection is required when using wire brush for cleaning. Failure to comply may result in injury to personnel. Inspect burner (8) for scorched and charred surfaces. If scorched or charred, clean surfaces with wire brush and wipe clean with Skysol 100 solvent and clean rag. ASSEMBLY 1. Insert new wick (16) in burner cup (13). Do not twist wick (16). 2. Lay strands of wick (16) in notches of fiber washer (17). 3. Install new fiber washer (17), vaporizer (18), washers (19) and (20), shield (21), and screw (22) on burner cup (13). 4. Position burner cup (13) on header (23) and secure with three new lockwashers (15) and nuts (14).