Section II. SPRAY GUN EXTENSION

TM 5-4940-228-14 Section II. SPRAY GUN EXTENSION 6-6. General. The spray gun extension can directly replace air and fluid nozzles for painting locations which are out of reach with spray gun alone. Fluid flows through the fluid extension while air flows between fluid extension and air extension. 6-7. Disassembly. There are only four parts which make up the spray gun extension. Refer to Figure 6-2. Unscrew lock ring (1) from air extension (3) and remove noz- zle (2). Slide fluid extension (4) from air extension (3). Section III. 6-10. Hose Repair. Reusable hose connections are used on all hose assemblies. Should a hose require repair, refer to figure 6-3 and proceed as follows: NOTE A hose which is damaged in or near the middle should be discarded and a new length of ho8e used. a. A hose which is split or damaged near an end can be cut back as far as necessary. Make a clean square cut with a sharp knife. b. Hold sleeve (6) with a wrench and unscrew 6-8. Inspection. Check all parts for dents, breaks, damaged threads and excessive wear. Repair of the spray gun extension is a matter of parts replacement only, so inspection to locate damaged parts is most im- portant. 6-9. Reassembly. Refer to Figure 6-2. Slide fluid extension (4) into air extension (3). Place nozzle (2) onto threaded end of air extension (3) and screw lock ring (1) on air ex- tension (3). Assembly is now complete. HOSE REPAIR stem (5). Pull damaged hose from sleeve (6) and in- sert newly cut end into the sleeve (6) firmly bottom- ing hose inside. Screw stem (5) into sleeve (6). c. Flex hose along full length and observe for cracks, tears or breaks. Pressurize hose to 100 psi and listen for any air leaks. d. To change any of the connector assembly par- ts, unscrew stem (5) from sleeve (6). Unscrew seat (3) from stem (5). Connector assembly is now com- pletely disassembled. Use only serviceable parts for reassembly. Place nut (4) over seat (3) and screw seat (3) into stem (5). Screw stem (5) into sleeve (6). 6-3