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