Table 2-1. Operator Preventive Maintenance Checks and Services (Continued)
B - Before
D - During
A - After
FOR READINESS REPORT-
ITEM TO BE INSPECTED.
ING, EQUIPMENT IS NOT
NOZZLE ASSEMBLY (Continued)
Figure 2-12. Air Cap
a. Make sure air cap holes are not coated with oil
The nozzle assembly is blocked
residue, partially blocked, or plugged.
(1) Remove knurled ring and air cap.
(2) Soak the air cap in acetone (0-A-51F) to dissolve
the gunk and varnish.
(3) Carefully clean out the air cap holes with a tooth-
pick or other soft non-metallic object.
(4) Wipe the air cap, the exposed fluid nozzle sur-
faces, and the fluid hole projection with a clean rag.
Figure 2-13. Fluid Nozzle
b. Make sure fluid nozzle is not blocked or plugged.
The fluid nozzle leaks air
(1) Remove fluid nozzle and teflon gasket.
Be sure to check the air groove in the back
of the fluid nozzle and clean it as necessary.