Ransburg MMA-303 Direct_Ind Charge Atomizer A12870 - Manual (Page 88)

MMA-303 Direct/Indirect Charge - Maintenance
85 LN-9269-11.3
DISASSEMBLY PROCEDURES
(Cont.)
Valve and Seat Removal / Installation
(Mounting Manifold Assembly)
Weep Port Locations
Inspect weep ports for contamination or other
visible leakage around valves. Follow instruc-
tions as follows for damage to valves, seats,
or performing preventative maintenance.
Using the valve removal tool (A11922-00),
engage the four (4) pins on the tool to the cor-
responding four (4) hole pattern in the top of
the valve. Using a 1/2” (13mm) socket, end
wrench, or adjustable wrench, remove the
valve by turning counter-clockwise.
Valve Removal
Using the seat removal tool (A10756-00), in-
sert the smaller hex end into the block to en-
gage the seat female hex. Using a
3/8” (10mm) socket end-wrench, or adjustable
wrench, remove the seat by turning counter-
clockwise.
Seat Removal
Valve and Seat Inspection
Inspect the valves and seats for any build-up
of materials. Valves should be cleaned with
an appropriate cleaning solvent to remove the
material on it.
NOTE - A seat should not be replaced unless
there are indications of valve leakage in opera-
tion.