Ransburg Aerobell (Std.) Rotary Atomizer A12381 - Manual (Page 55)

Figure 23: Valve Seat Removal
Figure 22: Valve Removal
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Disassembly and repair of the turbine
during warranty period is not allowed. See
“Limited Warranty” in the "Warranty Policy"
section of this manual, and also refer to
"Aerobell Air Bearing Turbine Assembly"
manual for details.
Aerobell Turbine
Disassembly and Repair
Disassembly and repair of the turbine is covered
in the current "Aerobell Air Bearing Turbine
Assembly" service manual. When returning the air
bearing turbine to Ransburg for repair, return the
Quick Change Assembly atomizer or turbine only.
Valve and Seat Removal
(MCV Style)
Inspect weep ports for contamination or other
visible leakage around valves. Follow instructions
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 corresponding
four (4) hole pattern in the top of the valve. Using
an 1/2" (13mm) socket, end wrench, or adjustable
wrench, remove the valve by turning counter-
clockwise.
Tighten knurled thumb screw and tool to engage
1-2 threads on the valve cap. This will aid in pulling
the valve from its bore once it is loose.
Using the seat removal tool (A10766-00), insert
the small hex end into the block to engage the seat
hex. Using a 3/8" (10mm) socket, end wrench,
or adjustable wrench, remove the seat by turning
counter-clockwise.
VALVE AND SEAT
INSTALLATION (MCV
STYLE)
Valve and Seat Inspection
Inspect the valves and seats for any build-up or
leakage of materials. Valves should be cleaned
with an appropriate cleaning solvent to remove
the material on it.
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A seat should not need to be replaced
unless there are indications of valve leak-
age in operation.
NOTE
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Carefully start the seat assembly into the
pocket. It may be easily cross-threaded.
NOTE
C A U T I O N
!
3/8 INCH SOCKET AND RATCHET
A10756-00
VALVE SEAT
TOOL
77367-00
VALVE SEAT
ASSEMBLY
A11922-00
VALVE REMOVAL
TOOL
1/2 INCH SOCKET AND RATCHET
78949-00
VALVE
ASSEMBLY
Aerobell - Maintenance
51 LN-9264-08.2
Ransburg