Ransburg Evolver 303 Solvent Applicator A11976-XXX - Manual (Page 48)

Figue 18: Seat Removal
Using the seat removal tool (A10756-00), insert
the smaller hex end into the block to engage the
seat female hex. Using a 3/8" (10mm) socket
end-wrench, or adjustable wrench, remove the
seat by turning counter-clockwise, as shown in
Figure 18.
Valve and Seat Inspection
Inspect the valves and seats for any build-up of
materials. Valves should be cleaned with an ap-
propriate cleaning solvent to remove the material
on it.
>
A seat should not be replaced unless
there are indications of valve leakage in
operation.
NOTE
Replacement
Lubricate the seat o-ring using a suitable lubricant.
By hand, using the seat tool (A10756-00), carefully
start the seat into the pocket for the seat.
Hand tighten the seat in place. Using a torque
wrench with a 3/8" (10mm) socket, torque the
valve seats to 15-20 lbs•in (1.2.3 Nm)
Figure 19: Valve Seat Torque
>
Carefully start the seat into the pocket.
It may be easily cross threaded.
NOTE
>
Always use a torque wrench to torque the
seats in place. Over-torquing the seats may
cause permanent irrepairable damage to the
rear manifold.
C A U T I O N
!
Lubricate the valve o-rings with a suitable o-ring
lubricant. By hand, start the threads clockwise
of the valve into the pocket. Tighten using a 1/2"
(13mm) socket and torque to 15-20 lbs•in (1.7-
2.3 Nm).
Figure 20: Valve Torque
CW TO
TIGHTEN
15-20 LBS-IN
(1.7-2.3 N-M)
TORQUE
WRENCH
CW TO
TIGHTEN
15-20 LBS-IN
(1.7-2.3 N-M)
TORQUE WRENCH
45
Evolver 303 Robotic Atomizers - Maintenance
Ransburg
AA-07-03.2