Always spray at the lowest possible pressure when
the tip and tip guard have been removed. To
clean the airless gun, hose and spray device, use
only water or a suitable solvent. Static electricity
buildup may result in a fire or explosion in the
presence of flammable vapors. Hold the gun firmly
against a metal container while flushing.
mAINtENANcE
Follow all safety precautions as described in the Safety Precautions section of
this manual before proceeding.
Refer to the Parts List section in this manual for part identification.
i
REplAcInG/sERvIcInG tHE sEAl AssEMBly
If your spray gun leaks or spits at the tip when you release the trigger, replace
the ball valve located on the packing seal assembly and reverse the seat
located in the diffuser.
To replace the ball, order kit P/N 0538221 and follow the instructions included
with the kit.
The entire packing seal assembly can also be replaced (less often than the ball
valve). Follow the instructions below.
Never attempt to perform maintenance on the spray gun without
first performing the "Pressure Relief Procedure."
1. Perform the "Pressure Relief Procedure" and
disconnect the fluid hose from the gun.
2. Remove the end cap (1) and the packing
spring (2) from the rear of the gun head.
3. Using a 3/8" socket, remove the packing
seal assembly (3) from the rear of the gun
head.
4. Soak the removed parts in the appropriate
solvent and wipe clean.
5. Inspect the parts for wear or damage and use new parts during reassembly
of the gun, when necessary.
Lubricate all packings and moving parts before reassembly with a
i
lithium-based grease.
8
GB
1
2
3
4
RX-Pro