Ransburg M90 Handguns 77073, 77132 - Manual (Page 23)

AH-99-01.3
M90 Handguns - Maintenance
1 9 1 9 1 9 1 9 1 9
TO REMOVE THE GUN TO REMOVE THE GUN TO REMOVE THE GUN TO REMOVE THE GUN TO REMOVE THE GUN
FROM THE WORK SITE FROM THE WORK SITE FROM THE WORK SITE FROM THE WORK SITE FROM THE WORK SITE
1. Flush the gun. (Refer to "Flushing Pro-
cedures".)
2. With a wrench, loosen and unscrew the
fluid hose nut. Remove the fluid hose
assembly.
3. With a wrench, lock the air fitting in place
and loosen the air hose nut using a sec-
ond wrench. Completely unscrew the
nut and remove the air hose assembly.
> ALWAYS ALWAYS ALWAYS ALWAYS ALWAYS remove the gun from the
work site for service or repair!
> DO NOT DO NOT DO NOT DO NOT DO NOT use any silicone lubricants in
order to avoid paint defects.
C A U T I O N C A U T I O N C A U T I O N C A U T I O N C A U T I O N !!!!!
> If the low voltage cable is to be re-
placed, see "Low Voltage Cable Replace-
ment".
N O T E N O T E N O T E N O T E N O T E
4. Cascade Handgun: Cascade Handgun: Cascade Handgun: Cascade Handgun: Cascade Handgun: Loosen the low
voltage cable nut from the plug assem-
bly with a wrench and unscrew the nut
by hand. Remove the low voltage cable
by pulling it from the plug assembly.
Classic Handgun: Classic Handgun: Classic Handgun: Classic Handgun: Classic Handgun: Loosen the set-
screw in the hose bracket that retains
the swivel fluid fitting, but do not remove.
With a wrench, loosen the air fitting.
Then simultaneously, while unscrewing
the air fitting by hand, pull the hose
bracket and high voltage cable from the
handle.
5. Remove the gun from the work site.
BARREL BARREL BARREL BARREL BARREL ASSEMBL ASSEMBL ASSEMBL ASSEMBL ASSEMBLY Y Y Y Y
Removal Removal Removal Removal Removal
1. Use the spanner wrench to loosen the
air cap retaining nut and then unscrew it
completely by hand.
2. Remove the air cap and fluid nozzle by
hand. The fluid nozzle may require re-
moval from the air cap using the nozzle
tool. Screw the nozzle tool into the back
of the fluid nozzle and pull it straight out.
3. Using a flat head screwdriver, remove
the two shoulder screws that retain the
trigger to the handle.
4. While holding the ground spring (located
under the trigger and over the air valve
stem) back toward the handle, remove
the trigger from the handle. Remove the
grounding spring from the air valve
stem.
5. Using a 3/4-inch open end wrench, un-
screw the fluid tube connector from the
barrel and slide it down the fluid tube.
6. Use the special multi-purpose wrench to
loosen the retaining nut that secures the
barrel to the gun handle. After unscrew-
ing the retaining nut, slide it forward.
7. Hold the gun handle and fluid tube so
the barrel points downward. With the
other hand, pull the barrel forward to
separate it from the handle. Once the
barrel has cleared the handle, remove
the spring from the spring retainer and
set it aside. If the fluid tube will not
come loose from the barrel, rotate the
barrel back and forth on the axis of the
fluid tube until it comes loose.
> If during testing it is found that the cas-
cade section of the barrel is bad, repair of
the barrel is not an option. The only course
of action is to replace the barrel assembly.
N O T E N O T E N O T E N O T E N O T E
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