Ransburg M90 Handguns 77073, 77132 - Manual (Page 29)

AH-99-01.3
M90 Handguns - Maintenance
2 5 2 5 2 5 2 5 2 5
3. Inspect the air valve rod assembly for
wear and/or damage. If any wear is
found on the air valve rod assembly, it
and the u-cup seal must be replaced.
4. Inspect all other parts for damage. Re-
place any damaged components.
5. Inspect the brass seat in the handle for
damage or wear. If damaged or worn,
the handle must be replaced.
Reinstall Reinstall Reinstall Reinstall Reinstall
1. Install the new spring loaded u-cup seal,
spring side (cup portion) outward, into
the air valve retaining nut. Apply a coat-
ing of Teflon thread sealant to the
threads of the retaining nut and screw it
fully into the handle. Use 3/8-inch open
end wrench to tighten.
2. Apply a thin film of lubricant around the
shaft, just behind the brass tip of the air
valve rod assembly.
3. Install the air valve, rod end first, into the
air valve chamber from the back on the
left hand side of the handle and push it
through the retaining nut.
4. Install the compression spring onto the
back of the air valve.
5. Apply a thin film of lubricant on the o-ring
and install it into the thread relief of the
air valve cap.
6. Install the assembled air valve cap con-
taining the o-ring seal into the handle us-
ing a standard blade screwdriver.
> The seal internal to the air valve retain-
ing nut cannot be reused once it has been
removed from its holder.
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 !!!!!
TRIGGER TRIGGER TRIGGER TRIGGER TRIGGER
Removal Removal Removal Removal Removal
1. Remove the two shoulder screws that
attach the trigger to the gun.
2. Hold the ground spring in position and
remove the trigger from the gun assem-
bly.
3. Remove the ground spring from the rod
portion of the air valve and set it aside
for safe keeping.
Cleaning and Inspection Cleaning and Inspection Cleaning and Inspection Cleaning and Inspection Cleaning and Inspection
1. Clean the trigger with a suitable solvent
and dry.
2. Inspect the trigger for damage or wear
and replace if necessary.
Reinstall Reinstall Reinstall Reinstall Reinstall
1. Install the ground spring onto the rod
portion of the air valve and hold it in
place.
2. Slide the trigger onto the handle and
align the holes with the threaded holes in
the handle.
3. Insert the shoulder screws through the
holes of the trigger and screw them into
the handle by hand.
4. Secure the shoulder screws to the
handle using a flat blade screwdriver.
> The gun trigger can be replaced either
with the gun online or removed from ser-
vice. If the following procedure is to be
done online, make sure that all fluid and
air sources are shut off to the gun and the
pressure in the lines is relieved. Most of
all, make sure that the power supply is
turned off!
N O T E N O T E N O T E N O T E N O T E
ARCHIVE