Ransburg M90 Handguns 77073, 77132 - Manual (Page 26)

AH-99-01.3
M90 Handguns - Maintenance
2 2 2 2 2 2 2 2 2 2
Figure 1: Trigger Nut Adjustment for Figure 1: Trigger Nut Adjustment for Figure 1: Trigger Nut Adjustment for Figure 1: Trigger Nut Adjustment for Figure 1: Trigger Nut Adjustment for
Cascade/Classic Guns Cascade/Classic Guns Cascade/Classic Guns Cascade/Classic Guns Cascade/Classic Guns
17. Push the needle shaft forward until the
ball valve needle seats into the valve
body.
18. Adjust the trigger adjustment nut as far
forward as possible.
19. Adjust the needle shaft spring retainer
until the rear of the hexagon is 11/16-
inch from the rear surface of the barrel
packing chamber (refer to Figure 1).
The dimension shown is for both Cas-
cade and Classic style handguns.
20. Hold the spring retainer in place and
screw the front trigger adjustment nut
rearward until contact is made. Use two
3/8-inch open end wrenches to tighten
and lock the adjustment nuts in place on
the needle shaft.
Attaching Barrel to Handle Attaching Barrel to Handle Attaching Barrel to Handle Attaching Barrel to Handle Attaching Barrel to Handle
1. If the barrel retaining nut has been re-
moved, it will have to be reinstalled be-
fore the barrel can be attached to the
handle.
2. Place the retaining nut over the rear of
the barrel and slide it forward as far as
possible.
3. Spread the retaining ring and place it
onto the barrel. Starting at one end, lift
the retaining ring over the captive ridge
and spiral into place.
4. Insert the new Teflon seal into the fluid
inlet chamber in the barrel or insert the
new Teflon seal onto the tip of the fluid
tube assembly.
5. Place the large hole of the gasket over
the needle shaft and onto boss of the
barrel packing chamber.
6. Cascade Handgun: Cascade Handgun: Cascade Handgun: Cascade Handgun: Cascade Handgun: While holding the
barrel with the air nozzle pointing down-
ward, install the needle shaft spring into
the spring retainer. Align the electrical
connectors of the barrel with the mating
holes in the hook/transformer assembly
and the needle shaft spring with the
spring recess in the handle. While slid-
ing the barrel into the handle cavity,
align the fluid tube subassembly with the
fluid inlet camber in the barrel and seat
the barrel against the gasket. Ensure
the needle shaft spring did seat into the
handle recess and the fluid tube into the
fluid inlet chamber.
Classic Handgun: Classic Handgun: Classic Handgun: Classic Handgun: Classic Handgun: While holding the
barrel with the air nozzle pointing down-
ward, install the needle shaft spring into
the spring retainer. Align the large bore
of the barrel with the resistor housing
and the needle shaft spring with the
spring recess in the handle. Ensure that
the conductive sponge has been in-
stalled into the barrel cavity. While slid-
ing the barrel into the handle cavity,
align the fluid tube subassembly with the
fluid inlet camber in the barrel and seat
the barrel against the gasket. Ensure
the needle shaft spring did seat into the
handle recess and the fluid tube into the
fluid inlet chamber.
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