Service
10
308491U
Service
Repair Notes
The needle and seat are available only as a kit which
includes items 2a to 2e.
The Standard Needle and Seat Kit, 237398, has the
number
090
stamped on the needle and seat.
A Non-diffused Needle and Seat Kit, 237260, has the
number
125
stamped on the needle and seat. It is
recommended
only for use with mastics, sealers and
other high viscosity materials which have fillers that
cannot pass through the standard seat’s diffuser.
Use high quality, general purpose grease where grease
is indicated.
Disassembly
NOTE:
If replacing only the needle and seat, Step 4
and
5 are not required. However, removing them allows you
to clean the gun more thoroughly.
1. Relieve pressure
2.
Disconnect the fluid hose (A). Remove the tip
guard
(30). Unscrew the spring screw (21) about
1/4 in. (7
mm) to release spring tension.
3. Unscrew the valve seat (2a). Remove the gasket
(2b).
4.
Remove one e-clip (27). Push out the pin (18).
Remove the screw (29), pivot pin (28), and trig
ger(25).
5. Remove the screws (24).
To reduce the risk of serious injury from fluid injection
or splashing, always follow the
page 6 before servicing the gun.
30
21
A
ti04731b
2a
2b
ti03969a
29
28
27
18
25
ti04732a
24
ti04733a
