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Maintenance
To reduce the risk of serious injury from fluid injection
or splashing, always follow the Pressure Relief
Procedure on page 7 before servicing the gun.
Disassemble the Gun
NOTE: If replacing needle and seat only, steps 4 and 5
are optional.
1. Follow the Pressure Relief Procedure, page 7.
2. Disconnect the fluid hose (Z) and swivel (V, if used).
Remove the tip guard (H). Unscrew the spring
screw (Q) about 1/4 in. (7 mm) to release spring
tension.
H
3. Unscrew the valve seat (B). Remove the gasket (C).
C
B
3A2799D
Q
ti19266a
V
Z
ti19270a
4. Remove one e-clip (U) then push the pin (W) out of
the gun. Remove the screw (H), pivot pin (S), and
trigger (T).
H
U
W
T
5. Loosen the set screw (L) then remove the fluid
housing (R) from the gun body (A).
A
R
L
6. While supporting the spring guide (M) to prevent
bending the needle (D), loosen the set screws (N)
then remove the spring guide (M).
Maintenance
S
U
ti19271a
ti19272a
M
D
N
ti19274a
11
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