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Needle/Nozzle Assembly Repair or
Replacement
WARNING
INJECTION AND HOT MATERIAL
HAZARDS
To reduce the risk of serious injury from
fluid injection or contact with hot material:
Lock the piston rod safety whenever you stop
dispensing.
Close the fluid manifold needle valves
completely with the nut driver provided before
servicing the gun; this will isolate the fluid pres-
sure in the manifold and fluid hose.
The needle/nozzle assembly (5) can be replaced as
one complete assembly, part no. 236–310. See Fig. 6.
Fig. 6
Or it can be repaired with the Needle/Nozzle Kit (5d),
part no. 236–287. See Fig. 7.
5e
5d
Wiper seal (5e) is included with the needle/nozzle kit (5d)
Fig. 7
Remove the Needle/Nozzle Assembly:
1. Lock the piston rod safety (C) and close the fluid
manifold needle valves (3a) with the nut driver
(49). See Fig. 8.
Maintenance
Fig. 8
5
2. Loosen the one fluid manifold screw (3b) with the
3. Clean out both manifold ports; be careful not to
4. Loosen the two nozzle head screws (4e).
Fig. 9
C
Turn clockwise to close needle valve.
Turn counterclockwise to open needle valve.
3/16" hex wrench (47), and disconnect the man-
ifold (3) from the nozzle head (4). See Fig. 9.
mix material while cleaning.
49
3a
47
3
3b
4e
4
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