Husky Unify - Removing and Installing the Sprue Heater (if Equipped); Removing a Sprue Heater with a Built-In Thermocouple; Removing a Sprue Heater with a Separate Thermocouple

NOTE:
If the hot runner is still in the machine the cooling water can be turned on to cool the hot runner
down.
13. Install the cavity plate. Refer to Section 6.14 for more information.
6.17 Removing and Installing the Sprue Heater (If Equipped)
The following procedures describe how to remove and install a sprue heater with a built-in
thermocouple or a separate thermocouple.
6.17.1
Removing a Sprue Heater with a Built-In Thermocouple
To remove a sprue heater that has a built-in thermocouple, do the following:
1. If necessary, remove the hot runner from the machine. Refer to Section 4.2.2 for more
information.
2. Disconnect the sprue heater and thermocouple wires from the multi-pin connectors.
1
4
3
2
1
Figure 6-46: Removing the Sprue Heater
1. Retaining Clip 2. Lead Exit 3. Sprue Heater and Thermocouple 4. Sprue Bushing
3. Remove the sprue heater and thermocouple wires from the wire channels in the manifold
plate.
4. Remove the retaining clip from the sprue bushing.
5. Remove the sprue heater and thermocouple from the sprue bushing.
6.17.2
Removing a Sprue Heater with a Separate Thermocouple
To remove a sprue heater that has a separate thermocouple, do the following:
1. If necessary, remove the hot runner from the machine. Refer to Section 4.2.2 for more
information.
2. Disconnect the sprue heater and thermocouple wires from the multi-pin connectors.
v 2.2 — March 2021 Unify Manifold System
112 Removing and Installing the Sprue Heater (If Equipped)