GAC — Actuator Installation to Pump
A GAC service procedure — check it applies to your exact model before use.
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Before you start
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Procedure
- Clean the mounting surfaces of the actuator and the pump.
- Remove the gasket and screws from kit KT296. The gasket fits between the actuator and pump.
- Apply a small amount of high temperature gasket sealant, such as RTV silicone, to the pump side of the gasket. Align the gasket on the pump side to get the most complete coverage.
- Place the rear mounting side of actuator over the pump rack and linkage on the bearing retainer plate.
- Attach the actuator to the pump using two of the four screws and washers included with KT295, through the upper mounting holes. Tighten screws securely to 6.6 lbf\u00b7ft [9 N\u00b7m] taking care to compress the gasket evenly.
- Push the lower mounting bar against the bearing retainer plate and tighten the two bottom nuts onto the pump studs to 10 N\u00b7m (7.3 lbf\u00b7ft).
- If necessary for access, loosen the two hex nuts that hold the front set screw bracket to gain access to the lever area.
Specs & torque values
- Upper mounting screws torque: 6.6 lbf\u00b7ft [9 N\u00b7m]
- Lower mounting nuts torque: 10 N\u00b7m (7.3 lbf\u00b7ft)
Source: manual:295-Series Pump Mounted Actuator with Position Feedback Sensor.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.