Manual 36532 D
YNA 70025 Integrated Actuator
QCC LLC 1
Chapter 1.
I
nstallation Instructions
This manual provides instructions on the installation and calibration of the DYNA
70025 integrated actuator for Stanadyne “D” series injection pumps.
Removal of Existing Governor Control Cover
1. Clean exterior of pump with solvent and dry with compressed air before
removing the governor control cover. Place a suitable container under the
fuel injection pump to catch any fuel that may spill when removing the
cover.
2. Remove the fuel return line from the pump’s return line connector
assembly. Use two wrenches to loosen. See Figure 1.
3. Remove the return line connector assembly from the governor control
cover using care not to allow dirt to enter the injection pump. Remove
and discard the return line connector O-ring. Set aside the return line
connector for later installation on the new actuator cover assembly.
4. Remove the electric shutoff (ESO) solenoid wire from the governor
control cover. Trace the solenoid wire back to its source. Remove and
discard the wire.
CAUTION: Do not use this wire to power the new integrated actuator.
5. Loosen the three cover screws and remove the governor control cover
assembly from the pump. Save all three screws for later installation of the
integrated actuator cover assembly.
Figure 1
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