QM-7 SERIES SERVICE MANUAL
PAGE 7.15
JANUARY 2012
SUNRISE MEDICAL
Section 7
Elevate Actuator Removal
1. Locate the ISM control box on the back of the
chair and disconnect all of the wires that connect
to the Lift Module. (
fi
gure 7.15.3) Remove/
unattach the the lift module from the base.
fig. 7.15.3
Shear Actuator Removal
1. Once the recline actuator is removed, locate
the ISM control box on the back of the chair and
disconnect it by unplugging the 6-Pin connector.
(
fi
gure 7.15.1)
2. Using a 7/16" open-end wrench and a 3/16"
hex wrench, remove the top and bottom mounts
(
fi
gure 7.15.1)
Note: In order to remove the Shear actuator, the Gas strut and Recline actuator must be
removed fi rst. Refer to the previous pages for details.
3. Lift the actuator out of the back shroud by
pulling the top mount out towards the back of the
chair, and then remove the Shear Actuator from
the bottom mount. (
fi
gure 7.15.2)
4. Reverse the process to reinstall a new Shear
Actuator.
fig. 7.15.2
fig. 7.15.1