109
©2006 Sunrise Medical
SEATING SECTION
If the resistance is open, follow the cable to an-5.
other cable leading to the actuator.
Disconnect this connector and check armature 6.
resistance through the pins indicated in the photo
(Fig 3.108). Nominal resistance is 6-8 ohms when
the actuator is in mid-stroke and greater than 1
meg ohm when at either extremity.
Replace the 6-pin cable leading from the QMAC to 7.
the cable leading to the actuator if the resistance
is correct
Replace the actuator if the resistance is out of 8.
tolerance and the actuator does not run. Refer to
Recline Actuator Removal section in this manual.
On the QMAC, move the Shear actuator cable 9.
from its port to another port (i.e. Tilt). Operate the
Shear system. If the system operates correctly,
replace the QMAC. Refer to the Recline Actuator
Removal section in this manual.
Check armature resistance through the pins indi-4.
cated in the photo (Fig 3.107). Nominal resistance
is 6 to 8 ohms when the actuator is in mid-stroke
and greater than 1 MΩ when at either extremity.
Fig 3.107
Fig 3.108
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