Cardiac Stress Treadmills Service Manual Repair/Replacement and Calibration 4-3
Removing the Treadmill Hood
1. If the preamp for the Q-Stress system is attached to the handrail,
remove the preamp from the handrail before attempting to remove the
hood.
2. Turn off the circuit breaker on the treadmill hood, then unplug the
treadmill and the stress monitor from the power outlets. If the
emergency stop button is installed, remove the emergency stop cable
from the treadmill configuration plate.
Warning! To prevent high voltage electrical shock, wait at least two
minutes from the time you unplug the power cords before
working on or around any electrical or mechanical
component under the hood.
High voltage units
: Disconnect the power cord and the
emergency button cable (if present) from the configuration
plate and remove the power cord retainer bracket.
3. Disconnect the stress monitor system cable from the treadmill.
4. Use a flathead screwdriver to remove the metal cap on each handrail
near the front of the hood. Use a 3/16 in. hex wrench to loosen the hex
head socket screw inside.
5. Pull the handrail up and out. If necessary, first use a screwdriver to
pry the seals loose. Be careful not to damage them.
6. Remove the four Phillips-head screws from the configuration plate.
7. Remove the five Phillips-head screws holding the hood to the
headframe: three at the front, below the label panel, and one on each
side of the hood.
8. Lift the hood straight up and off. (With hard-wired power cords, feed
the cord through the hood.)
9. To replace the hood, perform steps 1-8 in reverse order.
Metal cap
Configuration
plate
Power Cord
Hood screws (3 front)
1/4-20 x 0.50L
Ext. Star Lock Washer
Phillips-head
screws (4)
Hood screws
(1 on each
side of hood)
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