Removing The Treadmill Hood - Cardiac Science ST 55 Service Manual

Repair/Replacement and Calibration

Removing the Treadmill Hood

If the preamp for the Q-Stress system is attached to the handrail, remove the preamp
1.
from the handrail before attempting to remove the hood.
Turn off the circuit breaker on the treadmill hood, then unplug the treadmill and the
2.
stress monitor from the power outlets. If the emergency stop button is installed,
remove the emergency stop cable from the treadmill configuration plate.
WARNING! Electric shock hazard.
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.
Metal cap
Phillips-head
screws (4)
Configuration
plate
Hood screws
(1 on each
side of hood)
Disconnect the stress monitor system cable from the treadmill.
3.
Use a flathead screwdriver to remove the metal cap on each handrail near the front of
4.
the hood. Use a 3/16 in. hex wrench to loosen the hex head socket screw inside.
Pull the handrail up and out. If necessary, first use a screwdriver to pry the seals loose.
5.
Be careful not to damage them.
Remove the four Phillips-head screws from the configuration plate.
6.
Remove the five Phillips-head screws holding the hood to the headframe: three at the
7.
front, below the label panel, and one on each side of the hood.
Lift the hood straight up and off. (With hard-wired power cords, feed the cord
8.
through the hood.)
To replace the hood, perform steps 1-8 in reverse order.
9.
70-00298-01 A
5-4
Power Cord
Hood screws (3 front)
1/4-20 x 0.50L
Ext. Star Lock Washer
TM 55/65 Treadmill 4.0