c. If the table bumps and grinds when tilting, check the tilt chain tension. It may
be too loose.
d. If the table locks are inoperative, one or more of the following conditions may
exist.
(1)
A control switch malfunction.
(2)
The lock's circuit breaker may be open.
(3)
Check for a loose cable connection.
(4)
Check for a fault in the lock-control PCB.
(5)
The locks may be improperly adjusted.
e. If the lock(s) hum loudly, check the following.
(1)
A failed filter capacitor on the lock.
(2)
Locks improperly adjusted.
f. If the fluoroscopic carriage movement binds or drifts, check the following.
(1)
A guide bearing which is adjusted too tightly.
(2)
Look for dirt or foreign matter in the bearing path.
(3)
The problem could be a broken bearing.
(4)
Observe the cabling to see if it's catching or rubbing on other objects.
(5)
The table may not be level.
g. If the longitudinal carriage binds during movement, check for the following.
(1)
A guide bearing adjusted too tightly.
(2)
Look for dirt or foreign matter in the bearing path.
(3)
(4)
Look for cabling which is catching or rubbing on other objects.
(5)
Check all of the counterweights for the above conditions.
MD0351
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