Ametek 5000 Instrument Manual page 26

SOLE PURPOSE
LOCKWASHER
(TOOTH IF ON PAINT)
SOLE PURPOSE
LOCKWASHER
(TOOTH IF ON PAINT)
CIRCUIT GROUND
Circuit ground cannot be removed for servicing fan without disturbing
incoimg main ground. No lockwasher. Stud not sole purpose.
Figure 5f: Proper and Improper Protective Ground Connections
2-8 5000 Multi Point Moisture Analyzer
GROUND STUD
NUT
Proper Single Ground Screw
GROUND STUD
NUT
Circuit ground can be removed for servicing independently of
incoimg main ground. No lockwasher. Stud not sole purpose.
Proper Multiple Ground on Single Screw
NUT
Improper Multiple Ground on Single Screw
RING TONGUE
TERMINAL RING
CHASSIS
RING TONGUE
TERMINAL RING
CIRCUIT GROUND
INCOMING
MAIN GROUND
CHASSIS
Sole Purpose
Ground Stud
FAN MOUNTING STUD
INCOMING
MAIN GROUND
FAN FRAME
Chassis
INCOMING
MAIN GROUND