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2 Pelco Manual C323SM (9/98)
REVISION HISTORY
Manual # Date Comments
C323SM 9/98 Original version.
LIST OF ILLUSTRATIONS
Figure Page
1 Sealant Locations ..............................................................................5
2 Servicing the PT175-24P and PT180 Series .....................................6
3 Servicing the PT270/PT280 Series....................................................6
4 PT175-24P Exploded Assembly Diagram..........................................7
5 PT180 Series Exploded Assembly Diagram .....................................10
6 PT270 Series Exploded Assembly Diagram .....................................14
7 PT280 Series Exploded Assembly Diagram (Parts) .........................17
8 PT280 Series Exploded Assembly Diagram (Hardware) ..................18
9 PT175-24P Wiring Diagram ..............................................................22
10 PT180 Series Wiring Diagram ..........................................................23
11 PT270 Series Wiring Diagram ..........................................................24
12 PT280-24P/PT280-24SL Wiring Diagram .........................................25
13 PT280-24P/PP Wiring Diagram ........................................................26
14 PT280-24SL/PP Wiring Diagram ......................................................27
CONTENTS
Section Page
1.0 GENERAL ..................................................................................................3
1.1 IMPORTANT SAFEGUARDS AND WARNINGS ...............................3
2.0 DESCRIPTION ..........................................................................................4
2.1 MODELS............................................................................................4
3.0 MAINTENANCE .........................................................................................5
3.1 RESETTING POTENTIOMETERS ....................................................5
3.2 SERVICING DRIVE CHAIN ASSEMBLIES .......................................6
3.2.1 Tightening Drive Chains..........................................................6
3.2.2 Chain Drive Lubrication ..........................................................6
4.0 EXPLODED ASSEMBLY DIAGRAMS .......................................................7
5.0 WIRING DIAGRAMS ................................................................................22
6.0 WARRANTY AND RETURN INFORMATION ...........................................28
LIST OF TABLES
Table Page
A PT175-24P Mechanical Parts List .....................................................8
B PT175-24P Hardware List..................................................................9
C PT180 Series Mechanical Parts List .................................................11
D PT180 Series Hardware List .............................................................13
E PT270 Series Mechanical Parts List .................................................15
F PT270 Series Hardware List .............................................................16
G PT280 Series Mechanical Parts List .................................................19
H PT280 Series Hardware List .............................................................21
I PT280 Series Electrical Parts List ....................................................25