Page 2 - CONTENTS; Section; LIST OF ILLUSTRATIONS; Figure
2 Pelco Manual C373SM-A (8/01) CONTENTS Section Page IMPORTANT SAFEGUARDS AND WARNINGS ................................................................ 4DESCRIPTION ................................................................................................................... 5 MODELS .............
Page 3 - LIST OF TABLES; Table
Pelco Manual C373SM-A (8/01) 3 LIST OF TABLES Table Page A PT1250 Series Mechanical Parts List ............................................................... 10 B PT1250 Series Hardware List ........................................................................... 13 C PT1250DC Series Parts List ...
Page 4 - IMPORTANT SAFEGUARDS AND WARNINGS; Only use replacement parts recommended by Pelco.
4 Pelco Manual C373SM-A (8/01) IMPORTANT SAFEGUARDS AND WARNINGS Prior to installation and use of this product, the following WARNINGS should be observed. 1. Installation and servicing should only be done by qualified service personnel andconform to all local codes. 2. Unless the unit is specificall...
Page 5 - DESCRIPTION; MODELS; Same as PT1250P except supplied with high-speed gears (12
Pelco Manual C373SM-A (8/01) 5 DESCRIPTION All heavy duty pan/tilts can operate with loads up to 100 pounds (45.4 kg). Rugged high-torque motors with adjustable worm-gear final drives ensure long operational life and drift-free operation. All models are manufactured from cast and/or plate aluminum w...
Page 6 - OPTIONS
6 Pelco Manual C373SM-A (8/01) PT1250DC/PP Same as PT1250DC except supplied with position feedbackmodification. Requires preset control or control with AZL option (panelreadout meters) PT1250DC/RAD Same as PT1250DC except supplied with radiation resistant wiring andwhite epoxy paint. Low level radia...
Page 7 - MAINTENANCE; TIGHTENING DRIVE CHAINS; Loosen the screws securing the motor to the mounting frame.; CHAIN DRIVE LUBRICATION; Apply additional grease if necessary.
Pelco Manual C373SM-A (8/01) 7 MAINTENANCE Inspect the pan/tilt unit every six months to ensure trouble-free operation and an extendedproduct life. Harsh environments and/or continuous motion applications may require morefrequent maintenance. Please read all of the instructions that follow before se...
Page 8 - RESETTING POTENTIOMETERS; Replace the potentiometer gear.; Figure 2. Sealant Locations; MOTOR BRAKE REPLACEMENT; Use the knife blade to remove the worn pads, as follows:; Be very; WARNING
8 Pelco Manual C373SM-A (8/01) RESETTING POTENTIOMETERS Models with Preset Positioning (PP) Models with preset positioning (PP) use potentiometer switches that are factory set to thefull range of pan and tilt travel. Under normal operating conditions and at routine serviceintervals they do not need ...
Page 9 - EXPLODED ASSEMBLY DIAGRAMS
Pelco Manual C373SM-A (8/01) 9 EXPLODED ASSEMBLY DIAGRAMS Figure 3. PT1250 Series Exploded Assembly Diagram (Mechanical Parts)
Page 10 - Table A. PT1250 Series Mechanical Parts List; Item
10 Pelco Manual C373SM-A (8/01) Table A. PT1250 Series Mechanical Parts List Item Qty Description Part Number 1 1 Gasket 105010010 2 1 Pan spindle nut 10504017COMP 3 1 Thrust cap (except WT, RAD models) 10504076COMP 1 Thrust cap (WT and RAD only) 10504076WCOMP 4 1 Tilt gear 10504084COMP 5 1 Pan gear...
Page 12 - Figure 4. PT1250 Series Exploded Assembly Diagram (Hardware)
12 Pelco Manual C373SM-A (8/01) Figure 4. PT1250 Series Exploded Assembly Diagram (Hardware)
Page 13 - Table B. PT1250 Series Hardware List
Pelco Manual C373SM-A (8/01) 13 Table B. PT1250 Series Hardware List Item Qty Description Part Number A 4 Screw, 1/4-20 x 1/2" ZH1/420X.500CH B 5 Allen bolt, 1/4-20 x 5/8" ZH1/420X.625CS C 4 Bolt, 1/4-20 x 3/4" ZH1/420X.750CH D 6 Screw 1/4-20 x 1", flat-head, Phillips ZH1/420X1.00SFS...
Page 14 - Figure 5. PT1250DC Series Exploded Assembly Diagram
14 Pelco Manual C373SM-A (8/01) Figure 5. PT1250DC Series Exploded Assembly Diagram
Page 15 - Table C. PT1250DC Series Parts List
Pelco Manual C373SM-A (8/01) 15 Table C. PT1250DC Series Parts List Item Qty Description Part Number 1 1 Gasket connector 105010010 2 1 Pin tapper #5 x 2" 105010017 3 1 Nut, pan spindle 10504017COMP 4 1 Thrust cap 10504076COMP 5 1 Gear tilt 10504084COMP 6 2 Thrust collar 10504085COMP 7 1 Gear, p...
Page 17 - Table D. PT1253R Mechanical Parts List
Pelco Manual C373SM-A (8/01) 17 Table D. PT1253R Mechanical Parts List Item Qty Description Part Number 1 1 Gasket, connector 105010010 2 1 Nut, pan spindle black no. 8 10504017COMP 3 1 Thrust cap 10504076COMP 4 1 Gear, tilt 10504084COMP 5 1 Gear, pan 10504089COMP 6 2 Bearing 6208-ZZ 10506009 7 2 Be...
Page 19 - Table E. PT1253R Hardware List
Pelco Manual C373SM-A (8/01) 19 Table E. PT1253R Hardware List Item Qty Description Part Number A 4 Screw, 1/4-20 x .500 soc ZH1/420X.500CS B 5 Bolt, 1/4-20 x 5/8" sock SS ZH1/420X.625CS C 4 Bolt, 1/4-20 x 3/4" hex SS ZH1/420X.750CH D 6 Screw, 1/4-20 x 1" flat phil SS ZH1/420X1.00SFS E 9...
Page 23 - ly Diag
Pelco Manual C373SM-A (8/01) 23 Figure 9. PT1260EX and PT1260EX/PP Exploded Assemb ly Diag ram (Mechanical P arts)
Page 24 - Table G. PT1260EX Series Mechanical Parts List
24 Pelco Manual C373SM-A (8/01) Table G. PT1260EX Series Mechanical Parts List Item Qty Description Part Number 1 — Not used — 2 1 Nut, pan spindle 10504017COMP 3 1 Thrust cap 10504076COMP 4 1 Gear, tilt 10504084COMP 5 1 Gear, pan 10504089COMP 6 2 Bearing, pan shaft 10506012 7 — Not used — 8 1 Chain...
Page 25 - Table H. PT1260EX Series Hardware List
Pelco Manual C373SM-A (8/01) 25 Table H. PT1260EX Series Hardware List Item Qty Description Part Number A — Not used — B 6 Screw, 8-32 x 1/2" Hex socket head ZH8-32X.500CS C — Not used — D — Not used — E — Not used — F 6 Lockwasher #6 internal star ZH6LWSIS G — Not used — H 8 Flat, washer #10 ZH...
Page 32 - Pot, dual arm pre res
32 Pelco Manual C373SM-A (8/01) Table K. PT1280P/PP and PT1280SL/PP Mechanical Parts List (Continued) Item Qty Description Part Number 60 1 Pot model 534 5K OHM POT005.0K10534 (P/PP only) Pot, dual arm pre res POTDARM01.0K (SL/PP only) 61 1 Gear potentiometer TV12000 (P/PP only) Gear 1.875 plastic P...
Page 34 - WIRING DIAGRAMS; Table M. PT1250 Series Electrical Parts List; Parts are for all models unless specified otherwise; Symbol; Switch
34 Pelco Manual C373SM-A (8/01) WIRING DIAGRAMS Table M. PT1250 Series Electrical Parts List Parts are for all models unless specified otherwise Symbol Description Part Number C1, C2 Capacitor, 6 MFD, 250 VAC (except 220 model) CAPU0006.0/250N Capacitor, 1.5 MFD, 400 V (220 model only) 12508016 C3 C...
Page 36 - Table N. PT1250DC Electrical Parts List; Quantity
36 Pelco Manual C373SM-A (8/01) Table N. PT1250DC Electrical Parts List Quantity Symbol Description Manufacturer Part Number 8 C1-8 Capacitor .0047/1kv CDE CAPU0.0047/1000 4 C9-12 Capacitor .1/400V Sprague CAPU0000.1/400 4 L1-4 Choke 100mh Miller CHO5250 2 M1-2 Motor Pelco MR02-0002-3104 1 P1 Connec...
Page 37 - Table O. PT1250DC/PP Electrical Parts List
Pelco Manual C373SM-A (8/01) 37 Table O. PT1250DC/PP Electrical Parts List Quantity Symbol Description Part Number 8 C1-8 Capacitor .0047/1kv CAPU0.0047/1000 4 C9-12 Capacitor .1/400V CAPU0000.1/400 4 L1-4 Choke 100mh CHO5250 2 M1-2 Motor MR02-0002-3104 1 P1 Connector CON206036-1 4 R1-4 Resistor 47 ...
Page 40 - CAP 1MF AX
40 Pelco Manual C373SM-A (8/01) Table P. 12501007ACOMP Frame Scan Parts List Schematic Quantity Component Description Part Number C7 1 CAP 500PF 600V radial CAPP0500.0/500 C2 1 CAP .022MF 100V AZ CAPU00.022/100 C4A, C6A 2 CAP .01M 1000V radial disc CAPU000.01/1000 C3, C4 2 CAP .01MF 16V radial CAPU0...
Page 41 - Table Q. PT1250EX/AMS Electrical Parts List
Pelco Manual C373SM-A (8/01) 41 Table Q. PT1250EX/AMS Electrical Parts List Symbol Description Part Number C1, C2 Capacitor, 6 MFD, 250 VAC CAPU0006.0/250N C3 Capacitor, 1 MFD, 600 V CAPU0001.0/600 M1, M2 Pan and tilt motors 12508110 — Motor gearhead 12508111 — Potentiometer, 5K ohm POT005.0K10534 S...
Page 48 - REVISION HISTORY; WARRANTY AND RETURN INFORMATION
48 Pelco Manual C373SM-A (8/01) REVISION HISTORY Manual # Date Comments C373SM 1/99 Original version. C373SM-A 8/01 Revised description of PT1260EX Series and changed part numbers for the pan shaft bearings and the tilt shaft in the parts list.Reference ECO #01-7128. WARRANTYPelco will repair or rep...