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®
PT480
®
Legacy Series
Pan/Tilts
Maintenance/
Service Manual
C343SM (12/98)
Pelco • 3500 Pelco Way, Clovis • CA 93612-5699 USA • www.pelco.com
In North America and Canada: Tel (800) 289-9100 or FAX (800) 289-9150
International Customers: Tel (1-559) 292-1981 or FAX (1-559) 348-1120
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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 ..................................................................
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1.0 GENERAL 1.1 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 and conform to all local codes. 2. The weight of the camera/lens and enclosure shall not exceed 20 lb (9.07 kg) – subject to specific pan/tilt unit. 3. Only use replacement parts recommended by Pelco. 4. After replacement/repair of this unit’s electrical components, conduct a
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2.0 DESCRIPTION ® The PT480 Legacy Series pan/tilt units are designed for medium-duty, indoor/ outdoor use. ® Only the EH4700L Legacy Series environmental enclosures can be mounted on ™ the pan/tilt units. Pelco’s RediLINK connector makes it simple and quick for you to install an enclosure. The weight of the enclosure with camera and lens must not exceed 20 pounds (9.07 kg). You can easily remove the clamshell covers from the sides of the pan/tilt units to access all internal parts without havi
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a. Verify that the worm drive (B) is fully seated in the worm gear (A). If it is not: (1) Locate the worm-driven gear for either the pan or the tilt motor link- age. Loosen the three hex screws (F) holding the worm in place, but leave enough thread in place to hold the assembly on the mount. (2) Using your thumbs, gently move the worm forward or pull the as- sembly back from the worm gear to either tighten or loosen the gear spacing to the worm gear. Move the base of the pan and tilt to check th
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4.0 WIRING DIAGRAMS Figure 2. PT480 Series Wiring Diagram 6 Pelco Manual C343SM (12/98)
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5.0 EXPLODED ASSEMBLY DIAGRAMS Figure 3. Exploded Assembly Diagram of Mechanical Parts Pelco Manual C343SM (12/98) 7 8 9 11 12 10 13 16 17 60 18 19 20 21 7 22 6 23 5 24 4 62 14 15 41 26 25 40 27 52 53 46 15 57 51 50 14 3 59 58 28 29 2 39 47 61 30 1 31 49 48 32 33 46 54 45 38 37 44 34 42 21 43 22 36 21 35 56 55
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Table A. Mechanical Parts List (Figure 3) Item Quantity Description Part Number 11 Cover, pan side 9044016COMP 22 Ball stud PT180410000 32 Ball stud bracket 9044011COMP 41 Pan motor, 24 VAC 9048000 Pan motor, 120 VAC 9048010 51 Pan motor gearhead 9048002 61 Pan motor sprocket 90010023 71 Pan motor bracket 9044009COMP 81 Tilt preset potentiometer POTP010.0K* 91 Tilt potentiometer bracket 9044014COMP* 10 1 Gear, 40 teeth 9004018COMP* 11 1 Gear, 52 teeth 28010016* 12 1 Tilt limit ring 9004012COMP
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Table A. Mechanical Parts List (Continued) Item Quantity Description Part Number 50 2 Gear train bracket 9004005COMP 51 1 3-position bar nut 9004006COMP 52 1 Sprocket 90010022 53 1 Pan spindle nut 9004019COMP 54 2 Ball stud receiver 90010030 55 1 Grommet, 3/8" ID GRO2175 Grommet, 1/4" ID GRO2170** 56 1 Wire clamp 9004020COMP***** 9004021COMP** 57 2 Eyelet service bracket 9004023COMP 58 2 Snap ring 15510000***** 59 1 Pan limit switch bracket 1554051COMP***** 60 1 Wave spring 90010017 61 1 Gromme
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Figure 4. Exploded Assembly Diagram of Hardware 10 Pelco Manual C343SM (12/98)
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Table B. Hardware Parts List (Figure 4) Item Quantity Description Part Number A8 Motor mount hardware Supplied with motor and gearhead B3 Allen screw, 10-32 x .625-inch ZH10-32X.625CS C1 Spindle mount gasket 90010012 D11 Flat washer, #10 ZH204X436X60C E8 Allen screw, 8-32 x 3/8-inch ZH8-32X.375CS F8 Split lock washer, #8 ZH8LWSSL G3 Screw, 2-56 x 3/8-inch, pan head, Phillips ZH2-56X.375SRS H3 Internal star washer, #2 ZH2LWSIS I9 Screw, 4-40 x 3/8-inch, pan head, Phillips ZH4-40X.375SPP J25
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6.0 WARRANTY AND RETURN INFORMATION WARRANTY Pelco will repair or replace, without charge, any merchandise proved defective in material or workman- ship for a period of one year after the date of shipment. Exceptions to this warranty are as noted below: • Five years on FT/FR8000 Series fiber optic products. ® • Three years on Genex Series products (multiplexers, server, and keyboard). ® • Three years on Camclosure and fixed camera models, except the CC3701H-2, CC3701H-2X, CC3751H-2, CC3651H-2
