Summary of the content on the page No. 1
®
PT175-24P
PT180 Series
PT270 Series
PT280 Series
Light Duty Pan/Tilt
Maintenance/
Service Manual
C323SM (9/98)
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
Summary of the content on the page No. 2
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 ..................................................................
Summary of the content on the page No. 3
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. Unless the unit is specifically marked as a NEMA Type 3, 3R, 3S, 4, 4X, 6, or 6P enclosure, it is designed for indoor use only and it must not be installed where exposed to rain and moisture. 3. The weight of the camera, lens, and enclosure s
Summary of the content on the page No. 4
2.0 DESCRIPTION The PT175-24P is a light duty, indoor/outdoor pan and tilt unit capable of handling enclosure, camera and lens combinations weighing up to 20 lb. The PT175-24P is equipped with 24 VAC motors. The PT180-24P and PT180-24SL are light duty, indoor pan/tilt units capable of handling all enclosure, camera and lens combinations up to 20 lb (9.08 kg) in weight. The PT180-24P and PT180-24SL are equipped with 24 VAC motors. The PT180-24SL has the added feature of 360° pan rotation and bot
Summary of the content on the page No. 5
3.0 MAINTENANCE PT175-24P Only If your pan/tilt is installed in an inverted position, apply RTV silicone sealant to the areas circled in Figure 1 after you reinstall the cover. 3.1 RESETTING POTENTIOMETERS PT280-24P/PP and PT280-24SL/PP Models Only IMPORTANT: Be very careful when resetting potentiometer Models with preset positioning (PP) use potentiometer switches that are factory set switches. Be sure that the pan/tilt to the full range of pan and tilt travel. Under normal operating conditi
Summary of the content on the page No. 6
3.2 SERVICING DRIVE CHAIN ASSEMBLIES Inspect the pan/tilt unit every six months to ensure trouble-free operation and an extended product life. Harsh environments and/or continuous motion applications may require more frequent maintenance. Please read all of the instructions that follow before servicing the pan/tilt. To begin, remove the three screws on the front of the pan/tilt housing and lift the cover to gain access to the pan and tilt motor assemblies. 3.2.1 Tightening Drive Chains Check t
Summary of the content on the page No. 7
4.0 EXPLODED ASSEMBLY DIAGRAMS Figure 4 . PT175-24P Exploded Assembly Diagram Pelco Manual C323SM (9/98) 7
Summary of the content on the page No. 8
Table A. PT175-24P Mechanical Parts List Item Quantity Description Part Number 11 Tilt Side Plate 1554038COMP 21 Pan Side Plate 1554039COMP 31 Bottom Plate 1554055COMP 41 Tilt Shaft Assembly 1551009COMP 51 Tilt Table 1554037COMP 61 Cover 1554041COMP 71 Pull Up Bar 1554042COMP 81 Tilt Gear 1554144COMP 91 Hub Tilt Gear 6804049COMP 10 1 Plate Backup Tilt Gear 1554046COMP 11 1 Body Spacer 1554047COMP 12 1 Pan Limit Pin 1554049COMP 13 1 Tilt Limit Pin 1554049TCOMP 14 2 Tilt Limit Stops 1554050COMP 1
Summary of the content on the page No. 9
Table B. PT175-24P Hardware List Item Quantity Description Part Number A4 Snap Ring 15510000 B2 Pin Dowel 1/8" X 5/8" Hardened Steel 15510001 C2 Pin Dowel 1/8" X 1/2" Hardened Steel 15510003 D1 Pin, taper #1 x 1-1/4 17510000 E4 Gasket,1/8" X 1/2" X FT EH550010030 F2 Grommet #AN931-3-5 GRO2172N G1 Bolt, 1/4-20 x 5/8" Hex C/S SS ZH1/420X.625CH H6 Bolt, 1/4-20 x 3/4" flat HdPhil SS ZH1/420X.750SFS I1 Washer, internal star, 1/4" SS ZH1/4LWSIS J— Not used K1 Set Screw 10-32 x 3/16” Soc Knur Blk ZH1
Summary of the content on the page No. 10
Figure 5. PT180 Series Exploded Assembly Diagram 10 Pelco Manual C323SM (9/98)
Summary of the content on the page No. 11
Table C. PT180 Series Mechanical Parts List Item Qty Description Part Number 14 Ring, Snap 15510000 24 Gasket 1/8” x 1/2” #G207N x Feet EH550010030 32 Pin Dowel 1/8” x 1/2” Hardened Steel 15510003 41 Plate, Side, Tilt 1554038COMP 51 Plate, Side, Pan 1804000COMP 61 Plate, Bottom 1554055COMP 71 Tilt Shaft Assy 1551009COMP 82 Pin, Dowel 1/8”x5/8” Hardened Steel 15510001 91 Gear Tilt 1554144COMP 10 1 Hub, Tilt Gear 6804049COMP 11 1 Plate, Backup, Tilt Gear 1554046COMP 12 1 Tilt Table 1554037COMP 13
Summary of the content on the page No. 12
Table C. PT180 Series Mechanical Parts List (continued) Item Qty Description Part Number 63 1 Cover, Slip Ring Adapter (SL only) SL28004002COMP 64 1 Mount, PM200C/SB3-1 (SL only) PM200C4000COMP 65 1 Bearing #B46-2 5806005 66 1 Connector, Lens Mating 6 Pos (Not shown) CONMAS6100 67 1 Strain Relief #1147 Heyco (Not shown) STRSP5N-4 12 Pelco Manual C323SM (9/98)
Summary of the content on the page No. 13
Table D. PT180 Series Hardware List Item Qty Description Part Number A4 Acorn Nut, 6-32 SS ZH6-32NUTCA B4 Screw, 8-32 x 1/2” Soc C/S SS ZH8-32X.500CS C10 Split lock washer, #8 SS ZH8LWSSL D4 Set Screw, 6-32 x 3/4” SS ZH6-32X.750SS E6 Hex Nut, 6-32 SS ZH6-32NUTSH F6 Washer, internal star, #6 SS ZH6LWSIS G2 Screw, 8-32 x 1/2” Pan Phil SS ZH8-32X.500SPP H12Washer, Flat #10 AN960C-10 x .064 SS ZH204X436X60C I2 Washer, Flat 1/2 AN-960-816 ZH515X875X62 J3 Screw, 8-32 x 3/8” Pan Phil SS ZH8-32X.375SPP
Summary of the content on the page No. 14
Figure 6. PT270 Series Exploded Assembly Diagram 14 Pelco Manual C323SM (9/98)
Summary of the content on the page No. 15
Table E. PT270 Series Mechanical Parts List Item Qty Description Part Number 14 Snap ring, #Q2-18 15510000 21 Pin pan limit 1554049COMP 31 Pin tilt limit 1554049TCOMP 42 Tilt limit stop 1554050COMP 51 Bracket tilt limit 1554052COMP 62 Cover plate, tilt 1554053COMP 71 Pin, #1 x 1-1/4" taper 17510000 81 Nut, spindle 25010002 91 Clamp cable 2504007COMP 10 1 Spacer, tilt collar 2504015COMP 11 2 Bearing, pan spindle 2506000 12 2 Bearing, Tilt FB68-31/4 2506001 13 1 Plate, side tilt 2704001COMP 14
Summary of the content on the page No. 16
Table F. PT270 Series Hardware List Item Qty Description Part Number A4 Bolt, 1/4-20 x 5/8, phil flat, SS ZH1/4-20X.625SFS B2 Screw, 10-32 x 1/2", socket head, C/S, SS ZH10-32X.437CS C6 Screw, 10-32 x 1/2", socket head, SS ZH10-32X.500CS D8 Split lock washer, #10, SS, medium ZH10LWSSL E8 Flat washer, #10, SS ZH204X.436X60C F8 Screw, 2-56 x 7/16", pan phil, SS ZH2-56X.437SPP G1 Set screw, 10-32 x 3/8", socket knurl, black Supplied with #19 H1 Set screw, 10-32 x 3/16", socket knurl, black ZH10-32
Summary of the content on the page No. 17
Figure 7. PT280 Series Exploded Assembly Diagram (Parts) Pelco Manual C323SM (9/98) 17
Summary of the content on the page No. 18
Figure 8. PT280 Series Exploded Assembly Diagram (Hardware) 18 Pelco Manual C323SM (9/98)
Summary of the content on the page No. 19
Table G. PT280 Series Mechanical Parts List Item Qty Description Part Number 14 Snap ring (P, P/PP, and SL/PP models) 15510000 2 Snap ring (SL model) 15510000 21 Pan limit pin (P and SL) 1554049COMP 1Pan limit pin (P/PP) 2804003COMP - Not used (SL/PP) 31 Tilt limit pin 1554049TCOMP 42 Tilt limit stop 1554050COMP 51 Tilt limit bracket 1554052COMP 62 Tilt table cover plate 1554053COMP 71 Tapered pin (except SL) 17510000 81 Spindle nut 25010002 91 Cable clamp (P and P/PP) 2504007COMP 10 1 Tilt col
Summary of the content on the page No. 20
Table G. PT280 Series Mechanical Parts List (continued) Item Qty Description Part Number 48 1 Tilt potentiometer bracket (P/PP & SL/PP) 2804015COMP 49 1 Pan spindle preset gear (P/PP & SL/PP) 2804016COMP 50 1 Tilt shaft preset gear (P/PP & SL/PP) 2804020COMP 51 1 9-position connector (P/PP and SL/PP) CON206705-1 52 1 Dual arm potentiometer (SL/PP) POTDARM010.0K 53 1 Precision 10K potentiometer (SL/PP) POT010.0K 2 Precision 10K potentiometer (P/PP) POT010.0K 20 Pelco Manual C323SM (9/98)
