Pelco Security Camera C343SM User Manual

®
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  
 
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 resis-  
tance measurement between line and exposed parts to verify the exposed  
parts have not been connected to line circuitry.  
5. The installation method and materials should be capable of supporting four  
times the weight of the enclosure, pan/tilt, camera and lens combination.  
The product and/or manual may bear the following marks:  
This symbol indicates that dangerous voltage constituting a  
risk of electric shock is present within this unit.  
This symbol indicates that there are important operating and  
maintenance instructions in the literature accompanying this  
unit.  
CAUTION:  
RISK OF  
ELECTRIC SHOCK.  
DO NOT OPEN.  
CAUTION:  
TO REDUCE THE RISK OF ELECTRICAL SHOCK,  
DO NOT REMOVE COVER. NO USER-  
SERVICEABLE PARTS INSIDE. REFER SERVICING  
TO QUALIFIED SERVICE PERSONNEL.  
Please thoroughly familiarize yourself with the information  
in this manual prior to installation and operation.  
Pelco Manual C343SM (12/98)  
3
 
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 RediLINKconnector 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 having to remove the camera enclosure.This makes  
it easy to service the units and to adjust the pan and tilt limit stops.  
2.1 MODELS  
The PT480 Series consists of the following models:  
PT480P  
Medium-duty, indoor/outdoor pan/tilt, 120 VAC.  
PT480P/PP  
PT480-SL  
PT480P with preset positioning capabilities.  
PT480P with 360° pan rotation.  
PT480SL/PP  
PT480-24P  
PT480-24P/PP  
PT480-24SL  
PT480-24SL/PP  
PT480SL with preset positioning capabilities.  
Medium-duty, indoor/outdoor pan/tilt, 24 VAC.  
PT480-24P with preset positioning capabilities.  
PT480-24P with 360° pan rotation.  
PT480-24SL with preset positioning capabilities.  
3.0 MAINTENANCE  
If you need to remove the enclosure, protect the RediLINK™ connector area against  
moisture, dust, dirt, etc. Failure to do so could result in a bad connection. Also,  
damage to the pan and tilt unit or enclosure could occur when power is turned on.  
The following servicing should be done every six months with average use.  
1. Remove the PT480’s outer casing.  
a. Remove the Phillips screw on each side of the pan and tilt unit.  
b. Place your hands under the cover halves. Exert a strong, upward force  
to release the covers from their internal latching devices.  
c. Pull the cover halves away from the pan and tilt unit. Set the covers down  
or hang them by the eyelets inside the covers. (The wire and hook on  
which to hang the covers is not provided.)  
2. Inspect the gaskets around the cover, tilt shaft, and spindle for damage.  
3. Refer to Figure 1. It shows the parts locations of the tilt assembly. Look for  
similar orientations of parts when adjusting the pan assembly.  
4. Check the backlash adjustment.  
Backlash is the slack or binding in a pan and tilt base mount. Determine back-  
lash by lifting the maintenance assembly, grasping the base, and wiggling it.  
There should not be any play or binding between the gear (A) and worm drive  
(B). Play or binding indicates a backlash problem.  
One backlash problem involves a worm and worm gear connection loose  
enough to cause slipping or tight enough to cause binding.  
The second involves a too-loose or too-tight chain, usually causing symp-  
toms similar to the worm and worm gear problem–slipping or binding.  
4
Pelco Manual C343SM (12/98)  
 
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  
the adjustment.  
(3) If you get movement in the base, press a finger down in the middle  
of the worm assembly. If you get no movement in the base, use  
your thumb and forefinger to pull the worm assembly back until you  
get movement.  
(4) When the spacing is correct, tighten the hex screws. Start with the  
middle screw to ensure proper spacing.  
(5) Remove the screw (C) in the gear train nut (D).  
(6) Tighten the gear train nut to remove any play.  
(7) Line up the hole in the gear train nut with the nearest hole in the  
gear train bracket (E).  
(8) Replace the screw.  
b. Refer to Figure 1. Adjust chain tension, if needed:  
(1) Locate the pan or tilt motor on the assembly. Loosen the hex screws  
(H) that hold the motor to its mounting bracket. Depending on which  
motor assembly you are adjusting, there will be either three (pan) or  
four (tilt). (Only two screws are shown in Figure 1.)  
(2) Using a screwdriver, pry the motor down (at G) to tighten for the  
correct chain tension. (You should not be able to freely move the  
motor with your finger, nor should it be so tight that it will not move  
at all as this usually leads to binding.)  
(3) Tighten the hex screws.  
c. Using a controller, you should now be able to move the PT480 without  
looseness or binding. If you have any problems, contact Pelco’s Techni-  
cal Support Department.  
5. Lubricate the chains. Use a Teflon chain lubricant, such as TriFlon™.  
6. Replace the covers.  
a. Grasp one cover half in each hand and position the covers on each side  
of the pan and tilt unit.  
b. Bring the two cover halves together, aligning the two pins in one cover  
half with the mating holes in the other cover half.  
c. When the cover halves are together, press downward to force the covers  
into their latches.  
d. Replace the screws in the covers.  
G
H
Figure 1. Pan and Tilt Adjustments  
Pelco Manual C343SM (12/98)  
5
 
4.0 WIRING DIAGRAMS  
Figure 2. PT480 Series Wiring Diagram  
6
Pelco Manual C343SM (12/98)  
 
5.0 EXPLODED ASSEMBLY DIAGRAMS  
Figure 3. Exploded Assembly Diagram of Mechanical Parts  
Pelco Manual C343SM (12/98)  
7
 
Table A. Mechanical Parts List (Figure 3)  
Item  
Quantity  
Description  
Part Number  
1
2
3
4
1
2
2
1
Cover, pan side  
Ball stud  
9044016COMP  
PT180410000  
9044011COMP  
9048000  
9048010  
9048002  
Ball stud bracket  
Pan motor, 24 VAC  
Pan motor, 120 VAC  
Pan motor gearhead  
Pan motor sprocket  
Pan motor bracket  
Tilt preset potentiometer  
Tilt potentiometer bracket  
Gear, 40 teeth  
Gear, 52 teeth  
Tilt limit ring  
Tilt limit stop  
Actuator, with insulator  
5
6
7
8
9
10  
11  
12  
13  
14  
1
1
1
1
1
1
1
1
2
90010023  
9044009COMP  
POTP010.0K*  
9044014COMP*  
9004018COMP*  
28010016*  
9004012COMP  
1554050COMP  
SWIJS138B  
4
2**  
4
15  
Switch  
SWI1SM1  
2**  
1
1
1
1
1
5
3
1
1
1
1
1
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
Upright, pan side  
Bushing, pan side  
9044002COMP  
PT250010004  
COND226S  
9004015COMP  
9004000COMP  
90010002  
90010001  
90010024  
90010006  
26-pin, subminiature, D-type socket  
Tilt shaft connector guide  
Tilt shaft feed-through  
Thrust washer, .030"  
Thrust bearing  
Thrust washer, .060"  
Bronze bushing  
Cross-brace uprights  
Upright, tilt side  
9044008COMP  
9044001COMP  
9001009  
Worm gear, 40 teeth  
9004024COMP***  
9004025COMP****  
90010022  
9048000  
9048010  
9048001  
9044010COMP  
90010023  
PCB9041120ASSY  
9044017COMP  
9004030COMP  
5804006COMP*****  
90010029  
9044007COMP  
1554049COMP*****  
250010000***  
28010000******  
9004017COMP***  
28  
29  
1
1
Sprocket  
Tilt motor, 24 VAC  
Tilt motor, 120 VAC  
Tilt motor gearhead  
Tilt motor bracket  
Sprocket  
Circuit board assembly, 24 VAC  
Cover, tilt side  
Pan spindle  
Pan limit stop  
Bronze bushing  
Base  
Pan limit stop  
Slip ring  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
1
1
1
1
1
1
3
1
1
1
1
41  
1
Preset gear, pan spindle  
9004022COMP****  
42  
43  
44  
1
1
1
Pan potentiometer bracket  
Gear, 56 teeth  
Pan preset potentiometer  
9004008COMP  
90010020*  
POTDARM010.0K***  
POTP010.0K****  
9004009COMP  
5806005  
5806003  
5806002  
90010008  
45  
46  
47  
48  
49  
2
4
8
4
2
Gear train nut  
Bronze bushing  
Thrust washer  
Thrust bearing  
Worm  
*
PP models only  
*** SL/PP model only  
** All SL models  
**** Non-360° PP models  
Continued on next page  
8
Pelco Manual C343SM (12/98)  
 
Table A. Mechanical Parts List (Continued)  
Item  
Quantity  
Description  
Part Number  
50  
51  
52  
53  
54  
55  
2
1
1
1
2
1
Gear train bracket  
3-position bar nut  
Sprocket  
Pan spindle nut  
Ball stud receiver  
Grommet, 3/8" ID  
Grommet, 1/4" ID  
Wire clamp  
9004005COMP  
9004006COMP  
90010022  
9004019COMP  
90010030  
GRO2175  
GRO2170**  
56  
1
9004020COMP*****  
9004021COMP**  
9004023COMP  
15510000*****  
1554051COMP*****  
90010017  
57  
58  
59  
60  
61  
62  
2
2
1
1
1
1
Eyelet service bracket  
Snap ring  
Pan limit switch bracket  
Wave spring  
Grommet  
Worm gear  
GRO2172N*****  
90010009  
The following items are not shown:  
63  
64  
65  
66  
67  
68  
69  
1
1
1
6
1
2
1
Pan chain assembly, 22 pitch  
Tilt chain assembly, 28 pitch  
2-position plastic connector  
3-position plastic connector  
6-position plastic connector  
Cover labels  
9041006ASSY  
9041005ASSY  
CON640428-2  
CON640428-3  
CON640428-6  
LBL19000  
Dust protector, 26-pin, subminiature,  
D-type socket  
90010025  
70  
71  
72  
73  
1
37  
1
37-pin connector plug (installed on cable)  
Connector pins  
Cable connector clamp  
37-pin connector socket assembly  
(loose equipment)  
CON206305-1  
CON66400-1  
CON206138-1  
1
CONA37S  
Includes 37-position housing, boot,  
sockets, cable clamp  
*
PP models only  
*** SL/PP model only  
**** Non-360° PP models  
***** Not on SL models  
****** SL model  
** All SL models  
Pelco Manual C343SM (12/98)  
9
 
Figure 4. Exploded Assembly Diagram of Hardware  
10  
Pelco Manual C343SM (12/98)  
 
Table B. Hardware Parts List (Figure 4)  
Item  
Quantity  
Description  
Part Number  
A
8
Motor mount hardware  
Supplied with motor  
and gearhead  
B
C
D
E
F
3
1
11  
8
Allen screw, 10-32 x .625-inch  
Spindle mount gasket  
Flat washer, #10  
Allen screw, 8-32 x 3/8-inch  
Split lock washer, #8  
ZH10-32X.625CS  
90010012  
ZH204X436X60C  
ZH8-32X.375CS  
ZH8LWSSL  
8
G
H
I
J
K
L
3
3
9
25  
4
Screw, 2-56 x 3/8-inch, pan head, Phillips  
Internal star washer, #2  
Screw, 4-40 x 3/8-inch, pan head, Phillips  
Internal star washer, #4  
Screw, 8-32 x 1/4-inch, pan head, Phillips  
Internal star washer, #8  
ZH2-56X.375SRS  
ZH2LWSIS  
ZH4-40X.375SPP  
ZH4LWSIS  
ZH8-32X.250SPP  
ZH8LWSIS  
2
M
N
O
P
Q
R
S
T
8
12  
3
2
2
6
8
8
Screw, 2-56 x 7/16-inch, pan head, Phillips  
Screw, 6-32 x 1/2-inch, flat head, Phillips  
Screw, 10-32 x 1/2-inch, flat head, Phillips  
Screw, 4-40 x 5/8-inch, pan head, Phillips  
Roll pin  
Allen bolt, 1/4-20 x 1/2-inch  
Flat washer, 1/4  
Split lock washer, 1/4  
ZH2-56X.437SPP  
ZH6-32X.500SPS  
ZH10-32X.500CFS  
ZH4-40X.625SPP  
ZHPIN3/32X3/4R  
ZH1/420X1.50SS  
ZH260X562X65C  
ZH1/4LWSSL  
U
V
W
X
Y
Z
2
2
14  
2
2
Screw, 10-32 x .875-inch, gray  
Thread sealing washer  
Screw, 4-40 x .250-inch, pan head, Phillips  
Screw, 6-32 x .375-inch, pan head, Phillips  
Allen bolt, 1/4-20 x 3/4-inch  
ZH10-32X.875GRY  
PS3010002  
ZH4-40X.250SPP  
ZH6-32X.375SPP  
ZH1/420X.750SS  
ZH1/420X.750SFS  
3
Bolt, 1/4-20 x 3/4-inch, flat head, Phillips  
AA  
BB  
CC  
DD  
EE  
FF  
GG  
HH  
II  
1
2
2
2
1
1
1
3
1
2
Self-tapping screw, 6-32  
Roll pin  
Allen screw, 4-40 x .250-inch  
Dowel pin  
Cover gasket  
Tilt shaft gasket  
Set screw, 6-32 x 3/16-inch  
Split lock washer, #10  
Spindle cover gasket  
Cable clamp  
ZH6-SAX.250CPP  
ZHPIN3/32X3/8R  
ZH4-40X.250SS  
90010004  
90410011  
90010014  
ZH6-32X.187S  
ZH10LWSSL  
90010003  
LL  
ZH8913  
Pelco Manual C343SM (12/98)  
11  
 
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-2X, MC3651H-2, and CC3651H-2X camera models, which have a five-year  
warranty.  
Two years on standard motorized or fixed focal length lenses.  
Two years on Legacy®, CM6700/CM6800/CM9700 Series matrix, and DF5/DF8 Series  
fixed dome products.  
Two years on Spectra®, Esprit®, ExSite, and PS20 Scanners, including when used in continuous  
motion applications.  
Two years on Esprit® and WW5700 Series window wiper (excluding wiper blades).  
• Eighteen months on DX Series digital video recorders, NVR300 Series network video recorders, and  
Endura™ Series distributed network-based video products.months on DX Series digital video  
recorders, NVR300 Series network video recorders, EnduraSeries distributed network-based video  
products, and TW3000 Series twisted pair transmission products.  
• One year (except video heads) on video cassette recorders (VCRs). Video heads will be covered for a  
period of six months.  
• Six months on all pan and tilts, scanners or preset lenses used in continuous motion applications  
(that is, preset scan, tour and auto scan modes).  
Pelco will warrant all replacement parts and repairs for 90 days from the date of Pelco shipment. All  
goods requiring warranty repair shall be sent freight prepaid to Pelco, Clovis, California. Repairs made  
necessary by reason of misuse, alteration, normal wear, or accident are not covered under this  
warranty.  
Pelco assumes no risk and shall be subject to no liability for damages or loss resulting from the  
specific use or application made of the Products. Pelco’s liability for any claim, whether based on  
breach of contract, negligence, infringement of any rights of any party or product liability, relating to the  
Products shall not exceed the price paid by the Dealer to Pelco for such Products. In no event will  
Pelco be liable for any special, incidental or consequential damages (including loss of use, loss of  
profit and claims of third parties) however caused, whether by the negligence of Pelco or otherwise.  
The above warranty provides the Dealer with specific legal rights. The Dealer may also have additional  
rights, which are subject to variation from state to state.  
If a warranty repair is required, the Dealer must contact Pelco at (800) 289-9100 or (559) 292-1981 to  
obtain a Repair Authorization number (RA), and provide the following information:  
1. Model and serial number  
2. Date of shipment, P.O. number, Sales Order number, or Pelco invoice number  
3. Details of the defect or problem  
If there is a dispute regarding the warranty of a product which does not fall under the warranty  
conditions stated above, please include a written explanation with the product when returned.  
Method of return shipment shall be the same or equal to the method by which the item was received by  
Pelco.  
RETURNS  
In order to expedite parts returned to the factory for repair or credit, please call the factory at (800)  
289-9100 or (559) 292-1981 to obtain an authorization number (CA number if returned for credit, and  
RA number if returned for repair).  
All merchandise returned for credit may be subject to a 20% restocking and refurbishing charge.  
Goods returned for repair or credit should be clearly identified with the assigned CA or RA number and  
freight should be prepaid. Ship to the appropriate address below.  
If you are located within the continental U.S., Alaska, Hawaii or Puerto Rico, send goods to:  
Service Department  
Pelco  
3500 Pelco Way  
Clovis, CA 93612-5699  
If you are located outside the continental U.S., Alaska, Hawaii or Puerto Rico and are instructed to  
return goods to the USA, you may do one of the following:  
If the goods are to be sent by a COURIER SERVICE, send the goods to:  
Pelco  
3500 Pelco Way  
Clovis, CA 93612-5699 USA  
If the goods are to be sent by a FREIGHT FORWARDER, send the goods to:  
Pelco c/o Expeditors  
473 Eccles Avenue  
South San Francisco, CA 94080 USA  
Phone: 650-737-1700  
Fax: 650-737-0933  
® Pelco, the Pelco logo, Spectra, Esprit, Genex, Legacy, and Camclosure are registered trademarks of Pelco.  
™ Endura and ExSite are trademarks of Pelco.  
© Copyright 1998, Pelco. All rights reserved.  
12  
Pelco Manual C343SM (12/98)  
 

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