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Rycom 8879, User Manual, Page: 24 / 24

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Rycom 8879 User Manual Download Page 24

Factory Service

Packing Instructions

The RYCOM 8879 were designed for dependable operation with recommended yearly
adjustment or calibration. If, however, your 8879 Series is not working properly, first call
the factory to receive an RMA number, then return it to the factory for repair. Send it pre-
paid to: 

RYCOM Instruments, Inc.
9351 East 59th Street
Raytown, Missouri 64133 USA
816.353.2100 or 800.851.7347
Fax: 816.353.5050

We will repair and ship the instrument back within 10 working days, or advise you if the
instrument is unrepairable.

Note: There is a minimum charge for repair and handling.

When shipping your 8879 for service, be sure to include:

a) name, address, and phone number of your contact
b) a brief description of the trouble
c) the return shipping address and department mail address, along 

with any special shipping instructions

d) or contact us for a “Return for Service Form”
e) RMA number

Remove all batteries, and place the unit in the original shipping carton, or equivalent
sturdy container. Add packing material around all sides of the unit. Seal the shipping
container with strong tape. Mark the shipping container:

FRAGILE ELECTRONIC EQUIPMENT

Warranty

T

HIS INSTRUMENT IS UNDER WARRANTY FOR ONE YEAR FROM THE DATE OF DELIVERY AGAINST DEFECTS IN

MATERIAL AND WORKMANSHIP

(

EXCEPT BATTERIES

). W

E WILL REPAIR OR REPLACE PRODUCTS THAT

PROVE TO BE DEFECTIVE DURING WARRANTY PERIOD

.

T

HIS WARRANTY IS VOID IF

, 

AFTER HAVING RECEIVED THE INSTRUMENT IN GOOD CONDITION

, 

IT IS SUBJECTED

TO ABUSE

, 

UNAUTHORIZED ALTERATIONS OR CASUAL REPAIR

.

N

O OTHER WARRANTY IS EXPRESSED OR IMPLIED

. T

HE WARRANTY DESCRIBED IN THE PARAGRAPH SHALL BE

IN LIEU OF ANY OTHER WARRANTY

, 

INCLUDING BUT NOT LIMITED TO

, 

ANY IMPLIED WARRANTY OF MER

-

CHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE

. W

E ARE NOT LIABLE FOR CONSEQUENTIAL DAMAGES

.

23

Summary of Contents for 8879

Page 1: ...cator RYCOM Instruments 9351 East 59th Street Raytown MO 64133 816 353 2100 800 851 7347 Fax 816 353 5050 www rycominstruments com rycom rycominstruments com Part Number 030 00086 00 now that the world is wired where in the world is your wire ...

Page 2: ...ption 4 AC Charger 4 Automotive Charger Power Pack 4 Direct Connection 5 Coupler Connection 5 Inductive Connection 6 Blind Search 6 Notes on Selecting the Tracing Signal 7 RECEIVER OPERATION 8 9 Locating the Cable or Pipe 10 Selecting the Locating Mode 10 Peak Mode Locating 10 11 Null Mode Locating 11 Absolute Signal Strength 12 Signal Strength Adjusted for Depth current measurement 12 Gain Change...

Page 3: ...1 TRANSMITTER RECHARGEABLE 001 00217 00 USER S MANUAL 030 00078 00 TRAINING VIDEO 035 00001 00 RED BLACK CORD LARGE CLAMP 151 00052 00 GROUND ROD 211 00015 01 AC CHARGER 750 00014 00 AC CHARGER 230 VOLT 750 00003 00 RECHARGEABLE TRANSMITTER ONLY DC CHARGER 750 00016 00 6 DURACELL C BATTERIES 770 00022 00 8 DURACELL D BATTERIES 770 00023 00 NON RECHARGEABLE TRANSMITTER ONLY Prepare for Use Unpack y...

Page 4: ...s 1 time every 3 seconds it is indicating a nearly open circuit refer to page 6 for details LOW BAT Indicator When the LOW BAT indicator is on it is time to change the batteries in the TRANSMITTER The output will cycle every 20 seconds to indicate a low battery condition TX ON The TX ON indicates the TRANSMITTER is on OUTPUT FREQUENCY CONTROL The frequency button toggles through the frequencies li...

Page 5: ...ff Doing so will drain the bat tery to the point where it will not accept a charge Load Values for Direct Connection Note When the load indicator does not blink in the 815 Hz mode this indicates the RED BLACK CORD needs to be plugged in NUMBER OF BLINKS IMPEDANCE Ω 4 blinks per second 5 Ω 15 Ω circuit 15 Ω 100 Ω circuit 100 Ω 400 Ω circuit 400 Ω 1800 Ω circuit 1800 Ω open circuit 1 blink per secon...

Page 6: ...nd HARD COUPLER are very easy to use and services do not have to be inter rupted The operation range is shorter than for Direct Connection methods The tracing signal can be affect ed by neighboring cables and pipes The RED BLACK TEST CORD or the GROUND ROD are not needed for this method Successful COUPLER operation requires an insulated conductor that is grounded on both near and far ends Loop the...

Page 7: ...ignal carried by the cable Start tracing the path with the RECEIVER 25 feet 7 5 meters from the TRANSMITTER Search in the 90º zone as shown above Locate the cable or pipe and follow the path If the signal becomes weak move the TRANSMITTER to a point 25 feet behind the last strong signal and continue searching The Blind Search locating techniques is used if the operator is not aware if a buried uti...

Page 8: ...nected shield bonds or insulated pipe bushing 8 kHz takes the best of both high and low frequency This mid range frequency is not very susceptible to bleed off or coupling but it can jump impedance on the utility better than the 815 Hz It is still best to use 815 Hz but 8 kHz is one of the most common frequencies used to locate coaxial cable and telecom pairs The 82 kHz higher frequency is sometim...

Page 9: ...NE and SONDE use the LINE SONDE key GAIN Button Up or Down Used to adjust the gain level for the receiver When the GAIN button is pressed the RECEIVER will adjust the gain up or down If the signal strength shows as on the display and a GAIN up or down key is pressed the unit will automatically adjust to 90 on the scale display BUBBLE LEVEL For 45 Degree Depth DISPLAYS ABSOLUTE SIGNAL STRENGTH OR D...

Page 10: ...on to measure the amount of current that is flowing while in the 815 Hz 8 kHz or 82 kHz frequency modes Note The CURRENT button will not work when in the 50 60 Hz frequency modes MODE Press the MODE button to toggle between PEAK PINIPOINT PEAK and NULL locating modes VOLUME Press VOLUME button to toggle the volume of the device from High Medium Low and Off When this key combo is pressed the volume...

Page 11: ...itter Selecting the Locating Mode Peak or Null Press the MODE button to select the desired Peak or Null locating method Peak Mode Locating Keep the RECEIVER in a vertical position Move the RECEIVER left to right across the path When the RECEIVER is directly above the cable or pipe rotate the RECEIVER for a maximum signal As you move the RECEIVER away from the cable path the meter reading and audio...

Page 12: ...er reading and lowest audio tone will occur When moving the RECEIVER to left or right of the NULL point the meter reading will rise to a maximum point PEAK The audio tone will also be at its highest pitch When the RECEIVER is moved beyond the PEAK the meter reading will begin to fade Trace the path by walking away from the TRANSMITTER at a moderate pace Move the RECEIVER to the left and right when...

Page 13: ...termine which is the target conductor By using the current measurement feature of the 8878 RECEIVER the opera tor can determine the amount of 815 Hz 8 kHz or 82 kHz current flowing on the conductors regardless of the depth The highest current flow indicates the target conductor Begin this measurement by locating the path of the cables to be compared Mark these locations as accu rately as possible ...

Page 14: ...ipe Move to the location where you want to measure the depth Stay at least 15 feet 4 6 meters away from the TRANSMITTER Pin point this location as accurately as possible see Peak Mode Locating page 19 Null Mode Locating page 20 and Absolute Signal Strength page 21 Place the RECEIVER vertically over the conductor and rest the foot of the locator on the ground While holding the RECEIVER vertical pre...

Page 15: ...ement by repeating the above steps on the oppo site side of the pipe or cable A variance greater than 5 inches 12 7 cm in depth measurement may indicate the presence of additional buried cables pipes or other objects 14 Tilted Magnetic Field Identification When adjacent cables or pipes are present they will sometimes create locating errors Some of the TRANSMITTER signal is picked up by the adjacen...

Page 16: ...uring the path and fault locate Once the path is determined and there is a general area where a fault is expected additional current can be forced to flow through the fault by disconnecting and isolating the far access point If the current has no path to ground at the far access point it will be forced to seek ground at the fault This will increase the cur rent in the soil at the fault and detecti...

Page 17: ...s As you near an area of high current concentration in the soil the GROUND ROD or the fault the RECEIVER will record higher and higher readings You will find it necessary to reduce the RECEIVER S sensitivity by pressing the GAIN CONTROL button Once the signal starts to increase you should slow down and take smaller steps covering smaller segments of ground to avoid passing the fault The RECEIVER w...

Page 18: ...at the side of the paved area Since the return current in the soil begins its return from the fault like the spokes of a wheel laying on the ground equal amounts of current will enter the GRP if it is placed on the ground and positioned broadside to the fault A NULL will be record ed when the exact broadside is accomplished The GRP adjustments can be made by slightly rotating the GROUND RETURN PRO...

Page 19: ...ng coupling to allow the SONDE to move easier Or if you are needing to attach the SONDE to a sewer snake or an auger it is recommended you use duct tape and apply as the shown in the figure below If taping the SONDE on a metal pushing device it is recommended to place the battery side of the SONDE closest to the device This will allow for the best performance Wrap the snake for approximately 1 foo...

Page 20: ... signals the user is confirming the accuracy of the locate Locating a Sonde Start by following the suspected path of the pipe and use the 8879 RECEIVER to locate the SONDE Stop locat ing when the PEAK reading is found Then rotate the RECEIVER as shown in the figure below When pivot ing the RECEIVER do not change the vertical position The RECEIVER will indicate a PEAK when the RECEIVER antenna is i...

Page 21: ...LL Mark this point B Next measure the distance between these two points The depth of the pipe is 0 7 times the distance between the two points The 8879 is specially designed to measure the SONDE depth digitally To use this feature the RECEIVER must be placed in the position shown in the diagram above The RECEIVER antenna must be in line with the SONDE The RECEIVER must also be in the SONDE mode Lo...

Page 22: ...t to 15 feet Manual Bubble level triangulation for verification of automatic readout in congested environments Intermittent 82 hours 10 minute auto shut off 6 C Duracell alkaline batteries 30 3 x 3 75 x 9 4 77cm x 9 5cm x 23 9cm Analog LCD bargraph Absolute Signal Strength readout 0 999 Up down button for automatic centering and manual control 126 dB 3 pounds 1 36kg Display indicated relative curr...

Page 23: ...12W AF 06W 1 33W AF 0 67W RF Rechargeable 12V 7amp hr maintenance free sealed lead acid battery 120VAC wall mount charger included 12V automotive power pack optional Intermittent 40 60 hours 25 duty cycle average Intermittent 50 70 hours 25 duty cycle average Disposable 8 D Duracell alkaline batteries 16 x 6 32 x 5 40 6cm x 16cm x 12 7cm 8 pounds 3 6kg D batteries 11 5 pounds 5 2kg rechargeable ba...

Page 24: ...h any special shipping instructions d or contact us for a Return for Service Form e RMA number Remove all batteries and place the unit in the original shipping carton or equivalent sturdy container Add packing material around all sides of the unit Seal the shipping container with strong tape Mark the shipping container FRAGILE ELECTRONIC EQUIPMENT Warranty THIS INSTRUMENT IS UNDER WARRANTY FOR ONE...

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