Rayco RG74T-R Operator, Service, Maintenance Manual Download Page 52

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RG74T-R Operator · Service · Maintenance

12"

PLUG '12'

ECM

TYPE 'J'

Terminal Legend
A - DEUTSCH HDP26-24-31SE (24-31 PLUG W/SOCKETS)

B - BUSSMANN HHG OR EQ.

C - DEUTSCH HD10-9-1939P W/NICKEL PLATED TERMINALS IN'A' & 'B' AND GOLD PLATED TERMINALSIN 'C' & 'D'

D - TYCO/AMP 927770-3, 828904-1; CARLING WCH CONNECTOR 190-31214-001

E - DEUTSCH DT06-3S, W/W3S-1939-P012 WEDGELOCK, & GOLD PLATED TERMINALS

F - DEUTSCH DT06-3S, W/W3S WEDGELOCK

G - DEUTSCH DT06-2S, W/W2S WEDGELOCK

H - HELLA RELAY CONNECTOR KIT H84-709-011 OR EQ.

J - DELPHI 13964572 96 WAY, W/COVER LEVER 15494614 OR COVER LEVER W/ORANGE TAB 13964580,

RUBBER BOOT 13957208 & STRAIN RELIEF 13856709

K - WEATHER PACK PLUG #12015792 (W/FEMALE TERM. & SEAL)

L - RING TERMINAL FOR 5/16" STUD - INSULATED - W/ADH. HEAT SHRINK

M - RING TERMINAL FOR #8-32 STUD - INSULATED - W/ADH. HEAT SHRINK

N - RING TERMINAL FOR #10 STUD - INSULATED - W/ADH. HEAT SHRINK

P - RING TERMINAL FOR #3/8 STUD - INSULATED - W/ADH. HEAT SHRINK

Q - RING TERMINAL FOR #1/4 STUD - INSULATED - W/ADH. HEAT SHRINK

R - DELPHI 150 SERIES 3 PIN (12110293), DELPHI TERMINAL (12048074), DELPHI LOCK (12052845)

S - DEUTSCH DT06-3S, W/W3S-P012 WEDGELOCK, & GOLD PLATED TERMINALS

T - DEUTSCH DT06-6S, W/W6S WEDGELOCK

U - DEUTSCH DTM04-4P, W/WM-4P WEDGELOCK

V - DEUTSCH DT04-3P, WITH (3) 114017 PLUG

W- RING TERMINAL FOR 1/2" STUD - INSULATED - W/ADH. HEAT SHRINK

X - DEUTSCH DT04-3P-P007

Y- DEUTSCH DT06-3S-P006

Z - VTE SERIES 212 (212N1V02) OR EQ. (RED)

AA- RESISTOR- 1K OHM, 2W (NEWARK 78R4771 OR EQ.)

BB- DEUTSCH HDC16-9-JDL DUST CAP W/ TETHER CORD

PLUG '47'

IGNITION

TYPE 'T'

PLUG '48'

E-STOP

TYPE 'U'

PLUG '03'

DIAGNOSTIC

TYPE 'C' AND "BB"

PLUG '07'

RECEIVER CAN

TYPE 'E', 'X', 'Y'

PLUG '46'

ECM CAN

TYPE 'E' AND 'X'

PLUG '45'

COOLANT LEVEL

TYPE 'R'

ALTE

TYPE 'P'

ALT FUSE (ST) 125A TYPE 'L'

STARTER B+

TYPE 'W'

PLUG '10'

RUN PWR

RELAY

TYPE 'H'

PLUG '09'

RECEIVER

INTERCONNECT

TYPE 'G'

STARTER B-

TYPE 'W'

ALT FUSE (ALT) 125A TYPE 'L'

ALTERNATOR -

TYPE 'P'

PLUG '49'

DISPLAY INTERCONNECT

TYPE 'F' & 'V'

PLUG '37' CW PUMP TYPE 'G'

PLUG '08'

HYD OIL LVL

TYPE 'F'

PLUG '13'

COMMAND

CUT

SWING CONTROL

VALVE

TYPE 'G'

HYD

TEMP

TYPE 'N'

HYD

TEMP

TYPE 'N'

ECU FUSE 30A

TYPE 'M'

#8 RING

PLUG '20'

WATER IN

FUEL

TYPE 'G'

KEY FUSE 20A

TYPE 'M'

#8 RING

START SOL PWR

TYPE 'L' & 'Z'

5/16 RING

STARTER PWR TYPE 'L' & 'Z'

5/16 RING

PREHEAT SOL SIG

TYPE 'N' #10 RING

PREHEAT SOL GRD

TYPE 'N' #10 RING

START SOL SIG

TYPE 'N' #10 RING

START SOL GRD

TYPE 'N' #10 RING

PLUG '21'

CW MOTOR

TYPE 'G'

PLUG '11'

ECM CAN

TYPE 'E' AND 'X'

12"

36"

18"

16"

10"

15"

12"

32"

12"

18"

12"

20"

12"

20"

114"

18"

12"

28"

20"

STARTER SOL

TYPE 'Q'

ENGINE

GRD

TYPE 'P'

ENGINE

GRD

TYPE 'P'

COM GRD

BATTERY

TYPE 'P' 3/8 RING

PLUG '02'

DISPLAY FUSE 20A

TYPE 'B'

28"

12"

COM GRD

BATTERY

TYPE 'P' 3/8 RING

PLUG '04'

THROTTLE SWITCH

TYPE 'D'

12"

LOOM

PLUG '19'

CHARGE

FILTER

TYPE 'G'

NOTE: CONNECTOR '01' PIN # 01-3, 01-4 FOR

CAN-BUS TO BE GOLD PLATING OVER NICKEL.

ALL OTHERS TO BE NICKEL PLATED.

28"

START SOL FUSE

30A TYPE 'M'

#8 RING

RUN PWR FUSE

30A TYPE 'M'

#8 RING

PLUG '01'

DISPLAY

TYPE 'A'

#50

RESISTOR

TYPE "AA"

WIRE LENGTH

TOLERANCE

LESS THAN 6"

+1/4" -0"

6" TO 40"

+1/2" -0"

40" TO 100"

+3/4" -0"

100" TO 200"

+1" -0"

GREATER THAN 200"

+1-1/2" -0"

Main Wiring Harness 35170-G

Summary of Contents for RG74T-R

Page 2: ...nderstandallinstructionsbefore attempting to operate this machine This manual should be readily available for reference at all times Additional copies of this manual may be purchased from Rayco This Rayco machine was designed and manufactured by RaycoManufacturing Inc Wooster Ohio Duetocontinuous improvements Rayco reserves the right to make changes in engineering design and specifications or disc...

Page 3: ...RG74T R Operator Service Maintenance 800 392 2686 3 Table of Contents TABLE OF CONTENTS Foreword 4 Safety 10 Operation 24 Maintenance 36 Specifications 62 Warranty 65 ...

Page 4: ... please consult your Rayco dealer for the latest available information Safety The safety section lists basic safety precautions In addition this section may include text and locations of warning signs and labels used on the machine Read and understand the basic precautions listed in the safety section before operating or performing lubrication maintenance and repair on this machine Parts Partsarer...

Page 5: ...uipment or before you repair the equipment Know the width of your equipment in order to maintain proper clearance with you operate the equipment near fences or near boundary obstacles Be aware of high voltage power lines and power cables that are buried If the machine comes in contact with these hazards seriousinjuryordeathmayoccurfromelectrocution Wear a hard hat protective glasses and other prot...

Page 6: ...0hp class stump cutters and meets Tier 4 Final emissions without complex after treatment systems Compared to the competition the difference is clear Cummins QSF3 8 diesel engine meets Tier 4 Final Stage IV emissions Does not require Diesel Exhaust Fluid DEF Does not utilize Diesel Particulate Filter DPF Large displacement engine produces 74hp 295ft lbs torque Rubber track undercarriage retracts to...

Page 7: ...System Cutter Cutter Pump Variable displacement axial piston Cutter Motor Fixed displacement axial piston Cutter Pump Displacement Electronic controlled with neutral start Command Cut Swing speed control and horsepower optimizer Filter Easy access suction filter and pressure filter Cutter System Pressure Relief 5000 PSI Lift swing cylinders 2 bore x 7 3 8 stroke 1 1 8 rod Oil Type Tellus T46 Hydra...

Page 8: ...r the number of produced 01 Two digit month 01 Jan 02 Feb etc 17 Two digit year 17 2017 18 2018 etc It is attached to the machine at the location shown For ready reference record it in the boxes provided on the inside front cover of this manual For reference on communication regarding the engine record its model and serial numbers also in the boxes provided on the inside front cover of this manual...

Page 9: ...ion Identification Numbers Model Number Serial Number Machine Engine Implement Implement Dealer Information Name Address Dealer Contact Phone Number Hours Sales Parts Service Serial number is located as shown Use the below table to record identification numbers and dealer information ...

Page 10: ...e not specifically recommended by Rayco you must use it only if you have accurately evaluated it and found that it threatens no one s safety You should also ensure that the product will not be damaged or made unsafe by the operation lubrication maintenance or repair procedures that you choose The procedures described in this Safety section may not be fully explained here but a more complete explan...

Page 11: ...NSI Z89 1 and DO NOT wear under chin strapping while operating or within the operation area of the Horizontal Grinder Eyeprotection mustconformtoANSIZ87 1andbethewrap aroundstyle Alwaysweartheeyeprotectionwhenoperating or working within the operational area of the machine Hearing Protection Plug type ear protection or full ear coverage devices muff type shall be worn at all times when operating or...

Page 12: ...re can penetrate body tissue Fluid penetration can cause serious injury and possible death A pin hole leak can cause sever injury If fluid is injected into your skin you must get treatment immediately Seek treatment from a doctor that is familiar with this type of injury Asbestos Information Rayco recommends the use of only genuine Rayco replacement parts Use the following guidelines when you hand...

Page 13: ...ne is running Never jump across the starter solenoid terminals in order to starttheengine Unexpectedmachinemovementcouldresult Wheneverthereareequipmentcontrollinkages theclearance in the linkage area will change with the movement of the equipment or the machine Stay clear of areas that may have a sudden change in clearance with machine movement or equipment movement Avoid contact with the rotatin...

Page 14: ... remove the hydraulic tank filler cap Batteries Electrolyte is an acid Electrolyte can cause personal injury Do not allow electrolyte to contact the skin or the eyes Alwayswearprotectiveglassesforservicingbatteries Wash hands after touching the batteries and connectors Use of gloves is recommended Fire Explosion Prevention All fuels most lubricants and some coolant mixtures are flammable Flammable...

Page 15: ...oper procedure of mounting the fire extinguisher Ether Starting Fluid Ether is flammable and poisonous Use ether in well ventilated areas Do not smoke while you are replacing an ether cylinder or while you are using an ether spray Do not store ether cylinders in living areas or in the operator compartment of a machine Do not store ether cylinders in directsunlightorintemperaturesabove49 C 120 F Ke...

Page 16: ...rements for the guards Consult your Rayco dealer for additional information Precautions for Welding on FRAME with ENGINE MACHINE Electronic Control Unit ECU Important ALWAYSdisconnectElectronicControlUnit ECU connectors battery and engine control system to machine ground before welding on engine or machine High currents or electrostatic discharge in electronic components from welding may cause per...

Page 17: ...achine capacity Never straddle a wire cable Never allow personnel to straddle a wire cable Know the maximum dimensions of your machine Observe all applicable local government regulations when you use this machine All personnel using this Machine must be trained in the operation safety and maintenance repair procedures Careless use of this Equipment could result in serious injury or even death ALLP...

Page 18: ...acks This may also decrease the weight on the uphill tires The decreased weight will cause the machine to be less stable Heightofmachineworkingload Whentheworkingloads are in higher positions machine stability is reduced Operated equipment Be aware of performance features of the equipment in operation and the effects on machine stability Operating techniques Keep all attachments or pulled loads lo...

Page 19: ...plies energy to the equipment in case of mechanical energy a block may be used to stop the release of stored energy Securely place a tag on each energy source disconnect or energy release block Before the removal of a lockout tag out the following must be completed 1 Removal of all non essential items 2 Check to see that all workers and bystanders are located in a safe position 3 Inform all affect...

Page 20: ...ckingup Therearofthemachine maynotbevisiblefromthetowingvehicle Itisrecommended to use a spotter outside the vehicle Be aware of the length of the EQUIPMENT while turning parking crossingintersections andinalldriving situations When arriving at the work site do not set up the EQUIPMENT under a tree that is being pruned cut or worked on Important Towing Information PREVENTWHIPPINGbyproperlyloadingt...

Page 21: ...n front end alignment and tires may affect the vehicle s ability to tow the auto transport trailer Have an authorized repair facility inspect and repair your vehicle BEFORE towing To find the capabilities of the engine transmission and axles of your vehicle for towing refer to the owner s manual or check with an authorized dealer TOWING EQUIPMENT REQUIREMENTS Hitches must be able to tow the weight...

Page 22: ...fore loading your vehicle in tow make sure the trailer is securely attached to your tow vehicle hitch Make sure the safety chains are properly connected During the loading process keep bystanders at least 25 feet away Make sure that the entire width of the tires will be on the ramps before driving on the ramps Approach ramps slowly check angle of machine to insure proper alignment with trailer the...

Page 23: ...RG74T R Operator Service Maintenance 800 392 2686 23 Safety ...

Page 24: ...RG74T R Operator Service Maintenance 24 Operation 3 5 6 8 1 4 11 2 7 4 9 10 12 13 ...

Page 25: ...of personnel 6 Check the stumps to be removed for embedded nails wire metal fence posts and for rocks or other buried impediments which may become dangerously thrown or cause unexpected machine movements when encountered by the cutting wheel 7 Ensure that everyone in the vicinity is aware of the DANGER ZONE associated with this machine See diagram above Everyone must avoid the DANGER ZONE at all t...

Page 26: ...ather start ing aids Follow the man u fac tur er s recommended procedure when using starting aids Always change the hydraulic oil filter at the prop er times Do not allow the engine to run with out the filter installed Failure to heed either direc tive will result in poor machine performance and se vere damage Non Remote Start Up Insert the key a and turn the ignition switch to the RUN position th...

Page 27: ...o re link the transmitter and receivertogether Opensidecompartment locatednexttothe hydraulic tank as shown and follow the steps listed below Disconnect gray a black b connector to the boom LCM Remove the Receiver Board from the boom LCM enclosurewithascrewdriverorsimilarmetalobject Press the config button c locatedonthecorneroftheboard RemovethebatterydoorontheTransmitteranddepress andholdthebutt...

Page 28: ...andCut valveislocated next to the hydraulic tank Track Expansion Retract Place machine on level ground Lift machine with blade and boom to elevate tracks Expandtrackstofull51 orretracttrackstolessthan36 Lower machine to ground Blade Transition for Transporting The RG74T R comes equipped with a 50 1 2 wide blade For convenience of trasporting through gates or to load and unload on and off a trailer...

Page 29: ...ypad is removed from compartment plug in the keypad connector 8 with the harness 6 fastened in the side compartment along the fuel tank side as shown Twist the plastic cover cap 7 on the back of the machine where the display is Plug the keypad harness into the receptacle Connecttheotherendoftheharnesstotheplugofthekeypad 4 5 6 7 8 16 15 12 10 19 17 14 13 11 9 18 20 9 Left Track Forward 10 Left Tra...

Page 30: ...ing wheel DO NOT use the cutting wheel or boom to stop the swinging motion Inspect the machine for damage if the boom as been swung too hard into the stump or side of a hole BEFORE ENGAGING THE CUTTER WHEEL THE OPERATOR MUST ENSURE THE AREA IS CLEAR OF ANYONE OR ANYTHING THAT MAY BE HARMED BY THE CUTTER WHEEL OR FLYING DEBRIS THE STUMP CUTTER S CUTTING WHEEL IS EXTREMELY POWERFUL CONTACT WITH THE ...

Page 31: ... 2 75 deep bite After the first bite is taken lower the cutting wheel about 2 while is off to the side and swing the cutting wheel across for another bite Continuerepeatingthisprocedureuntilalloftheamount of stump in the path of the downward swing of the cutting wheel is gone 4 Cut another level of the stump Raise the cutting wheel above the stump once again and starting with the cutting wheel swu...

Page 32: ...lable from Rayco Loading Machine onto Rayco Trailer Slowly drive the machine forward and align it with the trailer Position the blade all the way up Unlock and lower the trailer ramps Drive the machine forward so that the tracks are lined up with the ramps and continue driving the machine onto the trailer until the the tracks are evenly on the trailer Drive forward until the front bumper engages t...

Page 33: ...achine from storage 1 Store the machine in a flat place and remove the key from the engine 2 Do not store the machine in a place that has flammable material such as dry grass or straw 3 When covering the engine for storage allow the engine and muffler to cool off completely 4 Operatetheengineaftercheckingandrepairingdamaged wirings or pipes and clearing flammable materials that may have accumulate...

Page 34: ...y of the boost machine c Connect the black negative jumper cable to the negative terminal of the boost machine battery d Connecttheotherendoftheblacknegative jumper cable to the negative post of the stalled machine where thebatteryblacknegative cableisalreadyconnected 7 Start the engine on the boost machine and allow it to run at high idling speed for about ten minutes This will partially charge t...

Page 35: ...RG74T R Operator Service Maintenance 800 392 2686 35 Operation ...

Page 36: ... Know the appropriate work site hand signals and the per sonnel that are authorized to give the hand signals Accept hand signals from one person only Do not smoke when you service an air conditioner Also do not smoke if refrigerant gas may be present Inhaling the fumes that are released from a flame that contact air conditioner refrigerant can cause bodily harm or death In haling gas from air cond...

Page 37: ...ace if needed Fuel Filter Replace Fan Belt Check Adjust or Replace Every 200 Hrs Maintenance Interval Engine Oil Filter Change see Cummins Manual Radiator Clamps Hoses Check Replace if needed Intake Air Line Check see Cummins Manual Track Drive Change Gear Oil Every 500 Hrs or 1 Year Maintenance Interval Hydraulic Oil Filter Change Water Jacket Clean see Cummins Manual Fan Belt Change see Cummins ...

Page 38: ...RG74T R Operator Service Maintenance 38 Maintenance Maintenance Log Date of Service Machine Hours Description of Service Maintenance Notes ...

Page 39: ...RG74T R Operator Service Maintenance 800 392 2686 39 Maintenance Maintenance Log Date of Service Machine Hours Description of Service Maintenance Notes ...

Page 40: ...ance intervals chart might be necessary Perform service on items at multiples of the original requirement For example at every 500 service hours or 3 months also service those items listed under every 250 service hours or monthly and every 10 service hours or daily Walk Around Inspection For maximum service life of the machine make a thorough walk aroundinspection Inspectthemachineforthefollowing ...

Page 41: ...ick 1 and top off the engine oil to the uppermost line 6 on the dipstick 6 Once engine oil level shows full replace engine oil fill cap 2 and tighten securely Fuel Tank Check Level Fill Drain The Fuel tank 7 is located along the side of the machine as shown above The fill cap 8 is located just above the tank near the cutter boom To fill the fuel tank loosen and remove the fuel cap and carefully fi...

Page 42: ...low to the engine becomes restricted as the element gradually plugs with contaminants resulting in noticeable power loss and or hard starting When any one of these occurs change the element as soon as possible Always carry an extra replacement element See service parts as one tankful of contaminated fuel can plug a fuel filter For instructions regarding the element replacement see your Cummins Eng...

Page 43: ...ydraulic operating components 1 Place a pan below the filter to catch dripping oil 2 Using a filter wrench unscrew the filter from the filter head 3 Apply a light coat of hydraulic oil to the gasket of the new filter 4 Screw the new filter onto the filter head until hand tight 5 Tighten further with the filter wrench 6 Dispose of the used filter and lost oil in accordance with local safety and env...

Page 44: ...iator cap 2 Place a container under the radiator drain and loosen the drain plug 3 When the radiator is empty re tighten the radiator drain plug 3 When refilling the radiator see your Cummins Engine Manual for coolant specifications With the radiator cap removed start the engine Check the amount of fluid in the radiator 1 adding coolant as necessary When the coolant level in the radiator remains c...

Page 45: ...Stump Cutters and Forestry Mowers The use of non Rayco cutting tools or cutting wheels will void the machine warranty Rayco s cutting tools cutting wheels and mower rotors are specifically designed to provide optimum performance in many ways The use of non Raycopartswillcompromisethisoptimumperformance Safety Rayco s cutting tools are always attached with at least two fasteners This redundant fast...

Page 46: ...ertothePartsmanualforpartnumbers The Cutter Wheel on the RG74T R uses 4 different types of SuperTeeth as shown below Sharpening Teeth DONOTallowanytoothtoweartoomuchbeforesharpening Discard any tooth that has lost more than 1 8 of original bite Remove the tooth from the cutting wheel to be sharpened Tooth Sharpening Guidelines 1 Obtain an unused tooth for comparison NOTICE Read all of the followin...

Page 47: ...nd the seal diameter and new grease beginning to purge out This will ensure that the dirt and debris that gets collected inside the seal area is flushed away from the internal bearings thus providing longevity to the bearing and races Engine Leaks Check Check for leaks as described in the After First 50 Hours interval of the Cummins Engine Operation Manual Engine Mounts Check Check and tighten if ...

Page 48: ... start screen will appear to start the measurement Tap Start andholdtheiPhoneatthemeasuringposition beforethebeltismadetovibrate Start buttonchanges to measuring and the microphone starts to pick up a sound wave Note Hold the microphone of the bottom of the phone iPhone roughly 1 4 3 8 10mm from the center of the span length Simply flick the belt with your finger or softly tap it with a wrench to ...

Page 49: ...hten the lock nut 3 the hydraulic motor bracket slide bolt 2 and both motor pivot shaft clamp bolts 7 6 Remount belt guard cover and bolts Tighten all bolts When the belt is too tight 1 Loosen the hydraulic motor bracket slide bolt 2 and both motor pivot shaft clamp bolts 7 enough to allow the hydraulic motor 6 to pivot freely 2 Loosen the lock nut 3 on the adjusting screw 4 3 Pivoting the hydraul...

Page 50: ... than the specified range listed above adjust the rubber track tension 1 Loosen the bolt and nut from cap 1 2 Adjust the track cylinders accordingly a If the tension is too loose the distance is less than 5 5 add grease to push the the end of the frame out to the 5 5 b If the tension is too tight the distance is greater than 5 loosen the track tension grease fitting to ease pressure until the end ...

Page 51: ...il Replace To drain the oil in the track drive position the unit as in above figure Theoildrainplug 3 mustbepositionedstraightdown with the oil supply plug removed to be used as a vent 4 Set a container under the draining plug Draining the oil should always be done when the oil is hot this will aid in the draining and help prevent sludge When the drive is empty replace the drain plug 3 Fill the tr...

Page 52: ... STUD INSULATED W ADH HEAT SHRINK P RING TERMINAL FOR 3 8 STUD INSULATED W ADH HEAT SHRINK Q RING TERMINAL FOR 1 4 STUD INSULATED W ADH HEAT SHRINK R DELPHI 150 SERIES 3 PIN 12110293 DELPHI TERMINAL 12048074 DELPHI LOCK 12052845 S DEUTSCH DT06 3S W W3S P012 WEDGELOCK GOLD PLATED TERMINALS T DEUTSCH DT06 6S W W6S WEDGELOCK U DEUTSCH DTM04 4P W WM 4P WEDGELOCK V DEUTSCH DT04 3P WITH 3 114017 PLUG W ...

Page 53: ...16 RING 28 27 PREHEAT SOL SIG TYPE N 10 RING PREHEAT SOL GRD TYPE N 10 RING 32 31 START SOL SIG TYPE N 10 RING START SOL GRD TYPE N 10 RING 30 29 36 21 TOR G 38 40 41 42 43 44 3 6 6 6 4 6 8 6 12 36 18 16 16 8 10 15 12 32 4 4 12 12 18 4 12 2 20 4 2 2 2 1 6 6 6 6 6 6 12 20 114 3 4 39 STARTER SOL TYPE Q 25 COM GRD BATTERY TYPE P 3 8 RING PLUG 02 DISPLAY FUSE 20A TYPE B 28 COM GRD BATTERY TYPE P 3 8 R...

Page 54: ...4T R Operator Service Maintenance 54 Main Wiring Harness 35170 G COLOR LEGEND RED RED BLK BLACK BRN BROWN ORG ORANGE YLW YELLOW TAN TAN PUR PURPLE GRN GREEN BLU BLUE GRY GRAY TRACER COLOR IMPRINT LETTERING ...

Page 55: ...RG74T R Operator Service Maintenance 800 392 2686 55 Main Wiring Harness 35170 G ...

Page 56: ...MMAND CUT 18 YLW 13 A 01 28 CHARGE FILTER SENSOR 18 TAN 19 B 02 A RUN POWER 12V 18 RED SP2 02 B LCM FUSED PWR 18 RED SP3 03 A ECU GROUND 18 BLK SP5 03 B ECU POWER BAT 12V 18 RED SP4 03 C CAN 18 YLW 46 A 03 D CAN 18 GRN 46 B 04 2 RUN POWER 12V 18 RED SP2 07 C COM GND 18 BLK SP1 08 A RUN POWER 12V 18 RED SP2 08 C COM GND 18 BLK SP1 09 A RUN POWER 12V 14 RED SP2 09 B COM GND 14 BLK SP1 10 30 RUN POWE...

Page 57: ...D SP1 29 START SOL PWR 14 RED 36 30 START SOL SIG 14 GRN 39 37 2 COM GND 18 BLK SP1 38 ALT FUSE 1 2 RED 41 40 ALT GRD 2 BLK 44 42 ALT FUSE 2 2 RED 43 47 1 KEY SWITCH PWR 12V 16 RED SP6 47 6 KEY SWITCH PWR 12V 16 RED SP6 50 A RESISTOR 18 ORG SP7 50 B COM GND 18 BLK SP1 SPLICE CIRCUITS SPLICE WIRE DESCRIPTION GAUGE COLOR CONNECTED TO SP1 COM GND 10 14 16 18 BLK 01 2 07 C 08 C 09 B 10 85 13 B 21 2 25...

Page 58: ...RG74T R Operator Service Maintenance 58 Hydraulic Schematic 805039 ...

Page 59: ...RG74T R Operator Service Maintenance 800 392 2686 59 Hydraulic Schematic 805039 HOSE A IS CLEAR POLYURETHANE FUEL LINE ...

Page 60: ...0R17 18 1 REF 4R17 4FSX 4FSX 34 SAE 100R17 19 2 REF 6R16 6FSX 6FSX 31 SAE 100R16 20 1 REF 4R17 4FSX 4FSX 21 SAE 100R17 21 1 REF 6R16 6FSX 6FSX 34 SAE 100R16 22 1 REF 8R17 8FSX 8FSX 114 23 1 REF 3 8 30R7 PLAIN 47 SAE 30R7 24 1 REF 3 8 30R7 PLAIN 64 SAE 30R7 25 1 REF 3 8 30R7 PLAIN 89 SAE 30R7 26 1 REF 16R4 PLAIN 18 27 1 REF 12R4 PLAIN 48 28 1 REF 16R17 16FSX CODE 61 90 108 29 1 REF 12R4 12FSX 12FSX...

Page 61: ... 06 06 BT X 06 MNPT STRAIGHT 23 3 REF 4601 12 12 90 12 BT X 12 MORB 24 INTENTIONALLY BLANK 25 2 REF 4503 12 12 45 12 BT X 12 MNPT 26 1 REF FF6801 08 08 08 MORFS X 08 MORB 90 27 1 REF FF3800 08 06 08 MORFS X 06 MORB BSPP W WASH 28 4 REF 199 FF3800 0608 06 MORFS X 08 MORB BSPP ORING ONLY NO RETAINING RING 29 4 REF 199 FF3800 0404 04 MORFS X 04 MORB BSPP ORING ONLY NO RETAINING RING 30 2 REF FF6602 0...

Page 62: ...gaFlow AW HVI 46 Viscosity 7 7 cSt 100 C 46 cSt 40 C Pour Point 45 C 49 F Shell Tellus T 46 new name Tellus S2 V46 Viscosity 7 95 cSt 100 C 45 9 cSt 40 C Pour Point 42 C 43 F Mobil DTE 15M Viscosity 7 8 cSt 100 C 46 cSt 40 C Pour Point 42 C 43 F Exxon Univis N 46 Viscosity 8 2 cSt 100 C 46 cSt 40 C Pour Point 48 C 54 F Pennzoil Pennzbell AWX MV 46 Viscosity 8 8 cSt 100 C 46 3 cSt 40 C Pour Point 4...

Page 63: ...treme cold temperature areas a No 0 grade grease may be used Before lubricating make sure all grease fittings and the nozzle of the grease gun is clean Cold Weather Lubricants Before attempting to start the engine make sure that the oil in the engine the transmission and the hydraulic system are fluid enough to flow Check the oil by removing the dipsticks If the oil will drip from the dipstick the...

Page 64: ...075 RESTRICTION INDICATOR 805153 HYDRAULIC TANK FILTER ELEMENT 805123 INNER AIR FILTER CARTRIDGE 804906 SERVICE INDICATOR 803607 FUEL CAP 760780 ENGINE KEY 804724 PARTS MANUAL PMRG74T R OPERATION MANUAL OBRG74T R OPERATION SERVICE MANUAL OSMRG74T R CUMMINS ENGINE MANUAL CUTTER WHEEL TEETH STRAIGHT COUNTER BORE 3144C STRAIGHT THREADED 3144T ANGLE OUT COUNTER BORE 2933C ANGLE OUT THREADED 2933T ...

Page 65: ...he product to and from the place at which warranty work is performed 3 Any product that has been altered or modified in ways not approved by Rayco 4 Depreciation or damage caused by normal wear lack of reasonable and proper maintenance failure to follow operating instructions misuse lack of proper protection during storage or accident D Unapproved Service Modification Rayco is relieved of its obli...

Page 66: ...hink Safe We care about your safety When operating your RAYCO machinery always wear an ap proved helmet complete with ear muffs face shield and the proper eye wear Never operate under the influence of alcohol or drugs Know your RAYCO read and understand your owner s manual cover to cover RAYCO Manufacturing Inc retains the right to make changes in design and specifications engineering add or remov...

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