Ventrac 4520K Operator'S Manual Download

Page: 58 / 78

SERVICE

Service - 58

PTO Belt Tension Adjustment

1. Pull out on the PTO belt tensioner rod to release

tension from the belt tensioner linkage.

Loosen the adjustment bolt (A) and rotate the ten

sion adjustment link (B) clockwise to increase the

tension applied to the PTO and attachment belts.

Rotate the tension adjustment link counterclock-

wise to decrease the tension applied to the PTO

and attachment belts.

Tighten the adjustment bolt securely. Torque to 42

Nm (31 ft-lbs).

PTO Belt Replacement

1. If the power unit has been running, allow the

engine to cool.

2. Remove the front grill plate.

3. Remove the PTO idler pulley

guard (A).

4. Pull the PTO belt tensioner

rod out to release the belt

tension.

5. Reach through the grill opening and remove the

hairpin (B) and washer that fastens the belt ten

sioner rod (C) to the belt tension rocker.

Remove the belt tensioner rod from the belt ten-

sion rocker.

7. Lift up on the PTO idler pulley and remove the belt

from the pulley.

8. Pull the belt up between the PTO tension rocker

and the front grill and remove from the clutch

pulley.

9. Push the new belt down between the PTO tension

rocker and the front grill.

10. Install the belt onto the clutch pulley.

11. Lift up on the PTO idler pulley and install the belt

into the rear groove of the idler pulley.

12. Reinstall the PTO belt tensioner rod to the belt

tension rocker and fasten with the washer and

hairpin.

13. Reinstall the PTO idler pulley guard. Torque the

bolts to 11 Nm (100 in-lbs).

14. Reinstall the front grill plate.

https://www.tractormanualpdf.info/

Summary of Contents for 4520K

Page 1: ...Operator s Manual Serial Number 4520K AR01001 VENTRAC COM Revised 05 23 22 09 10184 Rev 02 Original Operator s Manual 4520K https www tractormanualpdf info ...

Page 2: ...r Address Dealer Phone Number Dealer Fax Number Model A ___________________________________ Serial B _____________________________________ Affix Part Serial Number label here Engine Serial C _________________________________ Venture Products Inc reserves the right to make chang es in design or specifications without obligation to make like changes on previously manufactured products 500 Venture Dr...

Page 3: ...RATIONAL CONTROLS PAGE 22 Standard Control Locations 22 Optional Accessory Control Locations 23 Information Cluster Gauge A 24 Warning Alarm B 25 Ignition Switch C 25 Throttle Lever D 25 High Low Shift Lever E 25 Steering Wheel F 26 Parking Brake G 26 Front Hitch Latch Lever H 26 Neutral Assist Lever J 26 Auxiliary Hydraulic Quick Couplers K 26 PTO Belt Tensioner Rod L 27 SDLA Control Lever M N 27...

Page 4: ...alve BA 32 Weight Transfer Traction Control Select Lever BC 32 GENERAL OPERATION PAGE 33 Daily Inspection 33 Starting the Engine 33 Forward and Reverse 34 Stopping the Power Unit 34 Shutting Off the Engine 34 Attaching 35 Detaching 35 Operating Attachments 35 Front Hitch 35 PTO Drive Belt and Pulley 35 Front Auxiliary Couplers 36 Weight Transfer 36 High Low Range 36 Turning Radius 37 Roll Over Pro...

Page 5: ...he Battery 53 Installing the Battery 53 Cleaning the Battery and Terminals 53 Charging the Battery 53 Jump Starting Procedure 54 TCS Tractor Control System Explanation 55 Replacing Fuses Power Relay Module 55 Replacing Fuses Front Fuse Panel 55 Replacing Fuses Rear Fuse Panel 56 Switching the Speedometer mph or km h 56 Replacing the Head Lights 56 Replacing the Tail Lights 56 Replacing the Work Li...

Page 6: ...rical 70 Hydraulic 71 Power Unit 72 SPECIFICATIONS PAGE 73 Engine 73 Electrical 73 Power Train 73 Controls and Instrument Panel 73 Other Features 73 Dimensions 74 Fluid Capacities and Specifications 74 Amperage Draw Chart 75 Belt Chart 76 WARRANTY PAGE 77 SERVICE Continued https www tractormanualpdf info ...

Page 7: ... Manual This manual has been created to help you gain the important knowledge of what is needed to safely operate and maintain your machine and to avoid injury and product damage It is divided into chapters for convenient refer ence of the appropriate information You must read and understand the operator s manual for each piece of Ventrac equipment you own Read ing the operator s manual will help ...

Page 8: ...safety and the safety of others is involved There are three signal words that describe the level of safety concern Danger Warning and Caution SIGNAL WORD DEFINITIONS DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury This signal word is limited to the most extreme cases WARNING Indicates a potentially hazardous situation which if not avoi...

Page 9: ...twear Long pants or trousers A dust mask for dusty conditions Additional PPE may be required Refer to the product safety procedures for any additional requirements Operation Safety Secure long hair and loose clothing Do not wear jewelry Inspect the machine before operation Repair or replace any damaged worn or missing parts Be sure the guards and shields are in proper working condition and are sec...

Page 10: ...ver leave the operator s station without lowering the attachment to the ground engaging the parking brake shutting off the engine and removing the ignition key Make sure all moving parts have come to a complete stop before dismounting Never leave the machine unattended without lowering the attachment to the ground engaging the park ing brake shutting off the engine and removing the ignition key On...

Page 11: ...th the power unit controls and their functions If the power unit is equipped with a fold down roll bar it must be locked in the upright position when operating on any slope Use low range if equipped when operating on slopes greater than 15 degrees Do not stop or start suddenly when operating on slopes Never shift between high and low range while on a slope Always move the power unit to level groun...

Page 12: ...itch to the Off position to shut off electrical power Maintenance Keep the safety decals legible Remove all grease dirt and debris from the safety decals and instructional labels If any decals are faded illegible or missing contact your dealer promptly for replacements When new components are installed be sure that the current safety decals are affixed to the replacement components If any componen...

Page 13: ...in handling gasoline Gasoline is extremely flammable and the vapors are explosive Do not refuel the machine while smoking or at a location near flames or sparks Always refuel the machine outdoors Do not store the machine or fuel container indoors where the fumes or fuel can reach an open flame spark or pilot light Only store fuel in an approved container Keep out of the reach of children Never fil...

Page 14: ... attention Use a piece of cardboard and a magnifying glass to locate suspected hydraulic leaks Keep your body and hands away from pinhole leaks or nozzles that eject high pressure hydraulic fluid Hy draulic fluid escaping under high pressure can penetrate the skin causing serious injury leading to severe complications and or secondary infections if left untreated If hydraulic fluid is injected int...

Page 15: ...n applies only when the roll bar is locked in the upright position Be aware that there is no rollover protection when a folding ROPS is in the down position DO NOT remove the ROPS Alterations to the ROPS structure are not permitted Lower the roll bar only when absolutely necessary and raise the roll bar to the upright position as soon as clearance allows Never lower a folding ROPS in areas where t...

Page 16: ...Perform the following safety interlock tests daily to test the electrical portion of the interlock system Before testing park the power unit on a level surface place wheel chocks in front and back of the wheels and place the high low range shift lever in the neutral position After testing is complete place the high low shift lever in either high or low range engage the parking brake and remove the...

Page 17: ...e your body weight from the seat The electric PTO clutch will make an audible noise when it engages or disengages PTO Test Number PTO Switch Operator Present in Seat PTO Clutch 10 Off Yes Off 11 Pull to On Position No No 12 Pull to On Position Yes Yes 13 On Raise Operator Body Weight from Seat PTO Disengages 1 2 second delay If the power unit fails any one of the safety interlock tests the issue m...

Page 18: ...dirt and debris from safety decals and instructional labels If any decals are faded illegible or missing contact your dealer promptly for replacements When new components are installed be sure that current safety decals are affixed to the replacement compo nents A B C D E F G E H J J Directional Hazard Light Kit I https www tractormanualpdf info ...

Page 19: ...s and ear protection 4 Stay away from moving parts 5 Keep all guards and shields in place 6 WARNING Hydraulic fluid is under high pressure and can penetrate skin causing injury Keep hands face and body away from pinholes or nozzles that eject hydraulic fluid under high pressure 7 Do not operate while under the influence of drugs or alcohol 8 Do not carry passengers Stop the machine if someone ente...

Page 20: ...or single wheels and the inner and outer dual wheels 10 Inflate Bar tires to the pressure range indicated for single wheels and the inner and outer dual wheels 11 Inflate Turf tires to the pressure range indicated for single wheels and the inner and outer dual wheels H 1 1 Pinching or crushing hazard foot Stay away from moving parts 1 4 5 6 7 8 9 10 11 2 3 E 1 2 3 4 5 6 1 Caustic liquid chemical b...

Page 21: ...ine Safety 00 0457 1 C Moving Parts 00 0339 1 D 4520 Safety 00 0694 1 E Pinching Hazard Foot 00 0639 2 F Battery Hazard 00 0629 1 G Hub Side 00 0645 4 H Slope Warning 00 0642 1 I Moving Part Hazard 00 0632 1 J Pinch Point Hazard optional kit 00 0364 2 1 1 Stay away from moving parts Keep all guards and shields in place I https www tractormanualpdf info ...

Page 22: ...l G Parking Brake H Front Hitch Latch Lever I Front Hitch Latch Lever Lock J Neutral Assist Lever K Auxiliary Hydraulic Quick Couplers L PTO Belt Tensioner Rod M Primary SDLA Control Lever N Secondary SDLA Control Lever O PTO Switch P Headlight Switch Q USB Receptacle R Seat Slide Lever S Fuel Shut off Valve T Circuit Breaker and Battery Disconnect U Seat Prop Plate V Seat Latch Strap X Choke Hand...

Page 23: ...Auxiliary Valve KK Rear 12V Switch On Off LL Rear 12V Switch Momentary On Off On MM Rear 12V 4 Pin Socket NN Slope Indicator Gauge OO Foot Pedal PP 3 Point Hitch Control Lever QQ Left Rear Auxiliary Hydraulics Handle RR Right Rear Auxiliary Hydraulics Handle SS Rear Auxiliary Hydraulic Quick Couplers TT Back Up Alarm UU Seat Slide Lever VV Lumbar Support Knob WW Backrest Angle Lever XX Weight Adju...

Page 24: ...lug indicator is only used with diesel en gines It is not applicable to this engine The low engine oil pressure light activates and an alarm sounds when the engine oil pressure is below safe levels The light comes on when the ignition key is switched to the On position and stays illuminated until the engine is started and safe oil pressure de velops If this light comes on during operation shut off...

Page 25: ...Lever E ATTENTION The high low range shift lever shifts both the front and rear transaxles simultaneously Occasionally the engagement of the transaxle gears is prevented by misalignment Moving the steering wheel slightly to the right or left will move the gears enough to complete the engagement CAUTION Never shift while under load while moving or while on a slope Always ensure the shift lever is s...

Page 26: ...hitch latch lever lock prevents the accidental release of the front hitch latch lever To release the front hitch latch lever lift the tab on the front hitch latch lever lock then move the front hitch latch lever to the unlock position Neutral Assist Lever J Placing the neutral assist lever in the On 1 2 position 2 engages the neutral assist spring to help return the SDLA control lever to the neutr...

Page 27: ...s Up Hold Down and Float Lock Hold is the default position and holds the hitch arms from moving up or down Pulling the lever to the left raises the hitch arms Pushing the lever to the right lowers the hitch arms Float position is attained by pushing the lever to the right until the float detent engages and locks the lever in place A Auxiliary the left or right movement of the second ary SDLA lever...

Page 28: ...the seat in the flipped for ward position while service is performed under the seat To secure tilt the seat forward lift up the seat prop plate and insert the end into the wide portion of the seat plate slot Ensure the seat prop plate snaps into the narrow portion of the slot to prevent accidental release To release move the seat prop plate over into the wide portion of the seat slot and tilt the ...

Page 29: ...p maximum current draw The engine alternator and or battery capacity determine allowable continuous draw 1 2 3 4 The front 4 pin socket provides electrical power to attachments that are equipped with electrical controls e g broom rotation actuator snow blower discharge chute angle The switches turn off and on the electrical power to the front 4 pin socket Press the top 1 of the rocker switch to tu...

Page 30: ... back angle to provide a true overall measurement of slope angle regardless of the power unit orientation The slope gauge has slope limit set points that can be changed to match the capability of the power unit configuration along with attachments that might limit the slope rating of the power unit The slope gauge is equipped with both audible and visual alerts which can be set independently to wa...

Page 31: ... Push the handle forward to activate the attachment hydraulic cylinder in direction 2 Rear Auxiliary Control Handles QQ and RR 1 Left Auxiliary Hyd Couplers Direction 1 2 Left Auxiliary Hyd Couplers Hold 3 Left Auxiliary Hyd Couplers Direction 2 4 Left Auxiliary Hyd Couplers Float if equipped 5 Right Auxiliary Hyd Couplers Direction 1 6 Right Auxiliary Hyd Couplers Hold 7 Right Auxiliary Hyd Coupl...

Page 32: ...tch to turn the heat off Optional Armrest Angle Knob ZZ The angle of the optional armrests can be adjusted individually by rotating the knob on the underside of the armrest to raise or lower the front of the armrest Front Hitch Valve BA The front hitch valve is 1 2 used to control the lowering of the front hitch Turning the knob on the front hitch valve counterclockwise 1 increases the speed at wh...

Page 33: ...terlock system Starting the Engine CAUTION Use of ether or starting fluids may cause engine damage and or personal injury Do not use ether or starting fluids to aid in starting the engine The 4520 is equipped with an interlock system for op erator safety The safety interlock system requires the parking brake to be engaged and the SDLA lever to be in the neutral position for the power unit to start...

Page 34: ...equipped with an optional foot pedal the foot pedal can be used to control the speed and direction instead of the SDLA control lever The SDLA control lever should be used for precision control in tight spaces or when connecting an attach ment The foot pedal is better suited to controlling speed and direction in open areas Stopping the Power Unit To slow or stop the power unit move the SDLA control...

Page 35: ... Shut off the power unit engine 5 Release the PTO belt tensioner rod 6 Remove the attachment belt from the PTO drive pulley of the power unit 7 Move the secondary SDLA lever to the left and right to release pressure from the auxiliary hy draulic circuit and disconnect the attachment hoses from the power unit 8 Disconnect the attachment s electric plug from the socket on the power unit 9 Lift the f...

Page 36: ...ozzles that can eject hydraulic fluid under high pressure Weight Transfer The weight transfer system transfers weight from the attachment to the front wheels of the power unit when the front hitch is in float or assists in lifting the attachment The operator can select different weight transfer rates using the weight transfer select lever To set the weight transfer raise the front hitch to its max...

Page 37: ...RNING Keep the ROPS locked in the upright position and the seat belt securely fastened during operation Failure to do so could result in serious injury or loss of life The 4520 power unit is equipped with a fold down ROPS that allows the power unit to access areas of low overhead clearance Lower the roll bar only when ab solutely necessary and raise the roll bar to the upright position as soon as ...

Page 38: ...n off switch and two mo mentary on buttons on the SDLA handle The actions of the rear 12 volt socket are controlled by an on off switch and a momentary on off on switch on the panel behind the SDLA control levers The momentary buttons or switch are used for controlling movement that is only used for a brief time The on off switches are used to activate equipment or to select different functions Di...

Page 39: ... of operation for the engine Vanguard Model 54 in the 4520K power unit 20 continuous 30 intermittent Intermittent the engine may operate between 20 and 30 for up to 10 minutes If 10 minutes is reached the engine must be returned to 20 or less to ensure proper oil lubrication After returning to 20 or less the intermittent cycle may be repeated Maintain sufficient fuel in the tank to ensure continu ...

Page 40: ...y screen Hold your thumb over SLOPE 0 SLOPE 0 Hold SLOPE 0 Hold SLOPE 0 SLOPE Hold SLOPE 0 Sensor Area Display Screen the sensor for the required time period to enter the options menu or to make a selection Follow the instructions on the display screen Starting below 0 SLOPE 0 Up Swipe Up Swipe the sensor area swipe your thumb up across the sensor to scroll through options such as the audible or v...

Page 41: ...creen 5 changes the screen display There are five screen display options from which the operator can choose to display during operation Hold over the sensor until the factory default screen is displayed Swipe up to cycle through the display screen options Display Screen 1 is the factory default screen and it displays the total slope angle in degrees Display Screen 2 displays the total slope angle ...

Page 42: ... perform the calibration 6 When the screen changes to say calibration suc cessful remove your thumb from the sensor The gauge will automatically return to the selected display screen Operation in Water Mud Snow or Ice WARNING Operation in water mud snow or ice decreases power unit traction and increases the potential for unexpected difficulties or loss of control Reduce your speed and exercise cau...

Page 43: ... leaves dirt gravel and salt deposits when the job is finished ATTENTION To maintain the finish of the power unit thoroughly wash the equipment after each use to remove any corrosive agents e g salt Failure to clean the equipment may result in corrosion of including but not limited to steel aluminum and electrical com ponents Equipment that will experience repeated exposure to corrosive agents sho...

Page 44: ...Right Engine Cover 8 Seat 9 Lower Rear Frame Cover 5 Control Panel 6 Left Engine Cover 7 Front Grill Plate 6 7 8 9 5 Lubrication Locations Lubrication is required at the Grease Silicone based Spray Lube following locations Refer to the maintenance schedule for service intervals and the amount of grease Refer to the fluid capacities and specifications section for the grease type Steering Cylinder a...

Page 45: ...ting a new attachment or kit that runs off the power unit s hydraulic system run the at tachment through a complete cycle then stop and check the hydraulic oil level 1 Park the power unit on a level surface and adjust the steering to aim the power unit straight ahead 2 Fully raise the front hitch and lower the 3 point hitch if equipped 3 Shut off the engine and allow time for the hydrau lic system...

Page 46: ...r axle beneath the small hydrau lic filter B 9 Use a strap type filter wrench to unscrew the filter from the filter head and allow the oil to drain into the pan 10 Wipe the filter mounting surface with a clean cloth 11 Apply a thin film of clean oil to the gasket of the new filter and screw onto the filter head until the gasket makes contact with the mounting surface Tighten the filter an addition...

Page 47: ...Nm 25 29 ft lbs 8 Clean up any spilled oil and dispose of oil in accor dance with local laws ATTENTION Oil is hazardous to the environment Drain oil into an approved container and dispose of used oil in accordance with local laws 9 If the hydraulic filters are being changed with the oil proceed to the Changing the Hydraulic Oil Filters section before completing the remaining steps in this section ...

Page 48: ...removed to ac cess the drain plug reinstall the skid plate 9 Reinstall the rear weights if equipped Servicing the Closed Loop Hydrostatic Drive Circuit ATTENTION Service or repair of the closed loop drive circuit must be performed by an authorized Ventrac dealer If any part of the closed loop hydrostatic drive circuit the pump the front drive motor the rear drive motor or any of the three 1 2 hydr...

Page 49: ...gloves when working with engine oil If you come in contact with engine oil wash if off your skin immediately ATTENTION Oil is hazardous to the environment Drain engine oil into an approved container Dispose of used en gine oil in accordance with local laws 1 Start the power unit engine and allow it to run until the engine reaches operating temperature 2 Park the power unit on a level surface 3 Shu...

Page 50: ...n both air filter elements are removed an open ing is created to the internal parts of the engine Be sure nothing falls into the canister that could make its way into the engine Have the new filter elements ready to install immediately after remov ing the old filter elements Improper service to the engine air filter can result in severe engine damage Inspect the filter daily in extreme heat dust o...

Page 51: ...m age to the emissions control system Keep the fuel nozzle in contact with the rim of the fuel neck until fueling is completed 5 Replace the fuel cap and tighten 6 Wipe up any fuel spills and allow fuel vapors to dissipate before starting the engine Changing the In line Fuel Filter 1 Turn the fuel shut off valve to the Off position A 2 Remove the lower rear frame cover 3 Loosen the hose clamps and...

Page 52: ...ode Wear eye protection and gloves Do not smoke near the battery Keep arcs sparks and open flames away from the battery Do not allow direct metal contact across the bat tery posts Remove the negative battery cable first when disconnecting the battery Install the negative battery cable last when con necting the battery WARNING Battery electrolyte contains sulfuric acid It is poi sonous and can caus...

Page 53: ...ells 3 Rinse the battery with clean water 4 Clean the battery posts and battery cable termi nals with a wire brush 5 Reinstall the battery Charging the Battery DANGER Batteries produce explosive gases Charge the battery in a well ventilated area where the gases produced by charging can dissipate Do not charge where the battery could be exposed to sparks open flames or other sources of ignition Nev...

Page 54: ...abled power unit Be sure the vehicles do not touch 4 Shut off the boosting vehicle s engine and engage the parking brake ATTENTION Attempting to start the disabled unit with the boost ing vehicle s engine running could cause damage to the regulator 5 7 8 6 5 2 4 3 1 A B C D E F G H I J K 1 2 3 4 B A C A Discharged Battery B Booster Battery C Ground Stud Connect one end of the positive booster cabl...

Page 55: ...t prop A B 3 Remove the sealed fuse cap from the power relay module 4 Identify and remove the de fective fuse from the socket Power Relay Module J Case Fuse Position Fuse Circuit Top A 50 amp Key Switch TCS Bottom B 50 amp Rear Fuse Panel Supply 5 Insert a new fuse into the socket Be sure the fuse is the correct amperage or damage may occur to the power unit 6 Reinstall the sealed fuse cap and low...

Page 56: ... tail lights are equipped with LEDs and do not use a replaceable bulb If a tail light no longer functions the entire tail light must be replaced Replacing the Work Lights The work lights are equipped with LEDs and do not use a replaceable bulb If a work light no longer functions the entire work light must be replaced Replacing the Turn Signal Lights The signal lights that are used for the turn sig...

Page 57: ...the left rear corner of the canopy locate the harness connector with a cap 4 Remove the cap from the connector 5 Use a jumper wire to connect the two terminals momentarily less than one second to change to the next flash pattern Repeat until the desired flash pattern is reached 6 Turn the strobe light switch to the Off position 7 Turn the ignition key to the Stop position 8 Reinstall the cap onto ...

Page 58: ... release the belt tension 5 Reach through the grill opening and remove the hairpin B and washer that fastens the belt ten sioner rod C to the belt tension rocker 6 B C Remove the belt tensioner rod from the belt ten sion rocker 7 Lift up on the PTO idler pulley and remove the belt from the pulley 8 Pull the belt up between the PTO tension rocker and the front grill and remove from the clutch pulle...

Page 59: ...r 3 Tighten or loosen the clutch adjustment nut B as needed to achieve the 5 mm 020 inch air gap B B B Wheel Removal and Installation Wheel Removal 1 Park the power unit on a level surface 2 Loosen the wheel lug nuts but do not remove WARNING If the power unit is not adequately supported the unit could fall and trap or crush a person or append age causing severe injury or death 3 Lift up the corne...

Page 60: ... and the external threads of the dual wheel extension have a light coating of grease Apply grease if necessary 3 The draw cone must be loose before installing the dual wheel extension into the inner hub Check by sliding the draw bolt in and out It should have 6 5 13 mm 1 4 1 2 inch of travel 4 Insert the threaded end of the dual wheel exten sion into the inner dual wheel hub Using both hands turn ...

Page 61: ...even clicks or less from the off position If less than 7 kg 15 pounds is required to engage the brake lever seven clicks from the off position or if engaging the parking brake will not prevent the power unit from moving the brake linkage rod will need to be adjusted 1 Park the power unit on a level surface WARNING The parking brake must be disengaged as part or the adjustment procedure Park the po...

Page 62: ...er to attain the desired setting if the neutral adjustment nut is left snug and a rubber mallet or a piece of wood and a hammer are used to tap the nut in the desired direction Do not strike the nut directly with a metal hammer as it is pos sible to dent or damage the nut 10 Release the parking brake and observe the direc tion the tires are rotating If the tires are rotating in the forward directi...

Page 63: ...afety decals Replace any decals that are faded illegible or missing 5 Inspect the hydraulic hoses and fittings for leaks and or wear Service as required 6 Inspect the fuel lines for leaks 7 Perform the parking brake inspection 8 Inspect the electrical system and connections 9 Test the operator safety interlock system 10 Inspect the PTO pulley and belt for damage or excessive wear Service as requir...

Page 64: ...ttery charge periodically and charge the battery if needed Short Term Storage less than four months 1 Add a quality gasoline fuel stabilizer to the fuel tank Follow the manufacturer s recommended mixing ratios 2 Start the power unit s engine and run for ten minutes to allow the fuel stabilizer to travel all through the fuel system 3 Shut off the engine and remove the ignition key 4 Engage the park...

Page 65: ...he cylinder head covers and clean the cylinder heads ü ü ü Clean the Engine the Engine Compartment the Rotating Screen and the Engine Oil Cooler ü Replace the Fuel Filter ü ü ü Drain Water and Sediment from Fuel Tank ü ü Hydraulic System Check the Hydraulic Oil Level ü Check the Rear Transaxle Oil Level ü ü ü ü ü Change the Hydraulic Filters ü ü ü Change the Hydraulic Oil and the Rear Transaxle Oi...

Page 66: ... Filter Drain Water and Sediment from Fuel Tank Hydraulic System Check the Hydraulic Oil Level Check the Rear Transaxle Oil Level Change the Hydraulic Filters Change the Hydraulic Oil and the Rear Transaxle Oil Parking Brake Parking Brake Inspection and Adjustment Electrical Clean the Battery Terminals and Compartment ü Inspection Inspect the Operator Interlock System Inspect the ROPS Structure an...

Page 67: ...SERVICE Service 67 Maintenance Log Serial Number 4520K Date Hours Description of Repairs Service Initials https www tractormanualpdf info ...

Page 68: ...SERVICE Service 68 Maintenance Log Date Hours Description of Repairs Service Initials https www tractormanualpdf info ...

Page 69: ... line Poor engine compression The engine runs rough Plugged or partially plugged air filter s Plugged or partially plugged fuel filter Stale dirty fuel or wrong seasonal fuel mixture The fuel level is low Faulty spark plugs Moisture in the spark plug pockets Incorrect choke setting A faulty fuel pump Dirty or faulty carburetor Incorrect valve clearance Valve seat failure The engine is low on power...

Page 70: ...01 02232 Check the 15 amp fuse in position F10 and the 5 amp fuse in position F08 Replace the fuses if necessary Serial 02232 Check the 15 amp fuse in position F06 and the 5 amp fuse in position F03 Replace the fuses if necessary c If the electrical issue affects the safety related functions controlled by the TCS the power unit should be taken to an authorized Ventrac dealer for troubleshooting us...

Page 71: ... the SDLA lever links Steering is difficult The hydraulic oil level is low The hydraulic oil suction filter is plugged A faulty steering cylinder The pump charge pressure is low An excessive load on the hydraulic system Excessive noise in the hydraulic system The hydraulic oil level is low The hydraulic oil suction filter is plugged Incorrect oil used in the hydraulic system Cold weather allow the...

Page 72: ...ke is not disengaging The pump control arm connecting linkage is loose or disconnected The tow valve is bypassing at the hydraulic pump The universal joint at the engine hydraulic pump is loose A faulty hydraulic pump or motor The engine stalls whenever the SDLA control le ver is moved forward or backward out of neutral The parking brake switch or the neutral switch is out of adjustment https www ...

Page 73: ...Hydro Dynamic Hydraulic Oil Filtration 10 Micron and 25 Micron Controls and Instrument Panel Steering Power PTO Power Take Off Electric w brake Throttle Control Cable Directional Control Speed Direction Lift Auxiliary SDLA Control Orientation Hand Gauges Tachometer Volt Water Temperature Fuel Speedometer Parking Emergency Brake Band Brake Other Features Turning Radius 99 cm 39 inches Standard Tire...

Page 74: ...e size tire options and optional accessories Fluid Capacities and Specifications Fluid Type Capacity Filter 1 Filter 2 Engine Oil Synthetic 10W 30 2 3 liters 2 4 quarts 13 842921 Hydraulic Oil Front trans axle and Reservoir HydroTorq XL Synthetic Hydraulic Oil 11 6 liters 12 3 quarts Optional 3 point hitch 12 2 liters 13 quarts 21 0122 Suction filter 21 0124 Return filter Hydraulic Oil Rear trans ...

Page 75: ...0 70 4170 Canopy Fan Kit low medium high 3 5 4 5 7 0 70 4171 Canopy Strobe Light Kit 0 8 70 4172 Canopy Front Work Light Kit 2 2 Weather Cab 70 2014 KW452 Weather Cab work lights on windshield wiper on 8 9 Heater Fan low medium high 5 4 7 4 12 6 70 2006 6 Defrost Fan Kit 2 0 3 1 70 8148 Windshield Washer Kit 4 0 70 8161 Strobe Light Kit 0 35 70 8162 Hazard Light Kit 0 88 Attachments 70 8015 EA See...

Page 76: ...1 B052 KC180 Stump Grinder B53 belt 81 B053 KG540 Power Rake B52 belt 81 B052 KH500 Versa Loader B33 Belt 81 B033 KJ520 Broom B51 Belt 81 B051 KL480 Tiller B66 belt 81 B066 KP540 Power Rake B48 belt 81 B048 KX480 Snow Blower B50 belt 81 B050 KX523 Snow Blower B50 belt 81 B050 KY400 Trencher B53 belt 81 B053 MA900 Boom Mower B49 belt 81 B049 MC600 Rear Discharge Mower B47 belt 81 B047 MJ840 Contour...

Page 77: ...he sole responsibility of the owner and is not covered under warranty by Ventrac and or V P I Ventrac and V P I s responsibility in respect to claims is limited to making the required repairs or replacements and no claim of breach of warranty shall be cause for cancellation or rescission of the contract of sale of any Ventrac equipment Proof of purchase may be required by the dealer to substantiat...

Page 78: ...herein are exclusive and are in lieu of all other remedies The liability of V P I whether in contract tort under any warranty or otherwise shall not extend beyond its obligation as set forth herein V P I shall not be liable for cost of removal or installation nor shall V P I be responsible for any direct indirect special or consequential damages of any nature In no event shall V P I be liable for ...

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Ventrac 4520K, Operator'S Manual

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