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LDU ERROR CODES 12

en-103

12.6 HYBRID ENGINE CONTROLLER ERROR CODES________________________________

Hybrid engine controller error/fault codes display on the
LDU as a two digit error code.

LDU Error Code

Description

Caution

LED

Alarm

Sounding

Engine

Stop

Traction

Stop

Mow Stop

On

Off

Yes

No

Yes

No

Yes

No

Yes

No

Pack Voltage too high. Engine speed
is set to idle. Restart mower.
Continue with normal operation.
Notify maintenance personnel at end
of shift.

4

4

4

4

4

Pack Voltage too low. Engine speed
is set to idle. Restart mower.
Continue with normal operation.
Notify maintenance personnel at end
of shift.

4

4

4

4

4

Generator temperature greater than
266° F (130° C). Engine speed is set
to idle. Restart mower. Continue with
normal operation. Notify
maintenance personnel at end of
shift.

4

4

4

4

4

Generator temperature greater than
212° F (100° C) or rectifier
temperature greater than 176° F (80°
C). Generator derates. Shut mower
down and wait ten minutes. Restart
mower. If fault returns, return mower
to maintenance shed.

4

4

4

4

4

Throttle actuator Fault. Engine
speed is set to idle/spring return.
Restart mower. If fault returns, return
mower to maintenance shed.

4

4

4

4

4

Rectifier temperature greater than
212° F (100° C) for 3 seconds.
Generator derates. Restart mower.
Continue with normal operation.
Notify maintenance personnel at end
of shift.

4

4

4

4

4

Pack voltage sensor greater than 70
VDC for 3 seconds. Engine shut
down. Restart mower and return to
maintenance shop

4

4

4

4

4

Pack voltage sensor 2VDC for 2
seconds. Engine speed set to
idle.Return mower to maintenance
shop.

4

4

4

4

4

GENERATOR

FAULT 14

GENERATOR

FAULT 15

GENERATOR

FAULT 21

GENERATOR

FAULT 22

GENERATOR

FAULT 23

GENERATOR

FAULT 31

GENERATOR

FAULT 54

GENERATOR

FAULT 55

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Summary of Contents for Eclipse 322

Page 1: ...62851 Diesel Hybrid Power 2WD 62852 Diesel Hybrid Power with Premium Seat 2WD 62853 Diesel Hybrid Power 3WD 62854 Diesel Hybrid Power with Premium Seat 3WD WARNING WARNING If incorrectly used this ma...

Page 2: ...2 8 Vibration Level 14 2 9 Weights and Dimensions 15 2 10 Accessories Support Literature 15 3 DECALS 3 1 Decals 16 4 CONTROLS 4 1 Icons 22 4 2 Instrument Panel 23 4 3 Operator Controls 24 4 4 Operator...

Page 3: ...ights Early Units 79 10 7 PDU Early Units 79 10 8 PDU Later Units 80 11 ADJUSTMENTS 11 1 General 81 11 2 Bedknife To Reel 81 11 3 Bedknife Adjustment 82 11 4 Cutting Height 82 11 5 Reel Assembly 83 11...

Page 4: ...air cleaner indicator Fuel is flammable Use caution when you add the fuel to the mower e Operate the mower in daylight or in good artificial light Use caution when you operate the mower during bad wea...

Page 5: ...When you hit an object or mower starts to cause the vibration that is not normal inspect the mower for damage and make repairs q Decrease the throttle setting before you stop the engine r Do not use t...

Page 6: ...ry can release hydrogen gas that is explosive To prevent an explosion keep any device that can cause sparks or flames away from the battery i Disconnect the battery charger from the power supply befor...

Page 7: ...iency Adjustments and maintenance should always be performed by a qualified technician If additional information or service is needed contact your Authorized Jacobsen Dealer who is kept informed of th...

Page 8: ...mowers 62853 Eclipse 322 3WD 13 3 hp T4 diesel engine power module power steering Without mowers 62854 Eclipse 322 3WD 13 3 hp T4 diesel engine power module power steering and premium seat Without mo...

Page 9: ...n Capacity 3 4 quarts 3 2 liter with filter Type SAE 20W SAE 30W API Classification CD CE Air Filter Dry type with evacuator valve and service indicator Alternator 40 amp Cooling System Liquid Cooled...

Page 10: ...battery dealer 2 5 CUTTING UNITS __________________________________________________________ Reel 3 Reels 22 in 55 9 cm wide Reel Diameter 5 in 12 7 cm Blade Options 7 9 11 or 15 blades Cutting Width...

Page 11: ...de producto Produktkod V run mer Produktkode Framlei slun mer r n Kodu 62800 62801 62802 62803 62804 62805 62825 62826 62851 62852 62853 62854 Machine Name N zev stroje Maskinnavn Machinenaam Masina n...

Page 12: ...ttery 2WD 97 dB A LWA Gas Hybrid 3WD 101 dB A LWA Gas Hybrid 2WD 103 dB A LWA Diesel Hybrid 3WD 99 dB A LWA Diesel Hybrid 2WD 101 dB A LWA Conformity Assessment Procedure Noise Postup hodnocen pln n p...

Page 13: ...nev ben meghatalmazott szem ly akinek jog ban ll m dos tania a nyilatkozatot a m szaki dokument ci t rzi enged llyel rendelkezik a m szaki f jl ssze ll t s hoz s aki a k z ss gben letelepedett szem ly...

Page 14: ...5349 2 2001 The mower was tested for Whole Body vibration levels The operator was in the normal position to drive the vehicle with two hands on the steering mechanism The cutting device was in rotatio...

Page 15: ...ick Roll Set of 3 Requires 4211921 68664 Spiker Set of 3 Requires 4211921 68665 Quick Roll or Spiker Mounting Kit 4211921 Traction Tire Kit 62817 Turf Groomer 1 4 Spacing 67966 Turf Groomer 1 2 Spacin...

Page 16: ...t and clothing away from moving parts Before you clean adjust or repair this equipment disengage all drives engage parking brake and stop engine Never carry passengers Keep bystanders away Do not use...

Page 17: ...hine or emptying grass catchers WARNING Read all mower manuals before operating or performing any maintenance 4169840 REV A DANGER 1 Keep a safe distance from the machine Keep bystanders away 2 Proper...

Page 18: ...STARTING ASSIST FLUIDS Use of starting assist fluids in the air intake system may be potentially explosive or cause a runaway engine condition This could result in serious engine damage 4181862 WARNIN...

Page 19: ...S 3 en 19 Familiarize yourself with the following decals They are critical to the safe operation of the mower REPLACE DAMAGED DECALS IMMEDIATELY 4216820 Rev A Disconnect Steering Chain before towing m...

Page 20: ...mation please refer to the Parts and Maintenance Manual Spark Plugs Gas I C II Wiring Diagram Model Cooling System Belts Hoses C Fuel Filter Fuel Lines and Clamps R A VII I A R Every 200 R II I C IV I...

Page 21: ...Jacobsen Every Battery Terminals SAE 30 Oil Electrolyte L Check Entire Machine for Fluid Leaks L Check Reel Set up Check Tire Pressure Every 40 Every 500 Type Electrical System Wiring For additional...

Page 22: ...lf with the icons shown above and what they represent Learn the location and purpose of all of the controls and gauges before operating this mower 48 V 12 V Read Manual Horn Lights Reel System Off On...

Page 23: ...Right Reel Switch Used to engage and disengage the right reel Mow switch B must be in the ON Push front of switch position for switch to function When right reel switch is moved to the OFF position ri...

Page 24: ...ment Lever Pull lever up and slide seat forward or backward Release lever to lock seat in place R 12 Volt Accessory Outlet Located inside armrest storage compartment Allows operation of approved 12 vo...

Page 25: ...the right side of the mower Armrest can also be adjusted to three different heights Z Center Reel Swing Arm Service Latch Used to secure center reel swing arm in service position AA Fuel Filler Neck...

Page 26: ...LDU indicates the controller system has detected a fault See fault message displayed on LCD 12V Light Hybrid Power Modules Only Red 12V light located on right side of the LDU indicates the engine alt...

Page 27: ...967 cm Mode 3 Roller This mode is used when the reels are removed and the optional Quick Roll greens rollers are installed Reel motor operation is disabled Mode 4 Verticut This mode is used when optio...

Page 28: ...Notify maintenance personnel if one reel motor is drawing a higher current load than the other two motors The screen displays the reel motor current for all three reels The number in the upper left c...

Page 29: ...number in the upper left corner of the screen is for the left reel motor the number in the upper right corner of the screen is for the right reel motor and the number on the second row of the screen...

Page 30: ...e black button AL to enter set mode Use the orange buttons to raise AN or lower AM the number of reel blades press the black button to set speed Entering the wrong number of blades will affect the fix...

Page 31: ...n Enter backlap mode 3WD CHANGE 2WD 3WD Mode CFG REEL DIRECTION Set reel motor rotation direction Hours 00000 0 Displays engine operation hours SWITCH STATUS 000 0000 00 Displays switch settings Chang...

Page 32: ...de and overrides the reel speed setting As mower travel speed increases or decreases reel speed will automatically adjust as required to maintain set FOC Adjust FOC with Reel Speed Setting 1 Using the...

Page 33: ...16 1 871 1 829 2 50 0 098 0 095 0 093 0 090 0 088 0 086 0 084 0 082 0 080 4 02 2 484 2 416 2 353 2 293 2 235 2 181 2 129 2 079 2 032 2 75 0 108 0 105 0 102 0 099 0 097 0 094 0 092 0 090 0 088 4 43 2 7...

Page 34: ...13 2 552 2 494 2 50 0 133 0 130 0 126 0 123 0 120 0 117 0 114 0 112 0 109 4 02 3 387 3 295 3 208 3 126 3 048 2 974 2 903 2 835 2 771 2 75 0 147 0 143 0 139 0 135 0 132 0 129 0 126 0 123 0 120 4 43 3 7...

Page 35: ...93 3 119 3 048 2 50 0 163 0 159 0 154 0 150 0 147 0 143 0 140 0 136 0 133 4 02 4 139 4 027 3 921 3 821 3 725 3 634 3 548 3 465 3 387 2 75 0 179 0 174 0 170 0 165 0 161 0 157 0 154 0 150 0 147 4 43 4 5...

Page 36: ...05 4 010 3 919 2 50 0 210 0 204 0 198 0 193 0 189 0 184 0 180 0 175 0 171 4 02 5 322 5 178 5 042 4 913 4 790 4 673 4 562 4 456 4 354 2 75 0 230 0 224 0 218 0 213 0 207 0 202 0 198 0 193 0 189 4 43 5 8...

Page 37: ...essed the greater the regenerative action Once the vehicle comes to a complete stop the parking brake will automatically be applied 4 9 LIFT SYSTEM ____________________________________________________...

Page 38: ...function is not disabled in test 3 l the mow traction and steering functions are not disabled during test 2 and 5 3 Refer to the chart below for each test and follow the check 4 marks across the chart...

Page 39: ...g an obstruction or if the mower begins to vibrate abnormally Have the equipment repaired before resuming operation 10 Slow down and use extra care on hillsides Read Section 5 11 Use caution when oper...

Page 40: ...tion do not attempt to start engine until glow plug light turns off 3 Turn system power switch H to START position Battery Power Module Release key green power light will be solid on and traction and...

Page 41: ...diesel hybrid power module there are two hybrid operating modes available Normal Mode Normal mode is the default operating mode Engine speed is automatically adjusted by the APU controller to meet gen...

Page 42: ...sted for any change in vehicle speed which is determined by the speed sensor in the drive motor If the unit is not in motion or if there is no speed sensor signal the center reel delay will default to...

Page 43: ...by a few inches 6 After all of the straight passes have been made make one final pass around the outer edge of the green This final pass should always be in the opposite direction from the last time...

Page 44: ...for maximum traction Front 16 psi 1 11 BAR Rear 20 psi 1 38 BAR Figure 5B Figure 5C WARNING To minimize the possibility of overturning the safest method for operating on hills and terraces is to trave...

Page 45: ...D Inches with 1 Yard Level A Millimeters with 1 Meter Level A Slope in Degrees Slope Grade 3 4 8 8 3 100 5 7 10 0 150 8 5 15 6 9 5 16 7 200 11 3 20 0 7 5 11 8 20 8 225 12 7 22 5 9 250 14 25 0 275 15...

Page 46: ...ke See Section 5 13 2 Make sure reels are raised If they cannot be raised remove them from the mower 3 Make certain key switch is in OFF position and key removed 4 Use a winch or other device to load...

Page 47: ...ve them from the mower 6 Make certain key switch is in off position and key is removed 7 Use caution when towing Avoid steep inclines Steep inclines may cause tow bar to contact and damage hood and ho...

Page 48: ...5 OPERATION en 48 Figure 5F ZU ZV ZW...

Page 49: ...y to within 1 in 2 5 cm below the filler neck Only fill fuel tank with mower sitting on a flat and level surface Diesel Engine Use clean fresh 2 low or ultra low sulfur diesel fuel Minimum Cetane Rati...

Page 50: ...thium based grease to the seat runners 4 For smooth operation of all levers pivot points and other friction points that are not shown on the lubrication chart apply several drops of SAE 30 oil every 4...

Page 51: ...0 Hours Every 1000 Hours See Section Lubricant Type Air Filter Diesel I C R 8 5 Air Filter Pre Cleaner Gas I C 8 4 Air Filter Cartridge Gas I C R 8 4 Battery Electrolyte Battery I A Battery Fluid Batt...

Page 52: ...rs Because it is lighter than air it will collect in the ceiling of buildings necessitating proper ventilation Air exchanges of 5 changes per hour is considered the minimum requirement Never smoke aro...

Page 53: ...sed on a standard 78 F 25 5 C battery temperature Using the DOD refer to the right side chart in Figure 7B to determine theoretical life cycles As a battery ages it still performs adequately except th...

Page 54: ...rging check the level again and add water as required to bring it to the proper level To fill batteries using the battery filling system 1 Fully charge the battery pack 2 Fill battery filling system t...

Page 55: ...battery cells after fully charging the batteries 6 Periodically spot check the electrolyte level in the cells 7 6 BATTERY PERFORMANCE__________________________________________________ To ensure maximu...

Page 56: ...C cord from the wall outlet first then disconnect the cord from the mower Store the AC cord in a safe location for the next time charging is required Buffer Batteries on Hybrid Power Modules The buffe...

Page 57: ...digit then a pause and then repeat for 11 seconds For algorithm 38 the following sequence will flash on the LED Flash Flash Flash Pause Flash Flash Flash Flash Flash Flash Flash Flash Pause Repeat 6 D...

Page 58: ...bottom level of battery tray as they will tend to pick up more sand and debris The correct cleaning technique is to spray the top and sides of the batteries with a solution of sodium bicarbonate bakin...

Page 59: ...r reading varies by more than 30 points 0 030 between two cells in the same battery and the electrolyte level is not low it is a bad cell and the battery should be replaced If one of the batteries hav...

Page 60: ...lts 4 During the discharge time periodically measure the battery pack voltage Use a volt ohm meter set to measure DC volts Connect the black lead of the volt ohm meter to the black cable of the discha...

Page 61: ...k e Let the batteries rest for at least 1 2 to 1 hour after the charge is complete 2 Open circuit voltage test a Check and record open circuit voltage of each battery All batteries in a good set shoul...

Page 62: ...7 BATTERIES en 62 c Any battery that is 0 5 volt lower than the highest battery voltage may have failed Make a note of the battery location in the pack...

Page 63: ...oots a Connect Cable 1 to Negative terminal of Battery C b Connect Cable 2 to Positive terminal of Battery D c Connect Cable 3 to Negative terminal of Battery A d Connect Cable 4 to Positive terminal...

Page 64: ...ct the engine manufacturer The proper break in of a new engine can make a considerable difference to the performance and life of the engine Note The mower is designed to operate and cut most efficient...

Page 65: ...k Use only engine oils with API classification SF SG SH Figure 8A Figure 8B 8 4 GAS ENGINE AIR FILTER ___________________________________________________ 1 Remove and service the foam pre cleaner ever...

Page 66: ...from your fuel supplier Never overfill or allow the tank to become empty Check fuel lines and clamps every 50 hours Replace fuel lines and clamps at the first sign of damage Diesel Engine Use clean f...

Page 67: ...the BLACK jumper cable from the negative terminal on the good battery to the negative terminal on the discharged battery After cables have been connected start the engine on the vehicle with the good...

Page 68: ...ture of clean water and ethylene glycol based anti freeze for 50 50 mixture Read and follow the instructions on the anti freeze container and engine manual Keep radiator air passages clean Use compres...

Page 69: ...y Style Remove rubber plug A Early from differential cover Fluid level should be between 1 1 8 in 2 8 cm and 1 1 4 in 3 2 cm below fill hole Add Mobilfluid 424 or SAE 30 wt as required to bring fluid...

Page 70: ...rosscut position of the left reel Press the left orange button AN on the LDU to save the crosscut position for the center reel Repeat for the right reel c Lower all three reels until the left reel act...

Page 71: ...ed motors will start rotating and horn will periodically chirp 6 Turn mow switch E and desired reel switches F G and H to ON position 7 Adjust reel speed between 150 and 400 rpm using the orange butto...

Page 72: ...el ignition switch controller or any other electrical components or at bearing housings and seals 4 Clean all plastic or rubber components with a mild soap solution and warm water or use commercially...

Page 73: ...MAINTENANCE 9 en 73 WARNING NEVER use your hands to clean cutting units Use a brush to remove grass clippings from blades Blades are extremely sharp and can cause serious injuries...

Page 74: ...nd refill with fresh oil Let engine cool before storing 2 Clean exterior of engine Paint exposed metal or apply a light coat of rust preventative oil Diesel Hybrid Add a fuel conditioner or biocide to...

Page 75: ...of the unit below the hood Steering controller is used to control the power steering system The steering controller has one green light for diagnostics Main Controller Unit MCU Located to the left of...

Page 76: ...icates the controller is active A flashing light indicates a steering system fault error has occurred Open the hood and remove controller cover to access the steering controller G 3WD Controller Diagn...

Page 77: ...INPUTS OUTPUTS Lamp Circuit Lamp Circuit 1 CAN Low 3 Left Reel Clockwise Counter Clockwise 2 CAN High 4 Left Reel Forward Reverse 9 48 Volt DC 5 Left Reel Raise 6 Left Reel Lower 7 Right Reel Motor 8...

Page 78: ...Fire Solenoid 3 12 Volt DC Power In 6 Glow Plug Relay 13 Spare 12 Volt Digital Low In 7 Start Relay 14 Genset Status 8 Traction Contactor Output 15 Program Select 4 9 Head Light 16 Program Select 3 1...

Page 79: ...and ground cable studs Inside the PDU are the following components Traction Contactor Used to control 48 volt power output to TCU and OLM 48 Volt Contactor Used to control 48 volt power output to MCU...

Page 80: ...M 48 Volt Contactor Used to control 48 volt power output to MCU RCU SCU and other components 12 Volt Relay Used to control 12 volt power output to MCU 12 volt lights and engine components 150 Amp Fuse...

Page 81: ...or damage is beyond the point where the reel or bedknife can be corrected by the lapping process they must be reground 4 Proper reel to bedknife adjustment is critical A gap of 0 001 to 0 003 0 0025 t...

Page 82: ...l length of the reel when the paper is held at 90 to the bedknife Figure 11C 11 4 CUTTING HEIGHT _________________________________________________________ Note Always make the reel to bedknife adjustm...

Page 83: ...t moving parts and secure harness to lift arm using one cable tie AW and lift yoke using two cable ties AV 9 Route left front reel motor harness along lift yoke and under lift arm Open connector cover...

Page 84: ...king turns Pre Adjustment On the end of the reel stabilizer rod with the springs and lock collar the adjustment is set at the factory and should not need to be changed To set adjustment after replacem...

Page 85: ...t Figure 11P 11 10GRINDING BEDKNIFE ______________________________________________________ Bedknife can be lowered out of the reel for grinding without completely removing the bedknife assembly 1 Remo...

Page 86: ...e 11K 11 13ARMREST PIVOT__________________________________________________________ 1 Tighten or loosen pivot plunger W as required so plunger button stops the armrest at both ends of armrest pivot slo...

Page 87: ...n left and right reel stop hardware AA 2 Start mower turn mow switch on and fully raise reels Shut off mower 3 Adjust left reel stop bracket AB so reel stop pin AC is resting in bracket slot Tighten h...

Page 88: ...nsert access plug Figure 11S 11 19TRACTION PEDAL ADJUSTMENT ____________________________________________ Check traction pedal adjustment if mower is not maintaining correct speeds 1 Obtain optional pe...

Page 89: ...ntroller cover 2 Loosen controller brace hardware ZA 3 Adjust position of controller brace ZD as required to allow an air gap of 1 8 to 3 16 in 0 32 to 0 48 cm between magnetic portion of sensor ZB an...

Page 90: ...nut AW and turn throttle link AX as required so hole in throttle link AX visually aligns with throttle linkage BA TIghten nut AW 10 Remove throttle linkage BA from lever BB 11 Connect throttle linkag...

Page 91: ...4 86 7 85 115 90 122 120 162 12 24 in lb Nm 50 5 7 65 7 3 9 16 12 ft lb Nm 82 111 109 148 115 156 154 209 1 4 20 in lb Nm 75 8 4 100 11 3 107 12 1 143 16 1 9 16 18 ft lb Nm 92 124 122 165 129 174 172...

Page 92: ...Engine oil pressure low Return mower to maintenance shed Transport speed will be limited to 3 mph 4 8 kph 4 4 4 4 4 Diesel engine coolant above 230 vF 110 C Return mower to maintenance shed Transport...

Page 93: ...mower to maintenance shed 4 4 4 4 4l Right Reel Motor Short Circuit Shut mower off and remove key Check reel for blockage Restart mower If fault returns return mower to maintenance shed 4 4 4 4 4l Lef...

Page 94: ...t point Shut mower off and remove key Check reel for blockage Restart mower If fault returns return mower to maintenance shed Excessive grass height being mowed 4 4 4 4 4 Right Reel Motor RPM is not w...

Page 95: ...ht Actuator or wiring Short Circuit Shut off mower and remove key Check both actuator connectors for a tight connection Check visible portion of wire harness for damage Restart mower If fault returns...

Page 96: ...ff Yes No Yes No Yes No Yes No Software detected short circuit in controller cabling to motor or in motor Measured current is 50 above the 2 min rating current Shut mower off then restart If fault ret...

Page 97: ...mower off and wait ten minutes Restart mower If fault returns mower must be towed back to maintenance shed 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 Heatsink temperature is above 185 F 85 C Shut mower off and wai...

Page 98: ...ve is tripped Shut mower off then restart If fault returns mower must be towed back to maintenance shed 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 Direction Error Traction fault Shut mower off then restart If faul...

Page 99: ...wed back to maintenance shed 4 4 4 4 4 Center switch has not reached cam end within 6 seconds Shut mower off then restart If fault returns mower must be towed back to maintenance shed 4 4 4 4 4 The po...

Page 100: ...to maintenance shed 4 4 4 4 4 8040 Difference between set value and actual value for speed regulator are above limit Shut mower off then restart If fault returns mower must be towed back to maintenan...

Page 101: ...LM detects no current through resistor 1 Check wiring resistor and resistor bank ground connection Restart mower Continue with normal operation Notify maintenance personnel at end of shift 4 4 4 4 4 O...

Page 102: ...aded Restart mower Continue with normal operation Notify maintenance personnel at end of shift 4 4 4 4 4 OLM detects a short circuit to ground in resistor 4 Resistor is no longer operable Check wiring...

Page 103: ...el at end of shift 4 4 4 4 4 Generator temperature greater than 212 F 100 C or rectifier temperature greater than 176 F 80 C Generator derates Shut mower down and wait ten minutes Restart mower If fau...

Page 104: ...eed is set to idle Shut mower down and wait ten minutes Restart mower If fault returns return mower to maintenance shed 4 4 4 4 4 Rectifier temperature less than 20 F 29 C Engine speed is set to idle...

Page 105: ...Check MCU LED s 2 and 3 to see if they are on If not on check to see if circuit breaker 6 is tripped Ensure a Genset program is selected Check MCU LED 18 on for Gas or 17 on for Diesel If neither are...

Page 106: ...or shorted wire to GND for Pull and Hold sole noids power No 12V power to MCU Overcurrent protec tion device in PDU may be tripped Check for open connection or shorted wire to GND for MCU 12V power C...

Page 107: ...ble if FOC is not zero Reel motors should come on when machine starts moving forward Fault Code on LDU Review any fault codes and take appropriate action No power to reels When actuators are down chec...

Page 108: ...ion 8 Reel Speed 14 2 WASHBOARDING _________________________________________________________ NOTE Arrow indicates direction of travel Washboarding is a cyclical pattern of varying cutting heights resu...

Page 109: ...st cases the wave tip to tip distance is 2 in 5 cm or less Probable Cause Remedy Mowing ground speed is too fast Reduce mowing ground speed HOC height of cut setting is too low for turf conditions Che...

Page 110: ...height of cut settings are different from one side of a reel to the other or from one cutting unit to another Check HOC adjustment of cutting units Worn front roller bearings Check replace front roll...

Page 111: ...r even brown patch This is usually caused by an excessively low height of cut HOC setting and or uneven turf Probable Cause Remedy HOC height of cut settings are lower than normal Check adjust the HOC...

Page 112: ...use Remedy Bedknife improperly adjusted Adjust reel to bedknife setting Dull reel or bedknife cutting edges Sharpen or replace reel blade and bedknife as necessary Mowing ground speed is too fast Redu...

Page 113: ...d or unevenly worn reel Inspect reel Replace as needed Loose or missing bedknife fasteners Check bedknife screws Tighten loose screws replace missing screws Turning too aggressively Cutting units don...

Page 114: ...deposit of clippings concentrated at one end of cutting unit s or between two cutting units forming a line in the direction of travel Probable Cause Remedy Grass is too tall Mow more often Mowing whil...

Page 115: ...knife and reel Sharpen or replace reel and bedknife as necessary Missing loose or overtorqued bedknife screws Install replace or tighten bedknife screws to proper torque setting Mowing ground speed is...

Page 116: ...rained technicians backed by Genuine Jacobsen Parts provide reliable high quality product support Europe Rest of The World Except North South America Ransomes Jacobsen Limited West Road Ransomes Europ...

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