National Mower I-TRIM, Owner'S Manual

Page 1: ...00 Raymond Ave P O Box 14299 St Paul Minnesota 55114 0299 U S A Phone 651 646 4079 Fax 651 646 2887 www nationalmower com MARCH 2006 I TRIM OWNER SMANUAL Includes Specifications Assembly Operation Maintenance Parts Lists ...

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Page 3: ...ion 35 Screen box guards ROPS 36 37 Deck Lift Arms and Pull Arms 38 39 Seat Wheels Engine Radiator tank 340 41 Wheel Motors Filters Hyd Comp 42 43 Pedal Assy Hyd Pumps 44 45 Front Axle Fuel Tank Frame 46 47 Engine and Radiator Assembly 48 Rear Mower Deck Assembly 49 Right Mower Deck Assembly 50 Left Mower Deck Assembly 51 Hydraulics Deck Motors Oil Cooler 52 53 Hydraulics Wheel Motors Steering 54 ...

Page 4: ...dren or pets are nearby Do not carry passengers Keep in mind that the operator or user is responsible for accidents or hazards occurring to other people or their property All drivers and mechanics should seek and obtain professional and practical instruction The owner is responsible for training the users Such instruction should emphasize the need for care and concentration when working with ride ...

Page 5: ... ground disengage the power take off and blade rotation and lower the attachments Change into neutral and set the parking brake stop the engine and remove the key Keep hands and feet away from the cutting units Stop the engine and disengage drive to attachment before refuelling before removing the grass catchers before making height adjustment unless adjustment can be made from the operator s posi...

Page 6: ...w to stop the engine quickly Wearing safety shoes and long pants is advisable and required by some local ordinances and insurance regulations The operator must be skilled and trained in how to drive on hillsides Failure to use caution on slopes or hills may cause loss of control and cause the vehicle to tip or roll possible resulting in personal injury or death IMPORTANT CALIFORNIA Proposition 65 ...

Page 7: ...ylocationsthroughout the machine to aid the operator in identifying controlling andoperatingtheI Trimsafelyandcorrectly Itisimportant that all decals are clean and visable at all times Replace decals that are damaged missing or accidently painted over A B D E C ...

Page 8: ...8 F G H J I ...

Page 9: ... Fluid Top of hydraulic tank F 07778 Warning light identification Left side panel G 07779 Key Switch and deck rotation switch Right side panel H 07777 Engine Speed Left side panel I 07411 Danger Top of rear and wing mower decks J 07780 Deck lift Top of right operator panel K 07795 Warning Decal Top of steering column L I Trim Serial Number Right side of steering column M 08092 Instruction Decal AN...

Page 10: ...signations of right left front and rear are used in the position of the operator sitting in the seat Metric equivalents are provided wherever possible for users outside of the United States RECEIPT OF SHIPMENT Carefully inspect your machine and crates for damage that could have occured during shipment If damages or shortages are noted have the transportation company s representative note this on t...

Page 11: ...t operated traction pedal for forward and reverse hand operated throttle conttrol electric valve for cutting units and hand operated parking brake 1 SPECIFICATIONS BATTERY TYPE Exide Model 60 Premium Type 78 60 12 V side post 7 3 16 18 cm height 6 17 cm width 10 1 4 26 cm length 1 5 CUTTING UNIT SPECIFICATIONS CUTTING UNIT 3 26 66m wide decks BLADES 2 Right hand 26 66 m wide blades 1 Left hand 26 ...

Page 12: ... is fully assembled with decks Re engage parking brake Use jack stands under tractor whenever elevated off the tires Do not engage deck motors untill tractor is fully assembled with decks 2 2 REAR DECK ASSEMBLY 1 Remove crating top front and sides from deck crate Unscrew blades from crate 2 Remove rear deck from crate and position behind tractor as shown in Figure C Remove roll pin and washer from...

Page 13: ... D using supplied botts and nyloc nuts Note install ring spacer between motor and deck 2 Install lift chains on rear deck with supplied bolts Note The rear deck has a anti flip chain with quick release connector link to allow easy removal for HOC adjustments 2 5 ROPS 1 Install roll over protective structure with supplied bolts and nuts as shown on Fig E ROPS can be installed with seat in forward p...

Page 14: ... level before starting Refer to separate engine manual included with each I Trim Mower 2 7 HYDRAULIC OIL 1 The hydraulic oil has been installed in the oil tank 1 Fig G at the factory however it is recommended that the oil level be check before operation 2 Check oil level by removing pipe cap The oil level should be at the bottom edge of the screen If required add a small amount of oil to the tank ...

Page 15: ...witches may be required After engine is started it will continue to run if you leave the seat as long as the deck switch is off and the pedal is in neutral 3 GENERAL INFORMATION If adjustments are necessary see section 5 0 of the is manual for instructions 3 1 ENGINE Your machine is powered by a 3 cylinder Briggs and Stratton turbocharged diesel engine which uses diesel fuel Engine speed is contro...

Page 16: ... J and turn clockwise to on position and wait until the glow plug light turns off After light turns off turn key clockwise as far as it will go to start engine then release The deck rotation control switch must be in the off position the traction control pedal in the neutral position and a operator must be sitting on the seat before starting engine Do not hold key in ON position more than 15 secon...

Page 17: ...on the pump is not bottomed out by watching the linkage deflection when pedel is all the way down 4 7 DECK LIFT The Deck Lift valve 7 Fig J will lift both wing decks and rear deck by pulling lever to rear Pushing lever to front will lower all deck to the ground Always lower decks for mowing and storage Do not stand on mowers when in lifted position 4 8 PARKING BRAKE A convenient parking brake 8 Fi...

Page 18: ...lways lower deck mowers so that when exiting the mower and stepping on the non skid pads of the wing mowers it will not put excessive strain on the lift mechanism 6 Operate at speeds which allow you to have complete control of the tractor and allow you to stop the tractor or maneuver safely in case of an emergency It is recommended that you adjust the Speed Control 6 Fig J to maintain a constant p...

Page 19: ...tion must still be used during slope operation especially when the grass is wet Wet grass limits traction and steering control In order to minimize the possibility of tipping the least danger ous method of operating on hills and terraces is to travel horizontally to the hill It is also advisable to avoid any unneces sary turns while operating on hills Use extreme caution and travel at reduce speed...

Page 20: ...creep elevate the wheels off the ground and support the vehicle with jack stands Any adjustments should be done while the hydraulic oil is warm 2 To adjust the creep of the drive wheels loosen the fastener attaching the clevis to the control arm Rotate the clevis and re atach to achieve neutral 3 Once the traction pedal has been adjusted the safety switch 2 Fig M should not have to be re adjusted ...

Page 21: ...ance or lu brication place all controls in neutral lower the mowers to the ground engage parking brake turn ignition switch off and remove key Use heavy gloves and be careful Blades are very sharp 2 Make sure adjustment nuts are tight before mowing IMPORTANT 6 6 BLADE REPLACEMENT PROCE DURE Replace blades with factory blades only Standard discharge blades and mulching blades are available Note The...

Page 22: ...l parts properly adjusted Inspect for loose worn or damaged parts Keep shields in place at all times Keep tires properly inflated If your inspection reveals worn or damaged parts replace these parts before operating machine or before actual breakdown occurs To avoid injury from hot high pressure oil never disconnect hydraulic hoses with attachments in up position Never rub hands across tubes hoses...

Page 23: ...ral and shut off engine before inspecting hydraulic lines or hoses Never run hands across tubes hoses or fittings to check for leaks Hydraulic hose and tube lines should be inspected every week to check for cuts loose connections kinks and wear Be sure tubes and hoses do not come in contact withother frame parts which could cause abrasive wear Always replace worn hoses or tubes before operating ma...

Page 24: ...resent of water noted by a cloudy or milky appearance Present of air noted by foaming Excessive heat noted by rancid odor 5 To drain hydraulic oil tank remove the drain plug in the back of the hydraulic tank 6 Reinstall drain plug and fill hydraulic tank until the oil is evel with the bottom of the screen in the fill tube Use only filtered hydraulic oil The total hydraulic system oil capacity is a...

Page 25: ...I TRIM 25 THIS PAGE IS BLANK ...

Page 26: ...ide of Engine Replace 1 20 Yearly Pedal Shaft Bushings Behind Bumper Grease Lithium 2 21 200 Hydraulic filters 2 RH shroud steering Replace 2 22 200 Hydraulic Tank To Left side of Engine Drain Flush Refill 1 23 Yearly Radiator Engine Block Change Coolant 1 7 14 LUBRICATION Fre No Item quency Location Type of of Hrs Lubrication Places Figure U shows the top view of the I Trim with guards removed Lu...

Page 27: ...I TRIM 27 18 19 21 7 14 7 7 13 17 1 2 7 7 3 9 5 15 7 7 7 7 4 12 12 12 20 12 12 22 12 7 5 11 10 6 8 8 8 8 16 23 ...

Page 28: ...8 5 TIRES 1 Before storing the vehicle clean the tires thoroughly 2 Jack up the vehicle so that the load is off the tires If it is not jacked up check the tires at regular intervals and re inflate as necessary to keep them at the recommended maximum pressure Indicated on tires side wall 3 Store the vehicle so that the tires are protected from sunlight 8 6 STARTING THE ENGINE AFTER STORAGE If mower...

Page 29: ...ey and set parking brake 1 MAKE WORK AREA SAFE Make sure personnel in the area are out of harms way if the engine starts or the decks run unexpectedly Engage the vehicle parking brake 2 READ MANUAL Become familiar with wiring diagram and the locations of the various electrical components 3 DISCONNECT HOUR METER BEFORE REMOVING SIDE COVER It may be necessary to remove both side covers rear cover an...

Page 30: ...y 2 Connect the contact terminals together with a temporary jumper made with spade terminals and 10 GA wire 3 Turn the ignition switch to the start position If engine doesn t crank 1 With a test light check for power at plastic connector on the starter solenoid while an assistant turns the key If test light doesn t come on The problem is in the wiring or terminals between the start relay and the s...

Page 31: ...he blade relay indicator light are not on troubleshoot the pedal and blade relay circuits individually as follows If the pedal relay indicator light is off with seat and run relay indicator lights on Temporarily put jumper between terminals J3 3 and J3 4 on the SIB The jumper can be a thin piece of U shaped wire inserted into the backside of the connector The pedal relay indicator light the second...

Page 32: ...raulic valve 2 Start engine put deck run switch to on position 3 Check terminals of wiring connector with test light If light comes on Test the resistance of the deck run hydraulic valve coil at coil connector The resistance should be approximately 4c ohms Current flow through the coil therefore should be approximately 3 amps at 14 volts If the coil resistance is correct the problem is not in the ...

Page 33: ...K RED 12 51 BLU INDICATOR SWITCHES SEAT PEDAL GROUND ITRIM WIRING DIAGRAM L B S FRAME SWITCH 85 30 87 86 WHT JUMPER IGNITION RELAY BATTERY STARTER START GROUND FRAME GROUND ENGINE FILTER FUEL PLUGS IG ALTERNATOR L GLOW PANEL VALVE RUN PUMP FUEL PRESSURE OIL TEMPERATURE LTBLU RED 0 26 LTBLU RED 2 22 LTBLU WHT 53 4 RED LTBLU 24 RED RED BLK 1 RED 3 RED 5 ENGINE BREAKER CIRCUIT BUTTON RED 6 RED 5 RED ...

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Page 35: ...I TRIM 35 ...

Page 36: ...36 FIGURE 1 23 4 5 3 6 7 8 9 10 11 12 13 15 16 19 20 2 1 18 21 17 22 24 ...

Page 37: ...MN 9 1 07071 STEERING WHEEL 10 1 07731 ROPS FULL VISION 11 1 07065 KEY SWITCH 12 1 07496 SWITCH DECK MOTOR 13 4 07399 KNOB DAVIES MOULDING CO 3035 14 1 306227 HOOD 15 1 07695 STARTER SOLENOID RELAY WAYTEK 75002 16 1 07700 CIRCUIT BREAKER WAYTEK 46374 17 4 07840 LATCH 18 1 306438 WELDMENT SIDE COVER RH 19 1 306351 ASSY INSTRUMENT PANEL RH 20 1 306350 WELDMENT REAR COVER 21 1 306489 WELDMENT SCREENB...

Page 38: ...38 FIGURE 2 7 1 5 6 8 9 10 11 6 12 15 16 1 2 9 17 18 19 20 21 22 23 24 25 26 18 27 28 2 2 30 31 29 13 23 32 32 13 6 2 3 4 4 ...

Page 39: ...14 1 04079 EXTERNAL RETAINING RING 1 00 ID H D McM 98585A121 15 1 306359 NON SKID WING PULL ARM 16 1 306232 WELDMENT UPPER PULL ARM R 17 1 306234 WELDMENT LOWER PULL ARM R 18 4 04048 ROLL PIN 25 X 1 5 19 2 07714 LIFT SPRING REAR PULL ARM 20 2 306320 END CAP SPRING MOUNT OUTER 21 1 07710 LIFT CYL REAR DECK 22 1 306128 WELDMENT LIFT ARM RR PULL FRAME 23 2 02061 HEX BOLT 13 UNC x 1 24 1 306129 BUSHIN...

Page 40: ...40 FIGURE 3 2 7 1 2 4 6 8 1 0 1 1 1 2 5 1 3 1 4 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 9 7 3 1 5 2 8 2 6 ...

Page 41: ... 312 18 X 7 McM 91247A609 11 1 306238 STRAP BATTERY HOLDDOWN 12 2 07018 FRONT WHEEL TIRE 13 1 07733 PRE CLEANER 14 1 07708 MUFFLER 15 1 B S 825117 CLEANER AIR 16 1 07771 AIR INLET HOSE 17 2 07681 REAR WHEEL TIRE TURF TAMER 23X10 5X12 18 1 306369 STRUT REAR COVER 19 1 306361 WELDMENT SUPPORT REAR COVER 20 1 306226 RADIATOR SUPPORT RH 21 1 306210 WELDMENT RAD FRAME 22 1 07683 OIL COOLER 23 4 07684 O...

Page 42: ...42 FIGURE 4 4 1 2 26 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 27 28 29 3 29 ...

Page 43: ...26 BRAKE CALIPER RH 13 1 306221 WELDMENT FIREWALL 14 1 07687 CHECK VALVE HYDRAULIC 15 4 07682 ISOLATION MOUNT 16 4 306150 PLATE ENGINE MOUNT 17 2 07693 WHEEL MOTOR END PORT CHAR LYNN 18 2 07727 HUB REAR WHEEL 19 10 07269 LUG BOLT 20 1 07725 BRAKE CALIPER LH 21 1 B S 820373 MODULE PREHEAT 22 1 07695 GLOW PLUG RELAY WAYTEK 75002 23 1 07716 CIRCUIT BOARD 24 4 07728 SPACER CIRCUIT BOARD McM 94639A454 ...

Page 44: ...44 FIGURE 5 16 4 6 2 7 10 11 13 11 14 11 13 11 15 11 8 11 15 8 21 17 7 18 19 5 3 1 2 6 22 20 8 8 12 12 21 9 ...

Page 45: ...I TRIM 45 FIGURE 5 PEDAL ASSY HYD PUMPS ...

Page 46: ...46 FIGURE 6A FIGURE 6B ...

Page 47: ...I TRIM 47 FIGURE 6A FRONT AXLE FUEL TANK AND FRAME FIGURE 6B FRONT WHEEL ASSY ...

Page 48: ...48 23 1 2 3 4 5 6 7 9 10 13 14 18 6 22 20 12 19 11 21 8 15 16 17 24 FIGURE 7 ENGINE AND RADIATOR ASSEMBLY FIGURE 7 NOTE CONTACT BRIGGS STRATTON FOR P NS STARTING WITH B S ...

Page 49: ...13 1 306476 DISCHARGE SHIELD RH 14 1 306368 BLADE STANDARD RH 15 1 306245 MULCHING BLADE RH 16 2 306402 WASHER SPACER 1 0X1 88 17 2 306403 WASHER SPACER 5X1 88 18 8 306404 WASHER SPACER 25X1 88 19 2 306318 DECK SPACER 1 0X1 25 20 2 306319 DECK SPACER 5X1 25 21 8 306364 DECK SPACER 25X1 25 22 1 305737 DECK MOTOR R REAR DECKS CCW 23 2 07781 LYNCH PIN 1 4 McM 90170A212 24 2 07782 LYNCH PIN 44 McM 901...

Page 50: ...PACER PLATE 14 2 306374 SPACER BLOCK 15 1 306373 FACE PLATE 16 1 306476 DISCHARGE SHIELD RH 17 1 306368 BLADE STANDARD RH 18 1 306402 WASHER SPACER 1 0X1 88 19 1 306403 WASHER SPACER 5X1 88 20 4 306404 WASHER SPACER 25X1 88 21 3 306318 DECK SPACER 1 0X1 25 22 3 306319 DECK SPACER 5X1 25 23 12 306364 DECK SPACER 25X1 25 24 1 305737 DECK MOTOR R REAR DECKS CCW 25 3 07781 LYNCH PIN 1 4 McM 90170A212 ...

Page 51: ...06442 ASSEMBLY REAR ROLLER 13 1 306028 SPACER PLATE 14 1 306373 FACE PLATE 15 2 306374 SPACER BLOCK 16 1 306476 DISCHARGE SHIELD LH 17 1 306367 BLADE STANDARD LH 18 1 306311 MULCHING BLADE LH 19 1 306402 WASHER SPACER 1 0X1 88 20 1 306403 WASHER SPACER 5X1 88 21 4 306404 WASHER SPACER 25X1 88 22 3 306318 DECK SPACER 1 0X1 25 23 3 306319 DECK SPACER 5X1 25 24 12 306364 DECK SPACER 25X1 25 25 1 3057...

Page 52: ...52 FIGURE 11 39 4 7 1 27 36 10 34 14 31 8 3 28 22 6 23 11 17 11 5 24 29 19 9 37 20 15 25 30 2 18 32 24 26 24 26 12 15 11 28 15 28 32 28 28 32 26 2 33 16 35 13 13 11 21 38 13 40 12 08 22 05 ...

Page 53: ...810 SWIVEL NUT RUN TEE 13 3 07297 FITTING 6 V50X S 14 1 07753 HOSE 20 15 4 07421 STRAIGHT THREAD ELBOW 16 1 07754 HOSE 21 17 1 07755 HOSE 22 18 1 07756 HOSE 23 19 1 07807 STRAIGHT THREAD RUN TEE 20 1 07813 TUBE END REDUCER 21 1 07757 HOSE 24 22 1 07758 HOSE 25 23 1 07759 HOSE 26 24 4 07811 STRAIGHT THREAD ELBOW 25 1 07760 HOSE 27 26 3 07800 STRAIGHT THREAD CONNECTOR 27 1 07761 HOSE 28 28 6 07287 S...

Page 54: ...54 FIGURE 12 39 4 7 1 27 36 10 34 14 31 8 3 28 22 6 23 11 17 11 5 24 29 19 9 37 20 15 25 30 2 18 32 24 26 24 26 12 15 11 28 15 28 32 28 28 32 26 2 33 16 35 13 13 11 21 38 13 40 12 08 22 05 ...

Page 55: ...I TRIM 55 FIGURE 12 HYDRAULIC WHEEL MOTORS STEERING ...

Page 56: ...UG PREHEAT 1 8 07695 RELAY GLOW PLUG 1 9 07716 SAFETY INTERLOCK PC BOARD 1 10 07787 WIRING HARNESS 1 11 07784 BATTERY CABLE NEGATIVE 1 12 07785 BATTERY CABLE POSITIVE 1 13 07786 GROUND STRAP 1 14 07835 CABLE 5 5 LONG 1 15 07836 CABLE 6 LONG 1 16 07723 SWITCH PEDAL NEUTRAL 2 17 ATC 10 AMP FUSE 10 AMP LOCATED IN SIB BOARD 1 18 SV12 34 SOLENOID VALVE HYDR HYDRA FORCE 1 P N 07787 WIRING HARNESS FIGURE...

Page 57: ...01 SEAL KIT Includes all of below 1 2 O RING 1 1 4 1 3 WEAR RING 1 5 x 38 Wide 1 4 WASHER 1 5 CROWN SEAL 1 5 1 6 O RIING 1 7 O RING 1 8 WIPER 1 FIGURE 14 STEERING CYLINDER 204382 Item Part No Description Qty FIGURE 14 ...

Page 58: ...7741 07737 07743 07752 07749 07739 07685 07686 07746 07691 07734 LEFT SIDE 204382 07735 07690 07738 07688 07736 DTE 07 07 05 2 A SHEET 1 OF 2 07748 07693 07750 TOP VIEW STEERING AND DRIVE CIRCUIT RIGHT SIDE FRONT 07693 07744 ...

Page 59: ...4 07753 07758 CIRCUIT 07692 07759 07755 MOWER DRIVE AND DECK LIFT 07756 07709 07710 SHEET 2 OF 2 07760 A DTE 07 07 05 3005037 07761 07757 07767 306005 07766 306004 07765 306004 TOP 07764 07763 07762 07691 REAR BOTTOM 07683 07769 ...

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Page 61: ... maintained in any way contrary to the operating or maintenance instructions as specified in the Operator s Manual In addition the warranty does not extend to repairs made necessary by normal wear or by the use of parts or accessories which in the reasonable judgment of National are either incompatible with the product or adversely affect its operation performance or durability National reserves t...

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