Briggs & Stratton MOWER manual

NA TIONAL MOWER CO. 700 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'S MANUAL Includes Specifications, Assembly, Operation, Maintenance & Parts Lists[...]

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I-TRIM ® 3 T ABLE OF CONTENTS Table of contents ...................................................... 3 Introduction ............................................................... 4 Safe Operating Practices ...................................... 4- 6 Decal (Transfer) Identification ............................... 7- 9 Introduction and Receipt of[...]

4 INTRODUCTION Read this manual carefully to learn how to operate and maintain your product properly. The information in this manual can help you and others avoid injury and product damage. The operator is responsible for operating this product properly and safely. This manual identifies potential hazards and has special safety messages that help y[...]

I-TRIM ® 5 Operation • Do not operate the engine in a confined space where dangerous carbon monoxide fumes can collect. • Operate only in daylight or in good artificial light. Stay alert for holes in the terrain and other hidden hazards. • Before attempting to start the engine, disengage all blade attachment clutches, shift into neutral, and[...]

6 WARNING – California, USA residents are required by law (CA PRC 4442 & CA H & SC 13005) to equip their engines with spark arresters when operating in flammable vegitation. Arresters must be obtained from your engine dealer and are not available from National Mower Company. • Be careful during adjustment of the machine to prevent entra[...]

I-TRIM ® 7 DECAL IDENTIFICA TION National has provided decals in many locations throughout the machine to aid the operator in identifying, controlling and operating the I-Trim safely and correctly. It is important 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[...]

8 F G H J I[...]

I-TRIM ® 9 Item Part No. Description / Location A 07792 I-Trim Model / Left and Right sides of operator panels B 07794 Natinal Logo / Top of rear hood C 07793 National Name / Front of steering column D 07797 Diesel Fuel / Top of Fuel Tank E 07796 Hydraulic Fluid / Top of hydraulic tank F 07778 Warning light identification / Left side panel G 07779[...]

10 INTRODUCTION This manual has been prepared by National Mower Company as an aid to users for set up, operation and servicing and ordering replacement parts. Additional information will gladly be furnished by calling or writing the company. Please furnish us with the Model number, serial number and date of purchase when contacting us about your ma[...]

I-TRIM ® 11 1.1—ENGINE SPECIFICA TIONS TYPE: 3 cylinder turbocharged Diesel ENGINE MODEL: Briggs & Stratton 954 DT HORSEPOWER: 34 hp COOLING: Water cooled 1.2—TRANSMISSION TRACTION DRIVE: Oilgear variable Displacement Hydrostatic pump WHEEL DRIVE Char Lynn hydraulic motors MOTORS: with disc-parking brakes 1.3—STEERING Eaton Power S teeri[...]

12 FIGURE B 2—ASSEMBL Y INSTRUCTIONS 2.1—TRACTOR ASSEMBL Y Handle banding material with caution. Use heavy leather gloves. Banding is sharp! The side and rear lift arms are spring-loaded up. T ake care when handeling. 1. Remove crating top, front and sides from the tractor crate. Cut banding from Roll-Over Protective S tructure (ROPS) Fig A. 2.[...]

I-TRIM ® 13 2.4—DECK MOTORS AND BLADES The I-T rim is available with standard or mulch- ing blades. The Rear/Right decks require a RH blade and the left deck uses a LH blade. MULCHING BLADES Rear/Right -P/N 306245 (stamped 306245) Left -P/N 30631 1 (stamped 30631 1) STRAIGHT BLADES Rear/Right - P/N 306368 (stamped 4607) Left - P/N 306367 (st amp[...]

14 1. Remove rear RH wheel to replace battery. Install battery with side mount terminals facing toward engine. See Fig F. 2. Place battery hold down strap over bolts and secure with flat washers and hex nuts. Do not over-tighten. 3. Connect the red ignition wire to the positive (+) terminal of the battery. Attach the engine ground wire and frame gr[...]

I-TRIM ® 15 3.2—TRACTION DRIVE TRAIN Power from the engine is transmitted by direct drive to the variable displacement pump. The pump supplies hydraulic fluid to the hydraulic motors. 3.3—MOWER DECK DRIVE Hydraulic power to the deck motors is actuated by electric switch mounted on the RH control panel. This switch actuates a solenoid valve in [...]

16 Battery Charging Oil Pressure LOW Water Temperature Water in Fuel Glow Plug ON 4.3—HOUR METER The hour meter (2,Fig. J) indicates the number of hours the tractor has been operated. It can be used to keep track of maintenance intervals and the amount of time required to perform various tasks. The hour meter operates whenever the ignition key is[...]

I-TRIM ® 17 4.4—THROTTLE LEVER Push throttle lever (4, Fig. J) forward to increase engine speed, pull back to decrease the engine speed. Position throttle at full throttle or slightly less for optimum power and deck speed during mowing. 4.5—TRACTION PEDAL The traction pedal (5, Fig. J) operates the forward and the reverse direction and speed o[...]

18 5—OPERA TION 5.1—CHECK LIST 1. Fill the fuel tank with good quality, clean, diesel with a minimum of 40 octane. Fresh fuel prevents gum from forming in the fuel system. Fill tank to 1 inch (25 mm) below filler neck. Do not overfill. 2. Check oil in the engine crankcase. It should be filled to the full mark on the dipstick. Refer to Section 1[...]

I-TRIM ® 19 5.4—MOWING OPERA TION 1. Check the turf area for debris that would cause damage to the decks. Never operate the decks when they are in the UP position because of the danagers of flying objects and exposed blades. 2. When cutting large areas, the most satisfactory method is to first cut the outer area and then mow clockwise toward the[...]

20 6.2—P ARKING BRAKE ADJUSTMENT The parking brake should be set so that it holds the tractor securely. The parking brake must be released before the traction pedal is engaged. 1. Adjust the brake by loosening set screw in the brake knob and turning knob clockwise to tighten, or counterclockwise to loosen, then retighten set screw. 2. After makin[...]

I-TRIM ® 21 6.4—REAR MOWER LIFT The rear mower lift height has been preset at the factory and normally will not need to be adjusted. The I-Trim may be fitted with a needle valve on the rear lift cylinder. Turning the needle valve CW will slow the lift and lowering speed of the rear deck. Always lock the adjusment knob down when done adjusting. 6[...]

22 3. When the battery is being installed or removed make sure that the positive and negative terminals do not come in contact with metal tractor parts at the same time or severe damage may result. 4. Battery connections must be kept clean and tight at all times. Loose cables will cause eventual battery failure. Keep terminal covers in place. 5. Us[...]

I-TRIM ® 23 7.4—CHARGING A BA TTER Y T o avoid possible injury , stand away from battery when charger is turned on. A damaged battery or a battery with an internal short could explode Charge battery ONL Y in a well verted location, away from sparks or open flame. 1. Remove the battery from the tractor before charging. 2. Be sure charger is “of[...]

24 1. Remove the old filter 2. Install new filter , filling filter with oil before re-installing. Apply oil to the O-ring of the filter prior to installation. Hand tighten only . 3. Run engine at idle speed with hydrostatic pump in neutral for five minutes. 4. Check hydraulic oil level and add oil if necessary . Frequent checks of oil level in the [...]

I-TRIM ® 25 THIS PAGE IS BLANK[...]

26 1 Daily Dipstick / left side of Engine Check level 1 2 Daily Radiator Reservoir Bottle Check level 1 3 Daily Hydraulic Tank Check level 1 4 Daily Fuel Tank Check level 1 5 Daily* Pre-Air Filter Inspect/Clean 1 6 Daily* Screenbox, Radiator Fins/ Rear Inspect/Clean 1 7 Weekly Height Adjustment Shaft Housings Grease, Lithium 12 8 Weekly Tires Check[...]

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28 8—STORAGE 8.1—GENERAL INSTRUCTIONS When you do not plan to use your vehicle for some time, it should be stored in a dry and protected place. Unnecessary exposure to the elements may deteriorate its appearance and shorten the usual service life. 8.2—ENGINE 1. Drain the fuel from the fuel tank. 2. While the engine is still warm, change oil. [...]

I-TRIM ® 29 9—TROUBLE SHOOTING ENGINE WILL NOT START The operator must be seated. Check position of controll switch (on dash). Switch must be in the OFF position. Check to see that the traction pedal is in neutral. (neutral is in the center position). Check all safety switches for conductivity. See Electrical System diagram, Fig. 11, Page 48. Re[...]

30 9. SAFETY INTERLOCK BOARD (SIB): The ITrim is equipped with an integrated circuit board designated as the Safety Interlock Board (SIB). The SIB controls the vehicle starter cranking, engine run and deck run circuits and the indicator lights. The starter motor won’t crank unless the following conditions are met: a. Operator must be sitting in t[...]

I-TRIM ® 31 If no lights come on and fuse is good and there is power to the board: 1. Make sure SIB is grounded by checking the resistance between the capacitor ground on the SIB and the vehicle frame. Resistance should be 0. If SIB is not grounded: 1. Check the resistance between terminal J1-7 on the SIB and the vehicle frame. Resistance should b[...]

32 Problem: STARTER CRANKS BUT ENGINE WON’T START Check the electrical system after checking for fuel in the tank and after priming the fuel system. Using a test light with the ignition switch in the on position, check for power at the fuel pump connector on the engine. If test light comes on: Make sure fuel pump is properly grounded by using the[...]

I-TRIM ® 33 - - - + + + + 9 5 7 3 1 8 10 JI 6 4 2 4 J3 J2 J4 R E L A Y S E A T GROUND CAPACITOR R E L A Y P E D A L R E L A Y B L A D E R E L A Y R U N R E L A Y B U Z Z E R 3 LIGHT (4) INDICATOR RELAY 2 1 7 5 3 1 8 6 4 5 3 1 6 1 2 3 4 J3 J2 J4 4 3 2 1 5 6 6 5 1 2 3 4 7 8 TEMP BATT WATER FILT FUEL PLUG GLOW PRESS J1 OIL 4 9 10 R E D B L K A B C D [...]

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36 FIGURE 1[...]

I-TRIM ® 37 FIGURE 1—SCREEN BOX, GUARDS, ROPS, MISC ITEM NO. QTY. PART NO. DESCRIPTION 1 1 306435 WELDMENT - SIDE COVER, LH 2 1 07063 HOUR METER 3 5 07697 LED 4 1 306341 PANEL - INSTRUMENT, LH 5 1 203086 THROTTLE CONTROL 6 1 306162 WELDMENT - BUMPER PLATE 7 1 306298 COVER - STEERING TOWER 8 1 305984 STEERING COLUMN 9 1 07071 STEERING WHEEL 10 1 [...]

38 FIGURE 2[...]

I-TRIM ® 39 FIGURE 2—DECK LIFT ARMS AND PULL ARMS IT EM N O. QTY. PART NO. DESCRIPTION 1 2 07719 BUSHING - 1X1.5X2, BOSTON #B1624-16 2 5 02511 THRUST WASHER 3 1 02263 HEX NUT 3/8-24 NYLOCK 4 3 02403 FLAT WASHER - 3/8 SAE 5 1 07709 LIFT CYL - WING DECK 6 10 204447 BUSHING - PULL ARM 7 1 02036 HEX BOLT, 0.375 -24 UNF x 2¼ ZINC PL 8 1 306062 WELDM[...]

40 FIGURE 3[...]

I-TRIM ® 41 FIGURE 3— SEAT, WHEELS, ENGINE, RADIATOR, HYD TANK IT EM NO . QTY. PART NO. DESCRIPTION 1 1 306195 WELDMENT - HYDRAULIC RESERVOIR 2 1 305497 STRAINER 3 1 07316 STRAINER 4 1 07783 CAP & FILL TUBE - HYDRAULIC TANK 5 1 B&S 820263 FILTER - AIR CLEANER, CARTRIDGE 6 1 306421 HOT AIR DEFLECTOR 7 4 306407 SPACER - HOT AIR DEFLECTOR 8[...]

42 FIGURE 4[...]

I-TRIM ® 43 FIGURE 4—WHEEL MOTORS, FILTERS, HYD COMPONENTS IT EM NO . QTY. PART NO. DESCRIPTION 1 1 07688 STEERING FILTER 2 1 07690 STEERING VALVE 3 1 07689 FILTER ELEMENT 4 1 306357 BRKT - LIFT VALVE, LH 5 1 07692 LIFT VALVE, 6 1 306356 BRKT - LIFT VALVE 7 1 305034 FILTER CANISTER, HYDRAULIC 8 1 305037 BASE - HYDRAULIC FILTER 9 1 306262 BRACKET[...]

44 FIGURE 5[...]

I-TRIM ® 45 FIGURE 5—PEDAL ASSY, HYD PUMPS[...]

46 FIGURE 6A FIGURE 6B[...]

I-TRIM ® 47 FIGURE 6A — FRONT AXLE, FUEL TANK, AND FRAME FIGURE 6B - FRONT WHEEL ASSY[...]

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I-TRIM ® 49 32 3 15 27 7 8 2 2 8 27 6 26 25 10 11 24 16 17 18 12 22 21 20 19 23 25 5 9 4 1 13 28 29 30 31 32 33 32 31 33 ITE M N O. QTY. PART NO. DESCRIPTION 1 1 306171 WELDMENT - DECK PLATFORM RR 2 2 306064 WELDMENT - FRONT ROLLER AXEL 3 1 306074 WELDMENT - BLADE HOLDER 4 2 306067 WELDMENT - REAR ROLLER ADJUSTER 5 2 306069 WELDMENT - HOUSING, REA[...]

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I-TRIM ® 51 28 7 11 30 9 18 3 5 6 22 26 23 24 12 13 25 19 20 21 2 24 23 22 26 28 30 8 10 4 27 28 29 14 34 1 15 16 32 31 36 35 33 34 35 35 36 FIGURE 10—LEFT HAND MOWER ASSEMBLY * ITE M N O. QTY. PART NO. DESCRIPTION 1 1 306107 WELDMENT - L DECK PLATFORM 2 1 306108 WELDMENT - CASTER PIVOT MOUNT 3 1 306074 WELDMENT - BLADE HOLDER 4 1 306058 WELDMEN[...]

52 FIGURE 1 1[...]

I-TRIM ® 53 FIGURE 11—HYDRAULIC DECKS AND OIL COOLER ITEM NO. QTY. PART NO. DESCRIPTION 1 1 306195 WELDMENT - HYDRAULIC RESERVOIR 2 2 305737 DECK MOTOR - R, REAR DECKS, CCW 3 1 305736 DECK MOTOR - L DECK CW 4 1 305037 BASE - HYDRAULIC FILTER 5 1 07691 DECK VALVE MANIFOLD ASSY 6 1 07692 LIFT VALVE, 7 1 07683 OIL COOLER, HAYDEN #038674 8 1 07709 L[...]

54 FIGURE 12[...]

I-TRIM ® 55 FIGURE 12—HYDRAULIC WHEEL MOTORS, STEERING[...]

56 Item Part No. Description Qty. 1 07063 HOURMETER 1 2 07697 LED LIGHTS ON INSTRUMENT 5 3 07065 KEYSWITCH 1 4 07496 SWITCH, DECK MOTOR 1 5 07695 RELAY, STARTER SOLENOID 1 6 07700 CIRCUIT BREAKER 1 7 B&S 820373 TIME DELAY MODULE-GLOWPLUG PREHEAT 1 8 07695 RELAY, GLOW PLUG 1 9 07716 SAFETY INTERLOCK PC BOARD 1 10 07787 WIRING HARNESS 1 11 07784 [...]

I-TRIM ® 57 1 07501 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[...]

58 07742 306195 07740 07741 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[...]

I-TRIM ® 59 306195 07768 07754 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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I-TRIM ® 61 NA TIONAL MOWER COMP ANY TWO YEAR LIMITED W ARRANTY FOR I-TRIM MOWERS For the period of two years from the date of purchase, or 1,500 hours, whichever occurs first (45 days if the product is used for rental purposes), National Mower Company will repair or replace free of charge, for the original purchaser, any I-Trim part (except as ex[...]

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