National Mower 99500500-8400 manuale d’uso

ENGLISH 03296500 4/08 Printed in USA ENGL ISH Owner/Operator Manual Model 9950050 0 – 8400 T riplex Reel Mower[...]

GB - 2 SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . 3 OPERA TION . . . . . . . . . . . . . . . . . . . . . . 8 ASSEMBL Y . . . . . . . . . . . . . . . . . . . . . . 13 SERVICE AND ADJUSTMENTS . . . . . 16 MAINTENANCE . . . . . . . . . . . . . . . . . . 21 STORAGE . . . . . . . . . . . . . . . . . . . . . . 26 TROUBLESHOOTING . . . . . .[...]

GB - 3 PRODUCT REGISTRA TION The National Mower de aler must register the product at the time of purchase. Reg istering the product will help the company process warranty claims or contact you with the latest service information. All c laims meeting requirements during the limit ed warranty period will be honore d, whether or not the product regist[...]

GB - 4 NOT A TIONS NOTE: General referenc e information for proper operation and maintenance practices. NOTE: S pecific procedures or information required to prevent damage to unit or attachment. PRACTICES AND LA WS Practice usual and customary safe working precautions, for the benefit of yourself and others. Understand and follow all safety messag[...]

GB - 5 SAFETY RULES Read, understand, and follow all safety practices in Ow ner/Operator Manual before beginning assembly . Failure to follow instructions could result in personal injury and/or damage to uni t. Complete a walk around inspection of unit and work area to understand: • Work area • Y o ur unit • All saf ety decals Determine which[...]

GB - 6 Always wear safety goggles or safety glasses with side shields wh en operating mower . Moving parts can cut or amputate fi ngers or a hand. Wrap bl ade(s) or wear gloves to service. On m ultiblade mowers, rotation of one blade will cause all blades to rot ate. NEVER place your hands or any part of your body or clothing inside or near any mov[...]

GB - 7 Use a slow speed. T ires may lose traction on slopes even though the brakes are functioning properly . Do not bypass transmission when on a slope. T ow only w ith a machine that has a hitch designed for towing. Do not attach towed equipment except at t he hitch point. Follow the manufacturer ’s recomm endat ions for weight limits for towed[...]

GB - 8 CONTROLS AND FEA T URES Ignition Sw itch Insert key in switch (1, Figure 1) and turn clockwise as far as it will go to start engine, then release. The reel control switch must be in the of f position and the traction control pedal in the neut ral position before starting engine. Do not hold key in “on” position more than 30 seconds at a [...]

GB - 9 Choke When starting a cold engine, pull the choke control (4, Figure 1) out to close the choke plate and allow a ric her fuel mixture to enter the engine. After the en gi ne starts , push the choke control about halfway in to keep t he choke pate partially cl osed. Push the choke control all the way i n to open the choke plate for normal ope[...]

GB - 10 T o open the valve to permit free-wheeling, simply lift up on the rod and latch washer f ace (2, Figure 3) onto the bracket slot. Reverse the procedure for normal operation of the machine. NOTE: V alve mus t be closed to operate machine. Interlock Sw itches There are three safety switches on your 8400. They are a safety precaution which wil[...]

GB - 11 5. B efore leaving the mower , always lower wing mowers so that when exiting the mower and stepping on the non-skid pads of the wing m owers, it will not put excessive strain on the lift mechanism. 6. Oper ate at speeds which allow you to have complete control of the tractor and allow you to stop the tractor or maneuver s afely in case of a[...]

GB - 12 MOWING 1. Stop tractor by releasing the traction pedal (8, Figure 1), then slowly lower the mower units. 2. E ngage reel control switch (10, F igure 1) to the "On" position. 3. D epress traction pedal to t he desired speed (see T r action Pedal on page 9 and Speed Control on page 9). Reel speed is con st ant and gro und speed is v[...]

GB - 13 TRACTOR 1. R emove crating top, front, and sides. 2. C ut banding from around t ractor , tires, and armrest box. 3. S eparate steering wheel from tire. 4. R emove rear m ower belt shield from manual lift handle. Lift tractor up off axle crate suppo rt s to sufficiently assemble tire and wheels to the trac tor . Lower tractor down onto crate[...]

GB - 14 STEERING WHEEL 1. Remove nut and washer (1, Figure 9) from steering s haf t (2, Figure 9). 2. Remove steering wheel cap (3, Figure 9) f rom steering wheel (4, Figure 9 ). 3. Assem bl e steering wheel onto shaft, positioning the steering wheel cross bars parallel when the f ront tires are in the straight-ahead position and secure with the nu[...]

GB - 15 WING MOWE R S 1. R emove wing mowers from crate. Position on each side of tractor with the yoke pins (1, Figure 10) facing the tractor . 2. R emove the two wing mower belts (2, Figure 1 1) fastened to the rear cutting unit and install over lower countershaft pulleys (3, Figure 1 1) on each side of the tractor . Place belt loosely over the e[...]

GB - 16 2. C heck oil level by removing pipe plug (2, Figure 13). The oil level should be at the bottom edge of the hole, as indicated by decal (3, Figure 13). If it becomes necessary to add a small amount of oil to the tank, it is added in the pipe plug hole, possibly using a flexible spout funnel. Recommended oil is Chevron Rykon 100 or Exxon Uni[...]

GB - 17 3. Onc e the traction pedal has been adjusted, the safety switch (2, Figure 15) may have to be re-adjusted by moving the switch in the range of t he slot provided in the switch bracket. Adjust the switch so that the engine cannot be started unless the pedal is in the neut ral position. UPPER COUNTERSHAFT BEL T ADJUSTMENT The upper counters [...]

GB - 18 HEIGHT OF CUT ADJUSTME NT T o set t he height of cut, lift the Socket/Vinyl Cap of the Dial -A-Height TM (1, Figure 17) up then turn clockwise (v iewed from above) to lower the roller (4, Figure 17) (raise the height of cut), or counter-clockwise to r aise the roller (lower the height of cut). NOTE: Each quarter turn (90°) of the Socket/Vi[...]

GB - 19 T est for end play periodically by tr ying to move the reel from si de to side in the f rame. If there is any movement , end play is present. 1. Lo osen the lock nut on the adjustment screw (7, Figure 17) and (F igure 18), (inside right end of the reel) and turn adjustment bolt in 1/2 turn or less. Do not over tighten as excessive bearing w[...]

GB - 20 GRINDING PROCEDUR E Reel must be ground at 25° in the direc tion shown (Figure 19). Back grind until reel blades are free f rom roundness, dents, and nicks. Spin grind to remove all bur rs. All blades must be on the same diameter . After grinding the bedknife and reels, backlap to establish a perf ect match between the bedknife and reel bl[...]

GB - 21 GENERAL MAINTENANCE The long trouble-free li fe of your machine depends on the maintenance it receives. Set up a maintenance program for your 8400 to cover the following points: • Keep tractor and mowers clean. • Keep all moving parts properly lubricated (see LUBRI CA TION on page 23). • Keep all p arts properly adjusted. • Inspect [...]

GB - 22 Slow charge: • 10 hours @ 5 amps • 3 hours @ 10 amps Fast charg e: • 2-1/2 hours @ 20 amps • 1-1/2 hours @ 30 amps • 1 hour @ 45 amps 5. If when charging the battery , violent gassing o r spewing of electrolyte occurs, or the battery case feels hot (125 °F - 52C), reduce or temporarily halt charging to avoid damaging battery . 6.[...]

GB - 23 HYDRAULIC OIL FIL TER T o prevent damage to the hydraulic system, the hydraulic oil filter (1, Figure 21), located under right fender , should be changed after the first 25 hours of operation and every 250 hours thereafter . 1. R emove the old filter . 2. Install new filt er , filling filter with oil before re-installing. Apply oil to the o[...]

GB - 24 Symbol s Figure 23 GREASE - Lithium base or Equivalent OIL - Light machine oil.[...]

GB - 25 Item Frequency (Hrs .) Location T ype of Lubricat ion No. of Places 1 Daily Mower Reel Roller Bearing Grease, Lithium 6 2 Dail y Wi ng Mo wer P ull Ro d Bus hing Oil 4 3 Daily Idler S procket Chain Oil 1 4 Daily Lower Countershaft Bearing Grease, Lithium 2 5 25 Front Axle B all Joint s Grease, Lithium 3 6 Daily Axle Y oke Grease, Lithium 2 [...]

GB - 26 GENERAL INSTRUCTIONS When you do not plan to use your vehicle for some time, it should be stored in a dry and protected place. Un nec essary exposure to the elements may deteriorat e its appearance and shorten the us ual service life. ENGIN E 1. D rain the fuel from the fuel tank and carburetor . 2. Oper ate the engine until the gasoline in[...]

GB - 27 6. R emove the spark plugs a nd wipe dry . Crank the engine (with spark plug removed) us ing the starter until excess oil has been expelled through the sp ark plug hole. Replace the plug and connect the ignition lead wires. 7. Move the vehicle outdoors or keep doors and/or windows wide open to provide sufficient ventilation before starting [...]

GB - 28 SPECIFICA TIONS Mode l Numbe r 995005 Engi ne T ype T win Cylinder , Air Cooled Model Briggs & S tratton V anguard Horsepower 16HP (1 1.9 kW) Cooling Ducted Airflow T ransmission T raction Drive Model 1 1 V ariable Displacement Hydrostatic Pump Wheel Drive M otors Eaton Series 2000 Hydraulic Motor Steering Eaton Power S teering Control [...]

ARIENS COMP ANY GRA V EL Y ® | STENS ® | LOCKE ® | NA TIONAL ® | BYNORM ® | EVE RRIDE ® | GREA T DANE ® Com_T urf_2008 29 Two-Year Limited Turf Products Warranty Ariens C ompany (Arie ns) warran t s to th e original purchase r that al l Gravely Turf, Lo cke T urf or National Mower brand com mercial turf products will be free fr om defects in[...]

ARIENS COMP ANY GRA V EL Y ® | STENS ® | LOCKE ® | NA TIONAL ® | BYNORM ® | EVE RRIDE ® | GREA T DANE ® Com_T urf_2008 30 Exclusions – Items Not Covered by This Wa rranty • Engines a nd engine accessories are covered onl y by the engi ne manufactu rer’s wa rranty an d are not covered by this warr anty . • Parts that a re not genuine [...]

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National Mower An Ariens Company 655 West Ryan Street Brillion, WI 541 10-0157 920-756-2141 Fax 920-756-2407 www . nationalmower .com[...]