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Triplex Reel Mower
Owner/Operator Manual
Model
99500500 – 8400
03296500 4/08
ENGLISH
Printed in USA
ENGLISH
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TABLE OF CONTENTS SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . 3 STORAGE . . . . . . . . . . . . . . . . . . . . . . 26 OPERATION . . . . . . . . . . . . . . . . . . . . . . 8 TROUBLESHOOTING . . . . . . . . . . . . . 27 ASSEMBLY. . . . . . . . . . . . . . . . . . . . . . 13 SPECIFICATIONS . . . . . . . . . . . . . . . . 28 SERVICE AND ADJUSTMENTS . . . . . 16 WARRANTY . . . . . . . . . . . . . . . . . . . . . 29 MAINTENANCE . . . . . . . . . . . . . . . . . . 21 INTRODUCTION NON-ENG
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PRODUCT REGISTRATION DEALER DELIVERY The National Mower dealer must register the Dealer should: product at the time of purchase. Registering 1. Check that all assembly and the product will help the company process adjustments have been properly warranty claims or contact you with the latest completed. service information. All claims meeting 2. Fill out Original Purchaser Registration requirements during the limited warranty Card and return the card to National Mower. period will be honor
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SAFETY DECALS DANGER: IMMINENTLY National Mower has provided decals in many HAZARDOUS SITUATION! If not locations throughout the machine to aid the avoided, WILL RESULT in death or operator in identifying, controlling and serious injury. operating the 8400 safely and correctly. It is important that all decals are clean and visible at all times. Replace decals that are WARNING: POTENTIALLY damaged, missing or accidently painted over. HAZARDOUS SITUATION! If not avoided, COULD RESULT in
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Inspect unit before each use for: missing or damaged decals and shields, correctly operating safety interlock system, and deterioration of grass catchers. Replace or repair as needed. ALWAYS check overhead and side clearances carefully before operation. ALWAYS be aware of traffic when operating along streets or curbs. Keep children and people away. Keep children out of work area and under watchful care of a responsible adult. Keep area of operation clear of all toys, pets, and debris.
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Always wear safety goggles or safety glasses Never direct discharge towards persons or with side shields when operating mower. property that may be injured or damaged by thrown objects. Use extreme caution on Moving parts can cut or amputate fingers or a gravel surfaces. hand. Wrap blade(s) or wear gloves to service. On multiblade mowers, rotation of Always stand clear of the discharge area. one blade will cause all blades to rotate. ALWAYS disengage PTO, stop unit and NEVER place your han
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Use a slow speed. Tires may lose traction on ALWAYS block wheels and know all jack slopes even though the brakes are stands are strong and secure and will hold functioning properly. weight of unit during maintenance. Do not bypass transmission when on a slope. Release pressure slowly from components with stored energy. Tow only with a machine that has a hitch designed for towing. Do not attach towed NEVER attempt to make any adjustments to equipment except at the hitch point. unit while eng
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OPERATION CONTROLS AND FEATURES Figure 1 Ignition Switch Hour Meter Insert key in switch (1, Figure 1) and turn The hour meter (2, Figure 1) indicates the clockwise as far as it will go to start engine, number of hours the tractor has been then release. The reel control switch must be operated. It can be used to keep track of in the off position and the traction control maintenance intervals and the amount of time pedal in the neutral position before starting required to perform various task
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Choke Parking Brake When starting a cold engine, pull the choke A convenient parking brake (9, Figure 1) is control (4, Figure 1) out to close the choke located just below the right side of the plate and allow a richer fuel mixture to enter operator’s seat. the engine. After the engine starts, push the Pulling back and over center will engage the choke control about halfway in to keep the parking brake, and moving it forward, as choke pate partially closed. Push the choke shown, will rel
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To open the valve to permit free-wheeling, 5. Check oil level in hydraulic reservoir. Oil level should be the level shown on the simply lift up on the rod and latch washer face decal on the side of the oil tank when (2, Figure 3) onto the bracket slot. unit is sitting on a level surface. Reverse the procedure for normal operation 6. Check reels for desired cutting height. of the machine. To provide a satisfactory cut, it is NOTE: Valve must be closed to operate essential for all reels
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5. Before leaving the mower, always lower 8. Push choke control in as engine warms wing mowers so that when exiting the up (or immediately if engine is warm). mower and stepping on the non-skid pads of the wing mowers, it will not put DRIVING THE TRACTOR excessive strain on the lift mechanism. 1. Position throttle at full throttle or slightly 6. Operate at speeds which allow you to less for optimum power and reel speed. have complete control of the tractor and 2. Release parking brake (9,
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MOWING HILLSIDE OPERATION 1. Stop tractor by releasing the traction The 8400 has been designed for good pedal (8, Figure 1), then slowly lower the traction and stability under normal mowing mower units. conditions. However, caution must still be used during slope operation, especially when CAUTION: Dropping cutting units the grass is wet. abruptly could damage them or the Wet grass limits traction and steering control. H-frame of the wing mowers. In order to minimize the possibility of tip
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ASSEMBLY Check Tire Pressure TRACTOR CAUTION: Avoid injury! Explosive CAUTION: Handle banding separation of tire and rim parts is material with caution. Use heavy possible when they are serviced leather gloves. Banding is sharp! incorrectly: 1. Remove crating top, front, and sides. � Do not attempt to mount a tire without the proper 2. Cut banding from around tractor, tires, equipment and experience to and armrest box. perform the job. 3. Separate steering wheel from tire. � Do not
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Figure 8 STEERING WHEEL 1. Remove nut and washer (1, Figure 9) from steering shaft (2, Figure 9). 2. Remove steering wheel cap (3, Figure 9) from steering wheel (4, Figure 9). 3. Assemble steering wheel onto shaft, positioning the steering wheel cross bars parallel when the front tires are in the straight-ahead position and secure with the nut and washer. Replace steering wheel cap. Figure 6 Figure 9 Figure 7 Figure 10 GB - 14
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4. Remove the cap screw (4, Figure 12) WING MOWERS closest to the inside of the tractor 1. Remove wing mowers from crate. fastening the shield to the cross bar. Position on each side of tractor with the 5. Attach chain bracket (5, Figure 12), yoke pins (1, Figure 10) facing the positioning the bracket with the longest tractor. leg to the outside of the cutting unit. 2. Remove the two wing mower belts (2, 6. Fasten the shorter length of chain to the Figure 11) fastened to the rear cutt
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2. Check oil level by removing pipe plug (2, The 8400 is not shipped with a battery. A Figure 13). The oil level should be at the group size 70, 12-volt side post battery is bottom edge of the hole, as indicated by recommended such as Exide model 70-LT- decal (3, Figure 13). If it becomes 60, which is approximately 7-3/16” high, 6- necessary to add a small amount of oil 3/4” wide and 8-5/8” long. to the tank, it is added in the pipe plug hole, possibly using a flexible spout funnel. Rec
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3. Once the traction pedal has been Adjusting the hex head bolt (7, Figure 1) up adjusted, the safety switch (2, Figure 15) or down and locking it with the lock nut will may have to be re-adjusted by moving limit the pedal travel. Swing the speed control the switch in the range of the slot away from the traction pedal to allow a full provided in the switch bracket. Adjust range of forward speeds. the switch so that the engine cannot be started unless the pedal is in the neutral WING MO
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Figure 16 HEIGHT OF CUT ADJUSTMENT To set the height of cut, lift the Socket/Vinyl Figure 17 TM Cap of the Dial-A-Height (1, Figure 17) up then turn clockwise (viewed from above) to REEL TO BEDKNIFE lower the roller (4, Figure 17) (raise the height ADJUSTMENT of cut), or counter-clockwise to raise the roller (lower the height of cut). DANGER: Use heavy gloves and NOTE: Each quarter turn (90°) of the be careful. Bedknife and reel blades Socket/Vinyl Cap will raise or lower the height ar
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Test for end play periodically by trying to move the reel from side to side in the frame. If DANGER: Be extremely careful not there is any movement, end play is present. to let tools, your fingers, or clothing get caught in the reels. Use 1. Loosen the lock nut on the adjustment approved safety glasses to protect screw (7, Figure 17) and (Figure 18), eyes from flying particles and (inside right end of the reel) and turn adjustment bolt in 1/2 turn or less. Do abrasives. not over tighte
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GRINDING PROCEDURE LAPPING COMPOUND Reel must be ground at 25° in the direction See your authorized Dealer to order these shown (Figure 19). Back grind until reel lapping compounds. blades are free from roundness, dents, and nicks. Spin grind to remove all burrs. All Lapping Compound blades must be on the same diameter. 80 Grit – 1-lb. 02841500 After grinding the bedknife and reels, backlap 80 Grit – 11-lb. 59501400 to establish a perfect match between the 80 Grit – 25-lb. 59501700 bedkni
