- DL manuals
- National Mower
- Lawn Mower
- 99500500-8400
- Owner's/operator's Manual
National Mower 99500500-8400 Owner's/operator's Manual
Summary of 99500500-8400
Page 1
English 03296500 4/08 printed in usa english owner/operator manual model 99500500 – 8400 triplex reel mower.
Page 2: Table Of Contents
Gb - 2 safety . . . . . . . . . . . . . . . . . . . . . . . . . 3 operation . . . . . . . . . . . . . . . . . . . . . . 8 assembly. . . . . . . . . . . . . . . . . . . . . . 13 service and adjustments . . . . . 16 maintenance . . . . . . . . . . . . . . . . . . 21 storage . . . . . . . . . . . . . ....
Page 3: Safety
Gb - 3 product registration the national mower dealer must register the product at the time of purchase. Registering the product will help the company process warranty claims or contact you with the latest service information. All claims meeting requirements during the limited warranty period will b...
Page 4
Gb - 4 notations note: general reference information for proper operation and maintenance practices. Note: specific procedures or information required to prevent damage to unit or attachment. Practices and laws practice usual and customary safe working precautions, for the benefit of yourself and ot...
Page 5
Gb - 5 safety rules read, understand, and follow all safety practices in owner/operator manual before beginning assembly. Failure to follow instructions could result in personal injury and/or damage to unit. Complete a walk around inspection of unit and work area to understand: • work area • your un...
Page 6
Gb - 6 always wear safety goggles or safety glasses with side shields when operating mower. Moving parts can cut or amputate fingers or a hand. Wrap blade(s) or wear gloves to service. On multiblade mowers, rotation of one blade will cause all blades to rotate. Never place your hands or any part of ...
Page 7
Gb - 7 use a slow speed. Tires may lose traction on slopes even though the brakes are functioning properly. Do not bypass transmission when on a slope. Tow only with a machine that has a hitch designed for towing. Do not attach towed equipment except at the hitch point. Follow the manufacturer’s rec...
Page 8: Operation
Gb - 8 controls and features ignition switch 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 off position and the traction control pedal in the neutral position before starting engine. Do not hold key in...
Page 9
Gb - 9 choke when starting a cold engine, pull the choke control (4, figure 1) out to close the choke plate and allow a richer fuel mixture to enter the engine. After the engine starts, push the choke control about halfway in to keep the choke pate partially closed. Push the choke control all the wa...
Page 10
Gb - 10 to open the valve to permit free-wheeling, simply lift up on the rod and latch washer face (2, figure 3) onto the bracket slot. Reverse the procedure for normal operation of the machine. Note: valve must be closed to operate machine. Interlock switches there are three safety switches on your...
Page 11
Gb - 11 5. Before leaving the mower, always lower wing 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 sto...
Page 12
Gb - 12 mowing 1. Stop tractor by releasing the traction pedal (8, figure 1), then slowly lower the mower units. 2. Engage reel control switch (10, figure 1) to the "on"position. 3. Depress traction pedal to the desired speed (see traction pedal on page 9 and speed control on page 9). Reel speed is ...
Page 13: Assembly
Gb - 13 tractor 1. Remove crating top, front, and sides. 2. Cut banding from around tractor, tires, and armrest box. 3. Separate steering wheel from tire. 4. Remove rear mower belt shield from manual lift handle. Lift tractor up off axle crate supports to sufficiently assemble tire and wheels to the...
Page 14
Gb - 14 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 str...
Page 15
Gb - 15 wing mowers 1. Remove wing mowers from crate. Position on each side of tractor with the yoke pins (1, figure 10) facing the tractor. 2. Remove the two wing mower belts (2, figure 11) fastened to the rear cutting unit and install over lower countershaft pulleys (3, figure 11) on each side of ...
Page 16: Service and Adjustments
Gb - 16 2. Check 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. ...
Page 17
Gb - 17 3. Once 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 the slot provided in the switch bracket. Adjust the switch so that the engine cannot be started unless the pedal is in the neutral position. Upper co...
Page 18
Gb - 18 height of cut adjustment to set the height of cut, lift the socket/vinyl cap of the dial-a-height tm (1, figure 17) up then turn clockwise (viewed from above) to lower the roller (4, figure 17) (raise the height of cut), or counter-clockwise to raise the roller (lower the height of cut). Not...
Page 19
Gb - 19 test for end play periodically by trying to move the reel from side to side in the frame. If there is any movement, end play is present. 1. Loosen the lock nut on the adjustment screw (7, figure 17) and (figure 18), (inside right end of the reel) and turn adjustment bolt in 1/2 turn or less....
Page 20: Lapping Compound
Gb - 20 grinding procedure reel must be ground at 25° in the direction shown (figure 19). Back grind until reel blades are free from roundness, dents, and nicks. Spin grind to remove all burrs. All blades must be on the same diameter. After grinding the bedknife and reels, backlap to establish a per...
Page 21: Maintenance
Gb - 21 general maintenance the long trouble-free life 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 lubrication on page 23). • keep a...
Page 22
Gb - 22 slow charge: • 10 hours @ 5 amps • 3 hours @ 10 amps fast charge: • 2-1/2 hours @ 20 amps • 1-1/2 hours @ 30 amps • 1 hour @ 45 amps 5. If when charging the battery, violent gassing or spewing of electrolyte occurs, or the battery case feels hot (125°f - 52c), reduce or temporarily halt char...
Page 23
Gb - 23 hydraulic oil filter to 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. Remove the old filter. 2. Install new filter, filling filter with oi...
Page 24
Gb - 24 symbols figure 23 grease - lithium base or equivalent oil - light machine oil..
Page 25
Gb - 25 item frequency (hrs.) location type of lubrication no. Of places 1 daily mower reel roller bearing grease, lithium 6 2 daily wing mower pull rod bushing oil 4 3 daily idler sprocket chain oil 1 4 daily lower countershaft bearing grease, lithium 2 5 25 front axle ball joints grease, lithium 3...
Page 26: Storage
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. Unnecessary exposure to the elements may deteriorate its appearance and shorten the usual service life. Engine 1. Drain the fuel from the fuel tank and carburetor. 2...
Page 27: Troubleshooting
Gb - 27 6. Remove the spark plugs and wipe dry. Crank the engine (with spark plug removed) using the starter until excess oil has been expelled through the spark 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 pr...
Page 28: Specifications
Gb - 28 specifications model number 995005 engine type twin cylinder, air cooled model briggs & stratton vanguard horsepower 16hp (11.9 kw) cooling ducted airflow transmission traction drive model 11 variable displacement hydrostatic pump wheel drive motors eaton series 2000 hydraulic motor steering...
Page 32
National mower an ariens company 655 west ryan street brillion, wi 54110-0157 920-756-2141 fax 920-756-2407 www.Nationalmower.Com.