Instruction/ maintenance manual of the product RZT420H Hayter
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Operator ’ sManual RZT420H Ride-On with Recycling/Side Discharge Deck Code 136E Serial No. 280000001 Manual Part No. 1 1 1-2089 Rev B.
Introduction R ead this infor mation carefully to learn ho w to operate and maintain your product properly and to av oid injur y and product damage. Y ou are responsible for operating the product properly and safely .
Ser vicing the Air Cleaner . .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. 28 Ser vicing the Engine Oil . . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 29 Ser vicing the Spark Plug .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .
◊ lack of aw areness of the effect of ground conditions , especially slopes; ◊ incor rect hitching and load distribution. Preparation • While mo wing, always w ear substantial footw ear and long trousers . Do not operate the equipment when barefoot or w earing open sandals .
Maintenance and Storage • Keep all n uts , bolts and screws tight to be sure the equipment is in safe w orking condition. • Never store the equipment with fuel in the tank inside a building where fumes can reac h an open ame or spark. • Allow the engine to cool before storing in any enclosure.
Slope Chart 6.
Safety and Instructional Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger . Replace any decal that is damag ed or lost. 1 14-1606 1. Entanglement hazard, belt—keep all guards in place.
1 10-6824 1. Height-of-cut 1 15-2500 1. Choke 5. Power take-off (PT O), Blade control switch on some models 2. Fast 6. Blade control switch—Of f 3. Continuous variable setting 7. Blade control switch—On 4. Slow 1 12-9750 1. Parking position 4. Neutral 2.
Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6. Keep bystanders a safe distance from the battery . 2. No re, open ame, or smoking. 7. Wear eye protection; explosive gases can cause blindness and other injuries 3.
Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description Qty . Use 1 No parts required – Set up the motion control levers. Clevis pin 1 2 Hair Pin 1 Install the seat cable. 3 No parts required – Connect the battery .
3. Open the motion control levers and raise the seat (Figure 4). Mo v e the control lev ers back to the center position (neutral). G006481 Figure 4 4. V erify the motion control levers are properly aligned (Figure 5). Adjust as necessary . Tighten all fasteners .
2 Installing the Seat Cable Parts needed for this procedure: 1 Clevis pin 1 Hair Pin Procedure 1. Open the motion control levers and raise the seat. 2. Locate the seat cable secured to the frame . Locate the clevis and hair pins installed on the loose end of the seat cable.
4 Completing the Setup Parts needed for this procedure: 1 Ignition Key 1 Operator ’ s Manual 1 Engine Operator’s Manual Procedure Checking the T yre Pressur e Check the front and rear tyres for proper ination. R efer to Checking the T yre Pressure in the Operator’ s Manual for the recommended ination pressure .
Product Overview Figure 8 1. Footrest 4. Control panel 7. Rear drive wheel 10. Anti-scalp roller 2. Height of cut lever 5. Motion control levers 8. W ashout tting 1 1. Front caster wheel 3. Fuel gauge 6. Operator seat 9. Cutter deck Figure 9 1. Motion control levers 3.
Controls Become familiar with all of the controls in Figure 8, Figure 9, and Figure 10 before you star t the engine and operate the mac hine. G005055 1 2 3 Figure 10 Control Panel 1. Ignition switch 3. Blade control switch (power take-of f) 2. Throttle/Choke Ignition Switch The ignition switc h has three positions , Off , R un and Start.
Operation Note: Determine the left and right sides of the machine from the nor mal operating position. Think Safety First Please carefully read all of the safety instr uctions and decals in the safety section. Knowing this infor mation could help you, y our family , pets or b ystanders av oid injur y .
In cer tain conditions during fueling, static electricity can be released causing a spark which can ignite the petrol v apors. A re or explosion from petrol can bur n y ou and others and can damage proper ty . • Always place petrol containers on the gr ound aw ay from y our vehicle before lling .
Checking the Engine Oil Level Before you star t the engine and use the mac hine, chec k the oil level in the engine crankcase; refer to Chec king the Oil Lev el in the Engine Maintenance section. Starting the Engine 1. Sit down on the seat and mo v e the motion controls outward to the park position.
5. After the engine starts, mo ve the throttle lever to F ast (Figure 16). If the engine stalls or hesitates , mov e the throttle lev er back to Choke for a few seconds . R epeat this as required. Operating the Blades The blade control switch, represented by a pow er take-off (PTO) symbol, engag es and disengag es power to the cutting blades .
T esting the Safety Interlock System T est the safety interlock system before you use the machine eac h time . If the safety system does not operate as described below , hav e an A uthorized Ser vice Dealer repair the safety system immediately .
blade control switch, ensure the throttle is in the fast position, and turn the ignition key to off . R emember to remov e the key from the ignition switch. Children or bystanders may be injured if they mov e or attempt to operate the machine while it is unattended.
Adjusting the T ilt The motion control lev ers can be tilted fore or aft for maximum operator comfort. 1. Loosen the upper bolt holding the control lever to the control arm shaft. 2. Loosen the lower bolt just enough to piv ot the control lev er fore or aft (Figure 23).
Without the grass deector , discharge cov er , or complete grass catcher assembly mounted in place, y ou and others are exposed to blade contact and thrown de bris. Contact with rotating cutter deck blade(s) and thrown de bris will cause injur y or death.
Operating Tips Fast Throttle Setting F or best mowing and maxim um air circulation, operate the engine at the Fast position. Air is required to thoroughly cut grass clippings , so do not set the height-of-cut so low as to totally sur round the cutter deck by uncut g rass .
Maintenance Note: Deter mine the left and right sides of the mac hine from the nor mal operating position. Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure Before each use or daily • Check the safety interlock system.
Premaintenance Procedures Raising the Seat Make sure the motion control levers are locked in the park position. Lift the seat forw ard. The follo wing components can be accessed by raising the seat: .
Figure 29 1. Left cover 3. Battery 2. T orx head fasteners (T25) 4. Lift the plastic cov er awa y from the mac hine. R etain all fasteners . R eplace the cov er and secure it to the frame using the fasteners remov ed previously . Lubrication Greasing the Bearings Ser vice Inter v al: Ev er y 25 hours—Grease all lubrication points .
4. Connect a g rease gun to eac h tting (Figure 30 and Figure 31). Pump g rease into the ttings until grease begins to ooze out of the bearings . 5. Wipe up any ex cess g rease . Engine Maintenance Servicing the Air Cleaner Ser vice Inter v al: Before each use or daily—Chec k the air cleaner for dirty , loose or damaged parts.
R eplace a dirty , bent, or damaged element. Handle new elements carefully; do not use if the r ubber seal is damaged. 4. Clean all air cleaner components of any accumulated dirt or foreign material. Prevent any dirt from entering the carburettor . 5.
2. P ark the machine so that the drain side is slightly low er than the opposite side to assure the oil drains completely . 3. Disengag e the blade control switch and mov e the motion controls outward to the park position. 4. Stop the engine, remov e the k ey , and wait for all moving parts to stop before lea ving the operating position.
G005177 2 1 3 Figure 37 1. Oil lter 3. Adapter 2. Gasket 15. Slo wly pour approximately 80% of the specied oil into the ller tube (Figure 34). 16. Install the oil ll cap/dipstic k and push r mly into place (Figure 34). 17. Chec k the oil lev el (Figure 34); refer to Checking the Oil Level.
Annually or every 100 hours of operation (more often under extremely dusty , dirty conditions), remov e the blow er housing and any other cooling shrouds . Clean the cooling ns and external surfaces as necessary . Mak e sure the cooling shrouds are reinstalled.
G005071 2 1 2 3 4 6 5 Figure 40 1. Fuel line from tank 4. Fuel line to engine 2. Hose clamp 5. Flow direction arrow 3. Filter 6. Fuel tank 4. Squeeze the ends of the hose clamps together and slide them aw ay from the lter (Figure 40). 5. R emov e the lter from the fuel lines .
5. Slide the r ubber cov er up the positiv e (red) cable. Disconnect the positiv e (red) cable from the batter y post (Figure 41). Retain all fasteners . 6. R emov e the batter y hold-down (Figure 41) and lift the batter y from the batter y tray . G005072 1 2 3 4 5 6 7 Figure 41 1.
G005073 1 2 Figure 43 1. Main-30 amp 2. Charge circuit-25 amp Drive System Maintenance Checking the T yre Pressure Ser vice Inter v al: Ev er y 25 hours—Chec k tyre pressure . Maintain the air pressure in the front and rear tyres as specied. Uneven tyre pressure can cause unev en cut.
Cutter Deck Maintenance Servicing the Cutting Blades Maintain sharp blades throughout the cutting season because sharp blades cut cleanly without tearing or shredding the grass blades . T earing and shredding tur ns g rass bro wn at the edges, whic h slows g ro wth and increases the chance of disease .
A blade that is bent or damaged could break apar t and could seriously injure or kill y ou or bystanders. • Always replace bent or damaged blade with a new blade.
5. Carefully rotate the blade(s) side to side (Figure 50). If both measurements are not within 3/16 inc h (5 mm), an adjustment is required; contin ue with this procedure. Figure 50 1. Blades side to side 3. Measure here 2. Outside cutting edges 6. Measure betw een the outside cutting edges and the at surface (Figure 50).
6. Measure from the tip of the front blade to the at surface and the tip of the rear blade to the at surface (Figure 52). If the front blade tip is not 1/16-5/16 inch (1.6-7.9 mm) lo wer than the rear blade tip , adjust the front locknut. Figure 52 1.
2 2 3 G005077 1 2 2 3 Figure 55 1. Cutter deck 3. Rear lift rod 2. Hanger bracket 6. Slide the cutter deck rearw ard to remov e the cutter deck belt from the engine pulley . 7. Slide the cutter dec k out from underneath the machine . Note: R etain all parts for future installation.
Replacing the Grass Deector Ser vice Inter v al: Before eac h use or daily—Inspect the g rass deector for damage An uncov ered discharge opening could allow the la wn cutter deck to throw objects in the operator’s or bystander’ s direction and result in serious injur y .
Cleaning W ashing the Underside of the Cutter Deck Ser vice Inter v al: Before each use or daily—Clean the cutter deck housing . W ash the underside of the cutter deck after each use to prevent grass buildup for improv ed m ulch action and clipping dispersal.
Storage Cleaning and Storage 1. Disengag e the blade control switc h, mov e the motion controls outward to the park position, stop the engine, and remo v e the key . 2. R emov e g rass clippings , dir t, and g rime from the external parts of the entire machine , especially the engine.
T roubleshooting Problem Possible Cause Corrective Action 1. The engine load is excessive. 1. Reduce ground speed. 2. The oil level in the crankcase is low . 2. Add oil to the crankcase. 3. The cooling ns and air passages under the engine blower housing are plugged.
Problem Possible Cause Corrective Action 1. The engine mounting bolts are loose. 1. T ighten the engine mounting bolts. 2. The engine pulley , idler pulley , or blade pulley is loose. 2. T ighten the appropriate pulley . 3. The engine pulley is damaged.
Schematics Electrical Diagram (Rev . A) 46.
Notes: 47.
Notes: 48.
1st Y ear (12 months) W e certify that this service has been carried out by an Authorised Hayter Service Dealer Date: 1st Y ear (12 months) Owner’s Name: Serial Number: Date: 2nd Y ear (24 months) W.
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LIMITED WARRANTY Hayter Limited warrants to the original user/purchaser that this unit shall be free from defect s in material and workmanship under normal use and service for a period of three years from the date of purchase. The manufacturer of major proprietry components ie.
CUS T OME R INFO RMA TI ON Date of Sale:- Y our Local Dealer:- HA Y TER L IM ITED , SPEL L BR OO K, BI SHOP ’S S T O R TF ORD , H E R T S . C M 23 4B U, E N G L A N D Code Serial No.
An important point after buying a device Hayter RZT420H (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of Hayter RZT420H, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Hayter RZT420H.
However, one of the most important roles played by the user manual is to help in solving problems with Hayter RZT420H. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Hayter RZT420H along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
