HTC Z4619 User Manual

Size:
1.5 Mb
Download

CONTROLS

Blade switch

To engage the mower deck, pull the blade switch knob out. The mower blades are disengaged when the knob is pressed down fully.

8011-750

Blade Switch

Ignition Switch

The ignition key is placed on the control panel and is used to start and stop the engine.

WARNING!

Do not run the starter for more than five seconds each time. If the engine does not start, wait 10 seconds before retrying.

8011-748

Ignition Switch

Choke Control

The choke control is used for cold starts to provide the engine with a richer fuel mixture.

The throttle control is equipped with a choke detent. Pressing the throttle control all of the way forward will choke the engine. For full throttle, press the throttle control forward until you feel the detent.

8011-480

Choke control

English-21

CONTROLS

Throttle Control

The throttle control regulates the engine speed and thereby the rate of rotation of the blades, assuming the blade switch is pulled out (see Engaging the Mower Deck).

In order to increase or decrease the engine speed, the control is moved forward or back respectively.

Avoid idling the engine for long periods, as there is a risk of fouling the spark plugs.

USE FULL THROTTLE WHEN MOWING, for best mower performance and battery charging.

8011-747

Throttle control

Hour Meter

The hour meter displays the total operating time.

It will flash CHG OIL (Change Oil) at 50 hour intervals. The flash duration is one hour before and one hour after the interval. The CHG OIL icon will come on

and shut off automatically. The hour meter cannot be manually reset.

8011-749

Hour meter

Parking Brake

IMPORTANT INFORMATION

The machine must stand absolutely still when applying the parking brake. Always set the parking brake before dismounting. Release the parking brake before moving the mower.

The parking brake is found below the front seat. Pull the lever upward to activate the brake and push downward to release it.

8011-481

Parking brake not activated

English-22

CONTROLS

Lifting Lever for the Mower Deck

The deck cutting height is achieved with the foot pedal. To lift the deck, press the foot pedal forward.

To lower the deck, apply pressure to the top side of the foot pedal and allow the pedal to pivot while allowing the lift arm to rotate to the rear of the unit.

To stop at the desired cutting position, rotate the pedal down into the notch in the height plate. The cutting height range is from 1½" (38mm) to 5" (127mm) in

½" (13mm) increments. The heights are measured from the ground up to the blade tip with the engine not running.

IMPORTANT INFORMATION

In order to obtain an even cutting height it is important that the air pressure in all four tires is the same 15 psi (1 bar).

Accessories

For mulching, there is a BioClip attachment available. The BioClip is mounted underneath the mower deck and includes a discharge cover and blades.

4

1

/

2

4

3

1

/

2

3

2

1

/

2

2

1

1

/

2

8011-753

Cutting height pedal

English-23

OPERATION

Read the “Safety Instructions” section and the following pages if you are unfamiliar with the machine.

Training

Zero turn mowers are far more maneuverable than typical riding mowers due to their unique steering capabilities.

We suggest that this section be reviewed in its entirety prior to attempting to move the mower under its own power. Additionally, we suggest when first operating the mower, use a reduced throttle speed and reduced ground speed by NOT moving control levers to the furthest forward or reverse positions during initial operation, or until operator becomes comfortable with controls. We also suggest first time users, or new users to Zero Turn mowers to become familiar with the mower’s movement on a hard surface, such as concrete or blacktop PRIOR to attempting to operate on turf. Until operator becomes comfortable with mower controls and zero turning capability, they may damage turf due to overly aggressive maneuvers.

To move forward and backward

The direction and speed of the mower’s movements is effected by the movement of the control lever(s) on each side of mower. The left control lever controls the left wheel. The right control lever controls the right wheel.

IMPORTANT INFORMATION

When control levers are in the reverse position they return to neutral when released. This may cause the mower to suddenly stop.

First time users should push mower (see “Moving by

Hand” in the “Operation” section) to an open, flat area, without other people or vehicles/obstacles nearby. In order to move unit under its own power, the operator must be in the seat, start engine (see “Before Starting” in “Operation” section), adjust engine speed to idle, disengage parking brake, do not engage blades at this time, rotate control levers inward. As long as

the control levers have not been moved forward or backwards, mower will not move. Slowly move both control levers forward slightly. This will allow mower to start moving forward in a straight line. Pull back on

control levers to the neutral position and mower should stop moving. Pull back slightly on control levers, this will allow mower to start moving backwards. Push forward on control levers to the neutral position and mower should stop moving.

Steering

To turn to the right

While moving in a forward direction, pull the right lever back towards the neutral position while maintaining the position of the left lever, this will slow the rotation of the right wheel and cause the machine to turn in that direction.

To turn to the left

While moving in a forward direction pull the left lever back towards the neutral position while maintaining the position of the right lever, this will slow the rotation of the left wheel and cause the machine to turn in that direction.

To zero turn

While moving in a forward direction, first pull both control levers back until the mower stops or slows dramatically.

Then by alternating one lever slightly to the forward position and the other in the reverse position.

English-24

OPERATION

Before Starting

Read the sections “Safety Instructions” and

“Controls” before starting the machine.

Perform the daily maintenance before starting (see Maintenance Schedule in the Maintenance section).

Check that there is sufficient fuel in the fuel tank.

Adjust the seat to the desired position.

The following conditions must be fulfilled before the engine can be started:

The driver must be seated on the seat.

The blade switch for engaging the mower blades must be depressed.

The parking brake must be on.

Both steering controls must be in the locked

(outer) neutral position.

Starting the Engine

1.Sit on the seat.

2.Raise the mower deck by depressing the pedal forward to the locked position (transport position).

3.Activate the parking brake.

8011-484

Start conditions

4

1

/

2

4

3

1

/

2

3

2

1

/

2

2

1

1

/

2

8011-753

Raise the mower deck

English-25

OPERATION

4.Disengage the mower blades by depressing the blade switch.

5.Move the steering controls outward to the locked (outer) neutral position.

6.Move the throttle to the middle position.

7.If the engine is cold, the choke control should be pushed forward to the choke position.

8011-668

Depress the control for disengaging the mower deck

8011-526

Steering controls in the outward, locked neutral position

8011-754

Set the throttle

English-26

OPERATION

8.Press in and turn the ignition key to the start position.

9.When the engine starts, immediately release the ignition key back to the run position.

IMPORTANT INFORMATION

Do not run the starter for more than 5 seconds each time. If the engine does not start, wait about 10 seconds before retrying.

8011-742

Turn to the start position

10.Set the desired engine speed with the throttle. Allow the engine to run at a moderate speed, “half throttle”, for 3-5minutes before loading it too heavily.USE

FULL THROTTLE WHEN MOWING

(no choke).

WARNING!

Engine exhaust and certain vehicle components contain or emit chemicals considered to cause cancer, birth defects or other reproductive system damage. The engine exhaust contains carbon monoxide, which is a odorless, colorless, poisonous gas. Do not use the machine in enclosed spaces.

8011-743

Return to run position

8011-754

Set the engine speed

English-27

OPERATION

Weak Battery

WARNING!

Lead-acidbatteries generate explosive gases. Keep sparks, flame and smoking materials away from batteries. Always wear eye protection when around batteries.

If your battery is too weak to start the engine, it should be recharged. (See “Battery” in the Maintenance Section.)

If “jumper cables” are used for emergency starting, follow this procedure:

IMPORTANT INFORMATION

Your mower is equipped with a 12-voltnegative grounded system. The other vehicle must also be a12-voltnegative grounded system. Do not use your mower to start other vehicles.

Jumper Cables

8011-642

Jumper cable connection

To attach jumper cables

 

Connect each end of the RED cable to the POSITIVE (+) terminal on each battery, taking care not to short against chassis.

Connect one end of the BLACK cable to the NEGATIVE (-)terminal of the fully charged battery.

Connect the other end of the BLACK cable to a good CHASSIS GROUND on the mower with the discharged battery, away from the fuel tank and battery.

To remove cables, reverse order

Remove BLACK cable first from chassis and then from the fully charged battery.

Remove RED cable last from both batteries.

English-28

OPERATION

Running

1.Release the parking brake by moving the lever downward.

Your mower is equipped with an operator presence system. When the engine is running, any attempt by the operator to leave the seat without first setting the parking brake will shut off the engine.

2.Move the steering controls to the neutral position (N).

IMPORTANT INFORMATION

The mower deck’s gauge wheels should be evenly adjusted.

3.Select the cutting height by adjusting the cutting height pin. Release latch and lower deck to set cutting height.

WARNING!

Ensure that no one is near mower when engaging blade switch.

4.Make sure the work area is free from objects that could be thrown by the rotating blades.

5.Engage the mower deck by pulling out the blade switch.

6.Move throttle control to full throttle.

7.The machine’s speed and direction are continuously variable using the two steering controls. When both controls are in the neutral position, the machine stands still. By moving both controls an equal amount forward or backward, the machine moves in a straight line forward or backward respectively.

In order, for example, to turn right while moving forward, move the right control towards the neutral position. The rotation of the right wheel is reduced and the machine turns to the right.

Turning on the spot (zero turn) can be achieved by moving one control backward (behind the neutral position) and carefully moving the other steering control forward from its neutral position.

8011-481

Parking brake not activated

4

1

/

2

4

3

1

/

2

3

2

1

/

2

2

1

1

/

2

8011-753

Select the cutting height

8011-669

Engage the mower deck

English-29

OPERATION

Operating on Hills

Read the Safety Instructions “Driving on Slopes” in the “Safety Instructions”.

WARNING!

Do not drive up or down hills with slopes greater than 10 degrees. Do not drive across slopes.

The slowest speed possible should be used before starting up or down hills.

Avoid stopping or changing speed on hills.

If stopping is absolutely necessary, pull drive levers into the neutral position and push

to the outside of the unit and engage the parking brake.

IMPORTANT INFORMATION

Control levers return to neutral when released. This may cause the mower to suddenly stop.

To restart movement, release the parking brake.

Pull the control levers back to the center of the mower and press forward to regain forward motion.

Make all turns slowly.

8011-755

Stopping conditions

8011-481

Parking brake not activated

English-30

OPERATION

Mowing Tips

Observe and flag rocks and other fixed objects to avoid collisions.

Begin with a high cutting height and reduce it until the desired mowing result is attained. The average lawn should be cut to 2½"

(64 mm) during the cool season and over 3"

(76 mm) during the hot months. For healthier and better looking lawns, mow often after moderate growth.

For best cutting performance, grass over 6" (15 cm) in height should be mowed twice.

Make the first cut relatively high; the second to the desired height.

The mowing result will be best with a high engine speed (the blades rotate rapidly) and low speed (the rider moves slowly). If the grass is not too long and dense, the driving speed can be increased without negatively affecting the mowing result.

The finest lawns are obtained by mowing often. The lawn becomes more even and the grass clippings more evenly distributed over the mown area. The total time taken is not increased as a higher operating speed can be used without poor mowing results.

Avoid mowing wet lawns. The mowing result is poorer because the wheels sink into

the soft lawn, clumps build, and the grass clippings fasten under the cowling.

Hose the mower deck underside with water after each use. When cleaning, the mower deck shall be raised into the transport position. Make sure the mower is cooled and the engine is off.

Use compressed air to clean top surface of the deck. Avoid flooding water on top surface, engine and electrical components.

When the mulching kit is used, it is important that the mowing interval is frequent.

WARNING!

Clear the lawn of stones and other objects that can be thrown out by the blades.

8011-603a

Mowing pattern

WARNING!

Never drive the rider on terrain that slopes more than 10 degrees. Mow slopes up and down, never side to side. Avoid sudden directional changes.

English-31

OPERATION

Stopping the Engine

Allow the engine to idle a minute in order to attain normal operating temperature before stopping it, if it has been worked hard. Avoid idling the engine for longer periods, as there is a risk of the spark plugs fouling.

1.Disengage the mower deck by depressing the blade switch.

8011-668

Disengaging the mower deck

2.Raise the mower deck by depressing the pedal forward to the transport position.

3. When the machine is standing still, activate the parking brake by pulling the lever upward.

4.Move the throttle to the minimum position (tortoise symbol). Turn the ignition key to the stop position.

5.Move the steering controls outward.

6.Remove the key when leaving the mower to prevent unauthorized use.

IMPORTANT INFORMATION

Leaving the ignition switch in any other position than “OFF” will cause the battery to be discharged and the hour meter to accumulate hours.

4

1

/

2

4

3

1

/

2

3

2

1

/

2

2

1

1

/

2

8011-753

Raise the mower deck

English-32

 

OPERATION

Manual Transport

1

When pushing or pulling the mower, be sure to engage

 

the IZT (Integrated Zero Turn Transaxle) bypass

 

linkages. The IZT bypass linkages are located on the

 

rear of the frame.

 

 

WARNING!

 

No adjustments or maintenance

 

to be carried out unless:

 

the engine stopped

 

• the ignition key removed

 

• the parking brake activated

8011-722

1. IZT Bypass Linkages

 

 

Bypass position with linkage head outside rear deck

Raise the deck into the highest cutting position.

Pull the IZT bypass linkages out and into the slots and release so that it is held in the bypass position.

To reengage the IZT’s to drive, reverse the above procedure.

English-33

maintenance

Maintenance Schedule

The following is a list of maintenance procedures that must be performed on the machine. For those points not described in this manual, visit an authorized service workshop. An annual service carried out by an authorized service workshop is recommended to maintain your machine in the best possible condition and to ensure safe operation.

Read “Maintenance” in the Safety Instructions section.

1) First change after5-8hours. When operating with a heavy load or at high ambient temperatures, replace every 50 hours.2) In dusty conditions, cleaning and replacement are required more often.3) For daily use, the machine should be lubricated twice weekly.4) Performed by authorized service workshop.

= Described in this manualu= Not described in this manual

 

Daily

 

Weekly

At

Maintenance interval

 

 

 

 

least

in hours

 

 

 

 

once

 

 

 

 

 

 

 

 

each

 

 

 

 

Maintenance

Before

After

 

 

 

 

 

 

 

 

 

 

 

year

25 50 100 300

 

 

 

 

Check the parking brake

 

 

 

 

 

 

 

Check the engine’s oil level (every refueling)

 

 

 

 

 

 

 

Check the safety system

 

 

 

 

 

 

 

Check for fuel and oil leakages

u

 

 

 

 

 

 

 

Check/clean the engine’s cooling air intake

 

 

 

 

 

 

 

Check the mower deck

 

 

 

 

 

 

 

Check hardware (screws, nuts, etc.)

 

 

 

 

 

 

 

Clean under the mower deck

 

 

 

 

 

 

 

Start the engine and blades, listen for unusual sounds

 

u

 

 

 

 

 

 

Check for damage

 

u

 

 

 

 

 

 

Thoroughly clean around the engine

 

u

 

 

 

 

 

 

Clean around belts, belt pulleys, etc.

 

u

 

 

 

 

 

 

Check the tire pressures

 

 

 

 

 

 

 

Check battery

 

 

 

 

 

 

 

Sharpen/Replace mower blades

 

 

 

 

 

 

 

Check the fuel pump’s air filter 2)

 

 

 

 

 

 

 

Clean the engine’s cooling air intake 2)

 

 

 

 

 

 

Clean the air cleaner’s pre-filter2) (foam)

 

 

 

 

 

 

Clean the air cleaner’s filter cartridge 2) (paper filter)

 

 

 

 

 

 

Check/adjust the parking brake

 

 

 

u

 

u

 

 

Inspect muffler/Spark arrester

 

 

 

u

 

u

 

 

 

 

 

 

 

 

 

 

 

English-34

maintenance

 

Daily

 

Weekly

At

Maintenance interval

 

 

 

 

least

in hours

 

 

 

 

 

 

once

 

 

 

 

Maintenance

Before

After

 

each

 

 

 

 

 

 

 

 

 

year

25

50

100

300

 

 

 

 

Check/adjust throttle and choke cables

 

 

 

 

 

 

 

Check the condition of belts, belt pulleys, etc.

 

 

 

 

 

 

Change the engine oil 1)

 

 

 

 

 

 

Replace the engine oil filter

 

 

 

 

 

 

Clean/replace the spark plugs

 

 

 

 

 

 

Replace the fuel filter

 

 

 

 

 

 

Replace the air filter (paper filter) 2)

 

 

 

 

 

 

Check the caster wheels (every 200 hours)

 

 

 

 

 

 

 

Clean the cooling fins 2)

 

 

 

u

 

 

u

 

Replace the air cleaner’s pre-filter2) (foam)

 

 

 

 

 

 

 

 

 

 

 

 

Check/adjust the mower deck

 

 

 

 

 

 

Check the engine valve clearance 3)

 

 

 

u

 

 

 

u

Perform the 300-hourservice3)

 

 

 

u

 

 

 

u

Lubricate according to Lubrication Schedule

 

 

 

 

 

 

 

 

 

 

 

 

1) First change after5-8hours. When operating with a heavy load or at high ambient temperatures, replace every 50 hours.2) In dusty conditions, cleaning and replacement are required more often.3) Performed by authorized service workshop.

= Described in this manual

u= Not described in this manual

WARNING!

Before performing any service or adjustment checklist:

• Engage the parking brake.

Place the Blade-switchin the disengaged position.

Turn the ignition switch to “OFF” position and remove the key.

Make sure the blades and all moving parts have completely stopped.

Disconnect the spark plug wire from all spark plugs and place the wire where it cannot come in contact with the plug.

English-35

maintenance

Battery

Your mower is equipped with a maintenance free battery and does not need servicing. However, periodic charging of the battery with an automotive type battery charger will extend its life.

Keep battery and terminals clean.

Keep battery bolts tight.

Recharge at 6-10amperes for 1 hour

To clean battery and terminals

Corrosion and dirt on the battery and terminals can cause the battery to “leak” power.

1.Open the terminal access doors.

2.Disconnect BLACK battery cable first, then the

RED battery cable and remove the battery from the machine.

3.Rinse the battery with plain water and dry.

4.Clean terminals and battery cable ends with wire brush until shiny.

5.Coat terminals with grease or petroleum jelly

6.Reinstall battery.

Replacing battery

1.Lift seat and rotate forward.

2.Remove the red terminal guard.

3.Using two ½" wrenches disconnect BLACK battery cable then RED battery cable.

4.Using a 7/16" wrench, remove the terminal guard.

5.Carefully remove the battery from the mower.

6.Install new battery with terminals in the same position as the old battery.

7.Reinstall the terminal guard.

8.First connect RED battery cable to positive (+) battery terminal with hex bolt and hex nut.

9.Connect BLACK grounding cable to negative (-)battery terminal with remaining hex bolt and hex nut.

10.Tighten securely.

11.Close terminal access door.

12.Lower seat.

Always use protective glasses when handling the battery.

IMPORTANT INFORMATION

Do not attempt to open or remove caps or covers. Adding or checking level of electrolyte is not necessary.

Always use two wrenches for the terminal screws.

WARNING!

Do not short battery terminals by allowing a wrench or any other object to contact both terminals at the same time. Before connecting battery, remove metal bracelets, wristwatch bands, rings, etc.

Positive terminal must be connected first to prevent sparks from accidental grounding.

1

2

 

 

CZ-22

1.Terminal guard

2.Terminal access doors

Battery installation

English-36

maintenance

Ignition System

The engine is equipped with an electronic ignition system. Only the spark plug requires maintenance.

For recommended spark plugs, see Technical Data.

1.Remove the ignition cable boot and clean around the spark plug.

2.Remove the spark plug with a spark plug socket wrench.

3.Check the spark plug. Replace the spark plug if fouled, the electrodes are burned and if the

insulation is cracked or damaged. Clean the spark plug with a steel brush if it is to be reused.

4.Measure the electrode gap with a gapping tool. The gap should be .030" (0.75 mm). Adjust as necessary by bending the side electrode.

5.Reinsert the spark plug, turning by hand to avoid damaging the threads.

6.After the spark plug is seated, tighten it using a spark plug wrench so that the washer is

compressed. A used spark plug should be turned

1/8 of a turn from the seated position. A new spark plug should be turned ¼ a turn from the seated position.

7. Replace the ignition cable.

Safety System

This machine is equipped with a safety system that prevents starting or driving under the following conditions.

The engine can only be started when:

1.The mower deck is disengaged.

2.The steering controls are in the outer, locked neutral position.

3.The driver is sitting in the driver’s seat.

4.The parking brake is on.

Make daily inspections to ensure that the safety system works by attempting to start the engine when one of the conditions is not met. Change the conditions and try again.

If the machine starts when one of these conditions is not met, turn the machine off and repair the safety system before using the machine again.

Make sure the engine stops when the park brake is not engaged and the operator leaves the seated position.

Check that the engine stops if the mower blades are engaged and the driver temporarily moves off the drivers seat.

IMPORTANT INFORMATION

Fitting the wrong spark plug type can damage the engine.

Inadequately tightened spark plugs can cause overheating and damage the engine. Tightening the spark plugs too hard can damage the threads in the cylinder head.

8011-054

Measure the electrode gap

8011-484

Start conditions

IMPORTANT INFORMATION

In order to be able to drive, the driver must sit in the seat and release the parking brake before the steering controls can be moved into the neutral position, otherwise the engine will stop.

English-37

maintenance

Engine Cooling Air Intake

Check that the engine’s cooling air intake is free from leaves, grass, and dirt.

If the cooling air intake is clogged, engine cooling deteriorates, which can lead to engine damage.

Throttle Cable

Check that the engine responds to throttle increases and that a good engine speed is attained at full throttle.

If doubts arise, contact the service workshop.

If adjustments are necessary, they can be made as follows for the lower cable:

1.Loosen the clamping screw for the cable’s outer casing and move the throttle to the full throttle position (no choke).

2.Push the throttle cable’s outer casing as far to the right as possible and tighten the clamping screw.

3.Set the throttle control to the choke position and check that full choke is achieved.

8011-491

Check and clean the cooling air intake

8011-492

Adjusting the throttle cable

8011-404

Choke start position

English-38

maintenance

Replacing the Air Filter

If the engine seems weak or runs unevenly, the air filter may be clogged. If the machine is run with a dirty air filter, the spark plug can become fouled. It is important to replace the air filter regularly (see

"Maintenance Schedule" for proper service intervals).

Kohler Engine

The standard engine is not equipped with a prefilter. As an option, a prefilter can be installed on the inside of the air filter cover.

1.Loosen the two retaining knobs and remove the cover. If the engine has a prefilter, it is mounted on the inside of the cover.

2.Clean the area around the filter element to prevent debris from getting into the engine when the element is removed.

3.Remove the filter element. Replace a dirty, bent or damaged element with a new one. Handle the new element carefully and do not use if the sealing surfaces are bent or

damaged. If the element can be reused, tap it against a solid surface to remove dust.

4.Check the air cleaner base. Make sure it is secured and not bent or damaged. Also check the air filter cover for damage or improper fit.

Replace all damaged air cleaner components.

5.Install the filter element. Check that it fits properly and that no air leaks occur.

6.Install the cover and tighten knobs by hand.

IMPORTANT INFORMATION

Operating the engine with loose or damaged air cleaner components could allow unfiltered air into the engine causing premature wear and failure.

IMPORTANT INFORMATION

Do not use compressed air to clean the air filter.

Filter should be assembled dry and not be oiled.

8011-736

Air filter cover

8011-737

Air filter cover

English-39

maintenance

Briggs & Stratton Engine

1.Pull up the handle on the air filter cover.

Unhook and turn towards the engine to remove.

2.Clean the area around the filter element to

prevent debris from getting into the engine when the element is removed.

3.Lift out the filter element. Replace a dirty, bent or damaged element with a new one. Handle the new element carefully and do not use if the sealing surfaces are bent or damaged. If the element can be reused, tap it against a solid surface to remove dust.

IMPORTANT INFORMATION

Do not use compressed air to clean the air filter.

Filter should be assembled dry and not be oiled. .

4.Carefully lift out the precleaner from the fan housing. Clean the fan housing so debris does not fall into the carburetor.

5.Install a new precleaner and the new or cleaned air filter element into the fan housing.

IMPORTANT INFORMATION

Operating the engine with loose or damaged air cleaner components could allow unfiltered air into the engine causing premature wear and failure.

English-40

8009-406

Pull up on handle

8009-409

Remove air filter element

8009-408

Remove precleaner