Cub Cadet 3654, 3660 User Manual

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Cub Cadet 3654, 3660 User Manual

3654, 3660

25Horsepower HydrostaticZero-Turn CommercialRiding Mower

OPERATOR’S AND SERVICE MANUAL

TABLE OF CONTENTS

Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 A. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 B. Related to Fuel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 C. When Mowing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 A. Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7,8 B. Initial Adjustments and Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 C. Break-In and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Maintenance and Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 A. Mower Deck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 B. Hydraulic Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 C. Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 D. Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 E. Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 F. Hydraulic System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 G. Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Wiring Diagram

Warranty

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FORWARD

The Hydrostatic Zero-Turn Commercial Riding Mowers were developed to provide superb maneuverability, mid-mount cutting capability for professional landscapers, commercial lawn service companies, professional turf managers and golf course superintendents. The machine incorporates many safety features that should be studied by all operators and maintenance personnel before use. The list of safety precautions should receive particular attention.

This manual presents all of the operating and maintenance instructions necessary to keep your mower at peak efficiency. If properly operated and maintained, your mower will give dependable service.

CAUTION:

Only thoroughly trained persons should operate and maintain this mower. This machine can cause serious injury to anyone who misuses it and does not understand its operation. For their personal safety, all operators and maintenance personnel are required to read this entire manual before operating the mower.

Hazard control and accident prevention are partially dependent upon the design and configuration of the equipment. Notwithstanding, these factors are also dependent upon the awareness, concern, prudence and proper training of the personnel involved in the operation, transport, maintenance and storage of the equipment.

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SAFETY PRECAUTIONS

A.General

1.Read this Operator’s Manual before starting the mower. Study the controls and learn the proper sequence of operation.

2.Do not allow anyone to operate or maintain this machine who has not read this manual. Never permit children to operate this machine.

3.Never carry passengers.

4.Do not remove any shields, guards or safety devices. If a shield, guard or safety device is damaged or does not function, repair or replace it before operating the mower.

5.Always wear safety glasses and safety shoes when operating or maintaining this mower. Do not wear loose-fitting clothing.

6.Disconnect the spark plug wires or remove the key from the ignition to prevent the engine from accidentally starting before performing any maintenance on this mower.

7.Never run the engine indoors without adequate ventilation. Exhaust fumes are deadly.

8.To avoid serious burns, do not touch the engine, exhaust pipe or muffler while the engine is running or until it has cooled after it has been shut off.

9.The liquid in the battery is dilute sulfuric acid. Always wear safety glasses and rubber gloves when working on the battery. Do not overfill the battery.

10.Lead-acid batteries generate hydrogen and oxygen gases which form an explosive mixture. Keep sparks and flames away at all times.

11.When looking for oil leaks, never run your hand over hydraulic hoses, lines or fittings. Never tighten or adjust hydraulic hoses, lines or fittings while the system is under pressure. If high-pressure oil penetrates the skin, the oil must be removed within a few hours by a doctor familiar with this form of injury or serious complications may result.

B.Related to Fuel

1.Fuel is highly flammable. Please respect it.

2.Do not smoke or permit others to smoke while handling fuel.

3.Always use approved containers for fuel.

4.Always shut off the engine and permit it to cool before removing the fuel tank cap.

5.Always fill the fuel tank outdoors.

6.If the fuel container spout will not fit inside the fuel tank opening, use a funnel.

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7.When filling the fuel tank, stop when the fuel reaches one inch from the top. This space is necessary for tank expansion. Do not overfill.

8.Wipe up any spilled fuel.

C.When Mowing

1.Keep adults, children and pets away from the area to be mowed.

2.When operating this mower in the forward direction, DO NOT allow the steering levers to return to the neutral position on their own. Always maintain a firm grip on the levers, operate them smoothly and avoid any sudden movements of the levers when starting or stopping.

3.If the mower is equipped for side discharge, never use the mower without the discharge chute installed and placed in the down position.

4.Always remove debris and other objects from the area to be mowed.(Note: debris and loose grass will reduce traction.)

5.Mow only in daylight.

6.Watch for holes, sprinkler heads and other hidden hazards.

7.Avoid driving too close to trees, creeks, ditches, sand traps and other obstacles.

8.Before backing up, check behind you and watch where you’re going.

9.Always reduce speed when making a turn, and when grass is wet.

10.Always mow across slopes, never up and down the slope. Do not operate on steep slopes and slow down before turning.

11.Be careful when crossing gravel paths or roadways. Always turn off the blade clutch switch and wait until the blades stop rotating and raise the cutting deck to the transport position. Always allow other vehicles to have the right-of-way.

12.If you hit a solid object while mowing, turn off the blade clutch switch, place the left and right steering levers in the neutral, opened-out position, move the throttle to slow, set the parking brake, shut off the engine and take the key from the ignition switch. Inspect for damage. Repair any damage. Make sure the blades are in good condition and that the blade bolts are tight before restarting the engine.

13.Never leave the mower unattended without: turning off the blade clutch switch; placing the left and right steering levers in the neutral opened-out position; moving the throttle to slow; setting the parking

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brake; shutting off the engine and taking the key from the ignition switch.

14.Never walk or stand on the discharge side of a mower with the engine running. Turn off the blade clutch switch if another person approaches while you are operating the mower.

15.Never attempt to operate the traction unit without the mowing deck attached.

16.Keep the mower and especially the engine and hydraulic components clean and free of grease, grass and leaves to reduce the chance of fire and to permit proper cooling.

SPECIFICATIONS

Engine:

25 HP Kohler

 

 

Type:

Air Cooled, Vertical V-Twin

 

 

Air Cleaner:

Dual Element

 

 

Lube System:

Pressurized with oil filter

 

 

Starter:

12-volt electric

 

 

Traction Drive:

Engine to two variable-speed hydraulic pump/motor BDR

 

units to gearbox on each drive wheel

 

 

Hydraulic System:

2.25 Gallon Capacity

 

 

Cutter Deck;Drive:

54", 60", Belt Driven

 

 

Clutch PTO:

Electric

 

 

Deck Lift:

Hand lever w/pin lock for height adjustment

 

 

Cutting Height:

1-1/2" to 5-1/2"

 

 

No. of Blades

3, belt-driven, power take-off from engine

 

 

Controls:

Engine ignition and start switch; throttle; choke; left and

 

right steering levers; electric blade clutch switch; parking

 

brake; mower deck lift

 

 

Parking Brake:

Internal, mechanical linkage attached to the brake handle

 

 

Front Caster Wheels:

13x5 - 6

 

 

Tire Pressure:

8-10 psi Rear, 25-30 psi front caster

 

 

Drive Wheels:

w/54"-60" deck, 24x12 - 12

 

 

Frame:

2” Steel square tube and plate, all welded construction

 

 

Seat:

Milsco Adjustable seat with armrests. 5" Adjustment

 

 

Fuel Tank:

Two 5 gallon w/individual shutoff valves

 

 

Ground Speed:

0-8.6 + MPH forward. 0-4.3 MPH reverse

 

 

Instrumentation

Hour meter, Tachometer, Maintenance-minder

 

 

Net Weight:

980 lbs. w/54" deck and 1020 lbs. w/60" deck

 

 

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OPERATING INSTRUCTIONS

Figure. 1

Figure. 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Electric Blade

 

Tach and Hour Meter

 

Engine throttle

Clutch

 

 

 

 

 

 

Ignition Switch

Choke Lever

 

 

A.Controls

1.Engine Ignition and Start Switch: (See Figure 1.) Located on the instrument housing below the right side of the operator’s seat. When the key is inserted and turned clockwise, 45 degrees, the ignition circuit is closed. Turning the switch further against spring pressure starts the engine. The engine will only start if the blade clutch switch is in the “off” position, the parking brake is engaged and the left and right steering levers are in the neutral, opened-out position. The key should always be removed from the switch if the operator leaves the mower’s seat.

2.Engine Throttle Control: (See Figure 2.) Located on the left side of the mower next to the operator’s seat. Moving the throttle control from the rear to the front will increase the engine speed from slow to fast.

3.Left and Right Steering Levers: (See Figure 3.) These hinged levers open out to the side in the neutral position to permit the operator to be seated or to leave the mower’s seat. The operator, when seated, can pull the levers up to the operating position, a comfortable forearm’s length away. These levers control all of the movements of the mower.

In order to start the engine, both steering levers must be opened out to the side in the neutral position; the parking brake must be engaged; and the blade clutch switch must be “off”. However, once the engine starts, the parking brake must be released before the operator places the steering levers into the operating position or the engine will automatically shut off.

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Note: The Steering Lever will return toward neutral when released, but they

should be placed in neutral by the driver. If the Drive Handles are not placed in neutral, the tractor may creep.

4.Electric Blade Clutch Switch: (See Figure 1.) Located on the right side of the mower behind the ignition switch. This is an “on/ off” toggle switch that controls the electric blade clutch which supplies power to the cutting blades through the PTO. The switch must be turned off to start the engine and should be turned off for safety any time another person approaches the mower or the mowing deck is raised to the transport position. Power to the electric clutch will also be cut off if the operator leaves the operator’s seat.

5.Parking Brake: (See Figure 3.) Located on the left side of the traction unit. The handle is an overcenter lever which applies the internal drum-type brake on each drive wheel when the handle is pulled to the rear. The brake must be engaged in order to start the engine.

6.Deck Lift Handle: (See Figure 3.) Located on the right front corner of the mowing deck.To raise the mowing deck to the transport position, the lever is pulled to the rear and moved inward to lock into a stop for transport. To lower the mowing deck, raise the deck lift handle and move it outward. This allows the handle to move forward, lowering the deck to the cutting position.

7.Fuel Shutoff Valve: (See Figure 4.) Located on top of the fuel tank. When turned in a clockwise direction until it stops, it will shut off the flow of fuel to the engine. When turned in a counterclockwise direction it will open and allow fuel to flow to the engine. Close this valve if you are not going to run the mower for a period of 30 minutes or more to prevent flooding the engine.

Steering Levers

Deck Lift Handle

Brake

Figure. 3

Figure. 4

Fuel Shutoff Valve

8.Seat Adjustment Lever: The Seat

Adjustment Lever is located beneath the seat. The Seat Adjustment Lever is used to move the seat forward and backward. To place the seat in the desired position pull the seat adjustment lever

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to the left then push the seat forward or back to the desired position. Release the lever so the seat will lock in place.

9.Digital Tachometer and Hour Meter: (See Figure 1) Located on the right side of the mower of the ignition switch. When the machine is running the tachometer displays engine rpm. When the machine is off the tachometer displays running time.

Note: There will be a flashing “LUBE” for each recommended lubrication interval.

There is a flashing “OIL” at each recommended engine oil and filter change. Flashing of “Lube” or “Oil” will continue for 1 hour regardless of maintenance done to the unit.

10.Choke Lever: (See Figure 2) The Choke Lever is located on the left instrument panel next to the seat. The Choke Lever is operated manually. Having the Choke Lever in the ON position helps the engine to start during initial start-up. During normal operation the Choke Lever should be in the OFF position.

B.Initial Adjustments and Service

1.Check the fluid levels and tires:

Note: These checks should be made daily, before starting the engine.

a.Fuel: Using a good grade of unleaded, regular gasoline (for a gasoline engine), fill the fuel tank (beside the engine on the left or right side of the mower). When the fuel reaches one inch from the top of the tank, stop. DO NOT OVERFILL. Space must be left for expansion.

b.Engine Oil: (Filled at the factory before shipment.) Pull out the oil dipstick, wipe it off and reinsert it. Pull it out again and read the oil level. If it is below the operating range, add oil through the fill tube using a funnel to bring it up to the top of the operating range.

Note: Gasoline Engine: Use SAE 10W30 or SAE 10W40 engine oil, rated for ser-

vice SJ.

c.Hydraulic Oil: (Filled at the factory before shipment.) The hydraulic oil tank is located beneath the operator’s seat. Always wipe off the area around the oil tank fill neck before checking the oil level to prevent dirt from contaminating the oil. Remove the cap and make sure the oil level is up to the lowest hole on the oil tank fill neck. The top hole is for venting. If the oil level is low, fill with a good grade of SAE20W50 oil.

d.Tires: 8-10 psi Rear, 25-30 psi Front Caster Tires

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Note: New tires are overinflated in order to properly seat the bead to the rim. The

normal working pressure for the traction tires is 8-10 psi. The front caster wheels should be inflated to 25-30 psi.

2.Check that all Nuts, Bolts and Screws are Tight.

3.Check the tension of the deck drive belts.

a.Remove the deck cover

b.The tension of the deck drive belts are maintained by a spring mechanism that adjusts for wear and stretch.

c.Examine the belts for cuts, fraying, and excessive wear. Replace if any of these are detected.

d.Replace the deck cover.

4.Adjust the Mowing Deck Proper Angle or Pitch:

The cutting height is set anywhere in the range of 1-1/2" to 5-1/2". You may need to adjust the mowing deck to achieve the proper angle for mowing. Follow the procedures below to set the appropriate angle to the mowing deck.

a.Park the mower on a flat paved surface, engage the parking brake, shut off the engine, remove the key from the ignition switch, disconnect the spark plug wires and using the transport lever, lower the mowing deck into the 4" height of cut position. (The 4" height of cut position is recommended in order for one to see and obtain a measurement. Any height of cut position is acceptable as long as a proper measurment can be taken.)

b.Using a ruler, pencil and paper, measure and note the distance from the paved surface to the bottom edge of the mowing blade at the front and the back of the deck on each side of the mower. (Four dimensions.) NOTE: When measusring

Note: The front blade edge of the mowing deck should be 1/8"-3/8" below the rear

blade edge of the deck so that the blades are cutting grass in only the front half of their circular path. This decreases friction and reduces the drive power required.

Note: While adjusting the mower decks proper angle and side to side leveling,

raise and lower the deck in order for the deck to “settle”. Occasionally, if the deck is not raised and lowered improper adjustment occurs. Improper adjustment especially occurs when the unit is new and pivot points and linkages are caught up in “fresh” paint.

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