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Related Manuals for Exmark Vikingtm Hydro 4500-355
Summary of Contents for Exmark Vikingtm Hydro 4500-355
- Page 1 VIKING HYDRO ™ For Serial Nos. 790,000 & Higher Part No. 4500-355 Rev. A...
- Page 2 Replacements may be ordered through the engine manufacturer. Exmark reserves the right to make changes or add improvements to its products at any time without incurring any obligation to make such changes to products manufactured previously.
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Page 3: Introduction
All Exmark parts are thoroughly tested and inspected before leaving the factory, however, attention is required on your part if you are to obtain the fullest measure of satisfaction and performance. -
Page 4: Table Of Contents
Contents Introduction ... 3 Safety ... 5 Safety Alert Symbol ... 5 Safe Operating Practices ... 5 Safety and Instructional Decals ... 10 Specifications ... 13 Model Numbers ... 13 Systems ... 13 Dimensions... 14 Torque Requirements ... 14 Product Overview ... 15 Operation ... -
Page 5: Safety
• Evaluate the terrain to determine what accessories and attachments are needed to properly and safely perform the job. Only use accessories and attachments approved by Exmark. • Wear appropriate clothing including safety glasses, substantial footwear, long trousers, and hearing protection. - Page 6 Safety DANGER In certain conditions gasoline is extremely flammable and vapors are explosive. A fire or explosion from gasoline can burn you, others, and cause property damage. • Fill the fuel tank outdoors in an open area, when the engine is cold. Wipe up any gasoline that spills.
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Page 7: Slope Operation
Operation WARNING Operating engine parts, especially the muffler, become extremely hot. Severe burns can occur on contact and debris, such as leaves, grass, brush, etc. can catch fire. • Allow engine parts, especially the muffler, to cool before touching. • Remove accumulated debris from muffler and engine area. -
Page 8: Maintenance And Storage
Safety DANGER Operating on wet grass or steep slopes can cause sliding and loss of control. Loss of control and/or loss of operator’s footing could result in a fall with an arm or leg getting under the mower or engine deck which may result in serious injury, death or drowning. - Page 9 WARNING Hydraulic fluid escaping under pressure can penetrate skin and cause injury. Fluid accidentally injected into the skin must be surgically removed within a few hours by a doctor familiar with this form of injury or gangrene may result. • Make sure all hydraulic fluid hoses and lines are in good condition and all hydraulic connections and fittings are tight before applying pressure to...
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Page 10: Safety And Instructional Decals
36 inch Deck Units Only • New safety signs may be obtained from your authorized Exmark equipment dealer or distributor or from Exmark Mfg. Co. Inc. • Safety signs may be affixed by peeling off the backing to expose the adhesive surface. Apply only to a clean, dry surface. - Page 11 103-1798 103-2076 103-2103 Safety 103-2196 103-2242...
- Page 12 Safety 116-0404 103-2243 103-4935 103-5626 48 inch Deck Units Only...
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Page 13: Specifications
• Two Hydro Gear variable displacement piston pumps independently coupled to two high efficiency Parker wheel drive motors. • Hydraulic Oil: Use Exmark Premium Hydro Oil. • Hydraulic Oil Capacity: 2.4 qt. (2.2 L) • Hydraulic Filter is replaceable cartridge type. -
Page 14: Dimensions
Specifications Cutting Deck • Cutting Width: – 36 inch Deck: 35.38 inches (89.9 cm) – 48 inch Deck: 47.25 inches (120.0 cm) • Discharge: Side • Blade Size: – 36 inch Deck: 18.00 inches (45.7 cm)— Quantity: 2 – 48 inch Deck: 16.25 inches (41.3 cm)— Quantity: 3 •... -
Page 15: Product Overview
Product Overview Figure 3 1. ECS Handles 3. Fuel Cap 2. Controls 4. Blade Spacers Operation Note: Determine the left and right sides of the machine from the normal operating position. Controls Operator Presence Control (OPC) Levers Located on the upper handle assembly directly above the handle grips. -
Page 16: Speed Control Lever
Operation as shown in Figure 4, and the drive levers are released, the drive wheels are engaged in the forward direction. Squeezing the left hand and/or right hand lever causes the left hand and/or right hand drive wheel respectively to slow down, stop, or reverse, depending on how far each drive lever is “squeezed”. -
Page 17: Pre-Start
The knob can be adjusted so that machine will “track” straight ahead with the drive levers released. PTO Engagement Control Located on left side of control console. To engage the blades, the knob must be pulled toward the operator until the turnbuckle (attached to the blade engagement idler) locks over-center. -
Page 18: Driving The Machine
Operation DANGER An uncovered discharge opening will allow objects to be thrown in an operator’s or bystander’s direction. Also, contact with the blade could occur. Thrown objects or blade contact can cause serious injury or death. Never operate the mower with the discharge deflector raised, removed, or altered unless there is a grass collection system or mulch kit in place and working properly. -
Page 19: Transporting
Figure 5 1. Drive Lever in neutral 3. Drive Lever in forward position position 2. Drive Lever locked in 4. Drive Lever in reverse neutral position position Driving Forward 1. Release the parking brake. 2. With drive levers locked in “neutral”, shift speed control lever to desired forward speed. -
Page 20: Maintenance
Maintenance Maintenance Note: Determine the left and right sides of the machine from the normal operating position. WARNING While maintenance or adjustments are being made, someone could start the engine. Accidental starting of the engine could seriously injure you or other bystanders. Remove the key from the ignition switch, engage parking brake, and pull the wire(s) off the spark plug(s) before you do any... -
Page 21: Periodic Maintenance
Deflector Service Interval: As required DANGER An uncovered discharge opening could allow the lawn mower to throw objects in the operator’s or bystander’s direction and result in serious injury. Also, contact with the blade could occur. Never operate the lawn mower unless you install a mulch plate, discharge deflector, or grass collection system. -
Page 22: Check Safety Interlock System
Check Safety Interlock System Service Interval: Before each use or daily 1. For your safety, your Exmark mower is equipped with Operator Presence Controls, referred to as (OPC). When either the PTO is engaged, or the speed control lever is not in neutral and the operator removes both hands from the handles, the mower engine must stop. -
Page 23: Service Pre-Cleaner Element And Air Cleaner
2. Clean area around hydraulic reservoir cap and remove cap. Oil level should be to the top of the baffle inside the tank. If not, add oil. Use Exmark Premium Hydro oil. Replace hydraulic reservoir cap and tighten until snug. Do Not overtighten. -
Page 24: Lubricate Grease Fittings
40 hours Service Interval: After the first 250 hours 40 hours Note: Use only Exmark Part No. 109–4180 for Summer use above 32°F (0°C) or P/N 1-523541 for Winter use below 32°F (0°C) (Refer to Transmission section in Specifications for filter specifications). - Page 25 4. Fill reservoir as stated in Check Hydraulic Oil Level. Exmark Premium Hydro Oil is recommended. Refer to the chart for an acceptable alternative: Change Interval Hydro Oil Exmark Premium Hydro 500 Hours Oil (Preferred) Mobil 1 15W50 250 Hours 5.
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Page 26: Wheel Hub-Slotted Nut Torque Specification
Maintenance Note: Hydraulic reservoir can be pressurized up to 5 psi to speed this process. 6. If either drive wheel still does not rotate, stop and repeat steps 4 and 5 above for the respective pump. If wheels rotate slowly, the system may prime after additional running. -
Page 27: Adjustments
Adjustments Note: Disengage PTO, shut off engine, wait for all moving parts to stop, engage parking brake, and remove key before servicing, cleaning, or making any adjustments to the unit. Adjusting the Cutting Height The cutting height of the mower deck is adjusted from 1 inch to 4 1/4 inches (2.54 cm to 11.4 cm) in 1/4 inch (.64 cm) increments by adjusting the axle position, number of spacers below the caster hub,... -
Page 28: Adjusting The Axle Position
Maintenance Cutting Height Adjustment Table (1 inch to 4 1/4 inches (2.5 cm-10.8 cm)) (cont'd.) Cutting Axle Number Of Spacers Height Position Below Caster Range (Figure 9) Support Hub inch (1.2 cm) 2 1/8– 3 1/8 inches (5.4–7.9 cm) 2 1/4– 3 1/4 inches (5.7–8.3 cm) 2 1/2–... -
Page 29: Adjusting The Number Of Spacers Below Caster Support Hub
CAUTION Raising the mower for service or maintenance relying solely on mechanical or hydraulic jacks could be dangerous. The mechanical or hydraulic jacks may not be enough support or may malfunction allowing the unit to fall, which could cause injury. Do Not rely solely on mechanical or hydraulic jacks for support. -
Page 30: Pto Engagement Linkage Adjustment
Maintenance 4. Stop the engine, remove the key and wait for all moving parts to stop. 5. Blades may be adjusted for cutting height by using the four 1/4 inch (.64 cm) spacers found on the blade spindle bolts (factory setting is two above and two below). -
Page 31: Engine To Mower Deck Belt Adjustment
3. Be sure the bellcrank Does Not touch the switch body or damage to the switch could occur. 4. Retighten switch mounting bracket. Engine to Mower Deck Belt Adjustment 1. Stop engine and wait for all moving parts to stop. Engage parking brake. -
Page 32: Blade Brake Adjustment
Maintenance Figure 15 48 inch Mower Deck Blade Brake Adjustment 1. Stop engine and wait for all moving parts to stop. Engage parking brake. Remove key or spark plug wire(s). 2. Disengage PTO. 3. Make sure the blade brake pad rests against the sheave. -
Page 33: Hydro Drive Linkage Adjustment
Hydro Drive Linkage Adjustment • Adjust Speed Control Linkage and Neutral Safety Switch: 1. Stop engine and wait for all moving parts to stop. Engage parking brake. Remove key or spark plug wire(s). 2. Move the speed control lever (located on the console) to the full forward position and check the orientation of the tabs on the ends of the speed control crank (see Figure 19). - Page 34 Maintenance to see if the wheel stops. If not, repeat the above adjustment procedure. 6. Make this adjustment on both sides. 7. After adjustments are made and the wheels stop when the drive levers are in the neutral position, tighten the nuts against the yokes. •...
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Page 35: Hydro Pump Spring Tension Setting
shorten the linkage if the tire is creeping forward. Tighten the jam nuts at both ends. Release and re-engage the neutral lock latch checking that the tire stops. Continue this process until the tire is at a dead stop. 3. Make this adjustment for both sides. •... -
Page 36: Cleaning
Maintenance Cleaning Clean Engine Air Cooling System Service Interval: Before each use or daily 1. Stop engine and wait for all moving parts to stop. Engage parking brake. Remove key or spark plug wire(s). 2. Clean all debris from engine air intake screen and from around engine shrouding. -
Page 37: Troubleshooting
Troubleshooting Important: It is essential that all operator safety mechanisms be connected and in proper operating condition prior to mower use. When a problem occurs, do not overlook the simple causes. For example: starting problems could be caused by an empty fuel tank. The following table lists some of the common causes of trouble. - Page 38 Troubleshooting Problem Machine does not drive. Uneven cutting height. Abnormal vibration. Blades do not rotate. Blades do not stop when disengaged. Possible Cause 1. Bypass valve is not closed tight. 2. Drive or pump belt is worn, loose or broken. 3.
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Page 39: Schematics
Schematics Schematics Wiring Diagram TRANSMISSION SWITCH SWITCH N.O. N.O. FROM SAFETY SWITCH INTERLOCK MODULE N.O. GREEN YELLOW GREEN PARK BRAKE SWITCH BLACK SWITCH N.O. CONNECTORS ARE VIEWED FROM WIRE END ENGINE N.C. = NORMALLY CLOSED N.O. = NORMALLY OPEN G006968... - Page 40 Schematics...
- Page 41 • Attorney's fees. No Claim of breach of warranty shall be cause for cancellation or rescission of the contract of sale of any Exmark mower. All implied warranties of merchantability (that the product is fit for ordinary use) and fitness for use (that the product is fit for a particular purpose) are limited to the duration of the express warranty.
- Page 44 SEE EXMARK’S COMPLETE LINE OF ACCESSORIES AND OPTIONS MID-MOUNT RIDING ACCESSORIES AND OPTIONS CUSTOM RIDE SEAT SUSPENSION SYSTEM FULL SUSPENSION SEAT DECK LIFT ASSIST KIT HITCH KIT LIGHT KIT V POWER PORT MICRO-MULCH SYSTEM OUT-FRONT RIDING ACCESSORIES AND OPTIONS CUSTOM RIDE SEAT SUSPENSION SYSTEM...