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Summary of Contents for Exmark QSS708GEM42200
- Page 1 QUEST ® FRONT STEER For Serial Nos. 315,000,000 & Higher Part No. 4502-392 Rev. B...
- Page 2 SAE testing and gross/net power rating standards (J1940, J1995, J1349). 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
Recommended Maintenance Schedule(s) ....36 Premaintenance Procedures .......37 Raising the Seat ..........37 Raising the Front of the Machine.....37 Periodic Maintenance ........37 Lubrication.............37 Engine Maintenance........38 Servicing the Engine Oil .........40 Servicing the Spark Plug-Exmark 708cc Engine ............45 Servicing the Spark Plug-Kohler Engine ............46... -
Page 5: Safety
Safety Safety • Allow only responsible adults who are familiar with the instructions to operate the machine. Safety Alert Symbol • Clear the area of objects such as rocks, toys, wire, etc., which could be picked up and thrown by the This manual identifies potential hazards and has blade. -
Page 6: Slope Operation
Safety safely enough to protect themselves and others rollovers, which may result in serious injury, death from serious injury. or drowning. • Use a walk behind mower and/or a hand trimmer • Always follow the recommendations for wheel weights or counterweights. on slopes greater than 15 degrees, near drop-offs, ditches, steep banks or water. - Page 7 • Never fill containers inside a vehicle or on a as necessary. truck or trailer with a plastic liner. Always place • Use only genuine Exmark replacement parts to containers on the ground away from your vehicle ensure that original standards are maintained.
- Page 8 • Battery gases can explode. Keep cigarettes, sparks and flames away from battery. • Use only Exmark approved attachments. Warranty may be voided if used with unapproved attachments. • If loading the machine onto a trailer or truck, use a single, full-width ramp only.
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Page 9: Safety And Instructional Decals
Safety 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 damaged or lost. 93-7009 1. Warning—don't operate the mower with the deflector up or removed;... - Page 10 Safety 110-6691 1. Thrown object hazard—keep bystanders a safe distance from the machine. 2. Thrown object hazard, mower—do not operate without the deflector, discharge cover, or grass collection system in place. 3. Cutting/dismemberment of hand or foot—stay away from moving parts. 119-8870 50-inch Model 1.
- Page 11 100 lbs (45 kg). read the Operator’s Manual. 131-3621 1. Crushing/dismemberment hazard—keep bystanders away from the machine; do not activate KeyChoice ® switch (allows mowing in reverse) with bystanders nearby. 131-1097 42 and 50 Inch Models with Exmark Engine 1. Oil drain...
- Page 12 (80 lbs). 131-3665 42 inch Model 1. Spinning Blade 3. Read the Operator's PTO Switch Symbols Manual. 2. Reverse 1. PTO–disengage 2. PTO–engage Exmark Engines Only 1. Shut down engine at full throttle 131-3954 50 inch Model 1. On 2. Off...
- Page 13 Safety 121-0772 42 Inch Models with Exmark Engine 1. Fast 4. Choke 2. Continuous variable setting 5. Power take-off (PTO), Blade control switch 3. Slow 121-0773 50 Inch Models with Exmark Engine 1. Fast 4. Choke 2. Continuous variable setting 5.
- Page 14 Safety 131-4161 42 Inch Models with Kohler Engine 1. Fast 3. Slow 2. Continuous variable setting 4. Power take-off 131-4162 50 Inch Models with Kohler Engine 1. Fast 3. Slow 2. Continuous variable setting 4. Power take-off...
- Page 15 Safety 132-0870 1. Warning—read the Operator's Manual. 4. Thrown object hazard—keep bystanders a safe distance from the machine, pick up debris before operating, keep deflector in place. 2. Cutting/dismemberment hazard, mower blade; 5. Ramp hazard—When loading onto a trailer, do not use entanglement hazard, belt—stay away from moving parts, split ramps.
- Page 16 Safety Battery Symbols Some or all of these symbols are on your battery. 1. Explosion hazard 5. Read the Operator's Manual. 9. Flush eyes immediately with water and get medical help fast. 2. No fire, open flames, or smoking 6. Keep bystanders a safe distance 10.
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Page 17: Specifications
• Engine Specifications: See your Engine Owner’s Manual • PTO must be disengaged, traction pedal in • Engine Oil Type: Exmark 4-Cycle Premium neutral, and parking brake engaged to start engine. Engine Oil (It is not necessary for the operator to be in the seat to start the engine.) -
Page 18: Dimensions
Integrated drive systems. engine shaft. Blades are driven by one belt (w/self-tensioning idler) direct from the engine. • Hydraulic Oil Type: Exmark Premium Hydro Oil. • Deck: Full floating deck is attached to out-front • Hydraulic Filter—50 inch: P/N 109-3321 support frame. -
Page 19: Torque Requirements
Product Overview Wheel Base: (Center of Caster Tire to Product Overview Center of Drive Tire) 42 Inch Deck 50 Inch Deck 52.5 inches (133 cm) 50.5 inches (128 cm) Curb Weight: 42 inch Deck 50 inch Deck 645 lb (293 kg) 713 lb (323 kg) Torque Requirements Bolt Location... -
Page 20: Operation
The choke is used to aid in starting a cold engine. Do Not run a warm engine with the choke in the “ON” position. • Units with Exmark Engines: Pulling up on the Figure 4 choke control will put the choke in the “ON”... -
Page 21: Hour Meter
Operation Traction-Control Pedal cutting deck. Move the deck height adjustment lever outward at the desired height-of-cut. Only adjust the Located to the right of the steering wheel column height of cut while the machine is not moving. base. Pressing the top of the traction-control pedal moves KeyChoice ®... -
Page 22: Operating Instructions
Operation Figure 6 1. Hour meter location behind the seat g027830 Operating Instructions Figure 7 1. Safe Zone–use the Quest here. 2. Danger Zone–Use walk behind mower and/or hand Think Safety First trimmer on slopes greater than 15 degrees, near drop-offs and water. - Page 23 Operation Do Not overfill fuel tank. Fill the fuel tank to the DANGER bottom of the filler neck. The empty space in the In certain conditions during fueling, static tank allows gasoline to expand. Overfilling may result electricity can be released causing a spark which in fuel leakage or damage to the engine or emission can ignite gasoline vapors.
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Page 24: Checking The Engine Oil Level
2. Clean around the fuel tank cap and remove the 2. Disengage the blades by moving the blade control cap (see Figure 9). switch to “OFF”. Figure 10 Exmark Engine with 50 Inch Deck Shown 1. Ignition 5. Throttle lever 2. Off 6. Choke control 3. -
Page 25: Operating The Parking Brake (Smartpark ™ )
“SLOW” and engine, including the mower deck and cutting blades. “FAST” positions. • For Exmark Engines: Place the throttle in the Engaging the Blades “FAST” position. 1. Release the traction-control pedal to place the 5. -
Page 26: The Safety Interlock System
Operation The Safety Interlock System 6. With brake disengaged and traction pedal in neutral, turn the ignition switch to the “START” position. WARNING Note: The brake should automatically engage, If safety-interlock switches are disconnected the engine should crank, and the brake light will or damaged, the machine could operate turn on. -
Page 27: Driving Forward Or Backward
Note: If machine does not pass any of these tests, forward, or press on the bottom of the pedal to Do Not operate. Contact your authorized EXMARK move backward (Figure 12). SERVICE DEALER. -
Page 28: Mowing In Reverse
“SLOW” and deactivated. “FAST” positions. 4. Perform the mowing. • For Exmark Engines: Place the throttle in the 5. When finished mowing, remove the KeyChoice ® “FAST” position. key (Figure 5). -
Page 29: Adjusting The Anti-Scalp Rollers
Operation Adjusting the Anti-Scalp Rollers It is recommended to change the anti-scalp roller position when the height of cut has changed. 1. Stop the machine and release the traction-control pedal to place the machine in the neutral position. 2. Disengage the PTO. 3. -
Page 30: Positioning The Steering Wheel
Operation springs should be used with lighter operators and when mowing smooth, well established lawns. Always keep the number of springs on the left and right side the same when adding and removing springs. Figure 17 1. Bolt 3. Nut 2. -
Page 31: Side Discharge
Operation 4. Move the bypass levers forward through the key DANGER hole and down to lock them in place (Figure 19). Without the discharge deflector, mulch kit, or Note: Ensure this is done for each lever. entire grass collection system mounted in place, you and others are exposed to blade contact and 5. -
Page 32: Loading The Machine
Operation WARNING Loading a machine onto a trailer or truck increases the possibility of tip-over and could cause serious injury or death. • Use extreme caution when operating a machine on a ramp. • Use only a full-width ramp; do not use Figure 20 individual ramps for each side of the machine. -
Page 33: Operating Tips
Operation Cutting a Lawn for the First Time Cut grass slightly longer than normal to ensure that the cutting height of the mower does not scalp any uneven ground. However, the cutting height used in the past is generally the best one to use. When cutting grass longer than six inches tall, you may want to cut the lawn twice to ensure an acceptable quality of cut. -
Page 34: Blade Maintenance
File down any nicks and sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine Exmark replacement blade. Only Exmark blades are to be used with this unit. No other blades are approved. -
Page 35: Maintenance
Unauthorized modifications to the original equipment or failure to use original Exmark parts could lead to serious injury or death. Unauthorized changes to the machine, engine, fuel or venting system, may violate applicable... -
Page 36: Recommended Maintenance Schedule(S)
• Clean the grass and debris build-up from the machine and cutting deck. • Grease all lubrication points. • Clean the air cleaner foam element (more often in dusty, dirty conditions)(Exmark 708cc engine). • Service or replace the air cleaner pre-cleaner (more often under extremely dusty, dirty Every 25 hours conditions)(Kohler engine). -
Page 37: Premaintenance Procedures
Maintenance Premaintenance Periodic Maintenance Procedures Lubrication Raising the Seat Greasing the Bearings Service Interval: Every 25 hours/Monthly Make sure that the parking brake is engaged, and lift (whichever comes first) the seat forward. Grease Type: NGLI grade #2 multi-purpose gun The following components can be accessed by raising grease. -
Page 38: Engine Maintenance
Servicing the Air Cleaner–Exmark 708cc Engine 3. Clean around the air cleaner cover to prevent dirt from getting into the engine and causing damage. - Page 39 Note: Service the air cleaner more often under thoroughly. extremely dusty, dirty conditions. To learn more about the Exmark twin-cylinder engine 1. Park the machine on a level surface and disengage go to http://exmark.com/engines or scan the QR the blade control switch.
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Page 40: Servicing The Engine Oil
“FULL” mark on the dipstick. Exmark 4-Cycle 4. Check the engine oil level. Premium Engine Oil is recommended. Always check the level with the dipstick before adding more oil. - Page 41 “F” (FULL) mark on the dipstick. Exmark 2. Make sure the engine is stopped, level, and is cool 4-Cycle Premium Engine Oil is recommended.
- Page 42 Never operate the engine with the oil level below the “L”(LOW) mark or over the “F” (FULL) mark on the dipstick. Changing the Engine Oil-Exmark 708cc Engine Service Interval: After the first 5 hours Every 100 hours (change...
- Page 43 Maintenance g027477 Figure 37 5. Apply a thin film of clean Exmark 4-Cycle Premium Engine Oil to the rubber gasket on the new filter. Note: Ensure the oil filter gasket touches the engine, then an extra 3/4 turn is completed.
- Page 44 Maintenance g027660 Figure 38 7. Check the oil level; refer to Checking the Engine Oil Level–Exmark 708cc Engine section. Figure 39 8. Start the engine and check for leaks. Changing the Engine Oil-Kohler Note: Torque the plug to 14 N-m (125 in-lb).
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Page 45: Servicing The Spark Plug-Exmark 708Cc Engine
Figure 40 7. Check the oil level; refer to Checking the Engine Oil–Kohler Engine section. 5. Apply a thin film of clean Exmark 4-Cycle 8. Start the engine and check for leaks. Premium Engine Oil to the rubber gasket on the new filter. -
Page 46: Servicing The Spark Plug-Kohler Engine
Maintenance Removing the Spark Plug-Exmark 708cc engine 1. Disengage the PTO and ensure the parking brake is engaged. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating g027479 position. Figure 43 3. - Page 47 Maintenance Every 500 hours—Replace Important: Do Not clean the spark plug. the spark plug (Kohler Always replace the spark plug when it has a engine). black coating, worn electrodes, an oily film, or cracks. Ensure that the air gap between the center and side electrodes is correct before installing the spark plug.
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Page 48: Cleaning The Blower Housing
Figure 48 engine damage due to overheating. 1. Fuel filter-Kohler engine 2. Fuel filter-Exmark engine Fuel System Maintenance 5. Remove the filter from the fuel lines. Replacing the Fuel Filter 6. Install a new filter with the flow direction arrow... -
Page 49: Electrical System Maintenance
Maintenance Electrical System DANGER Maintenance Battery electrolyte contains sulfuric acid, which is poisonous and can cause severe burns. Swallowing electrolyte can be fatal or if it touches WARNING skin can cause severe burns. • Wear safety glasses to shield eyes, and rubber CALIFORNIA gloves to protect skin and clothing when Proposition 65 Warning... - Page 50 Maintenance Note: To prevent damage due to freezing, battery should be fully charged before putting away for winter storage. 3. Check the voltage of the battery with a digital voltmeter. Locate the voltage reading of the battery in the table below and charge the battery for the recommended time interval to bring the charge up to a full charge of 12.6 volts or greater.
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Page 51: Installing The Battery
Maintenance DANGER Jump starting a weak battery that is cracked, frozen, has low electrolyte level, or an open/shorted battery cell, can cause an explosion resulting in serious personal injury. Do Not jump start a weak battery if these conditions exist. 2. -
Page 52: Drive System Maintenance
Maintenance Servicing the Fuses Front Tires (caster wheels): 13 psi (90 kPa) Service Interval: As required The electrical system is protected by fuses. It requires no maintenance; however, if a fuse blows, check the component/circuit for a malfunction or short. Fuse: •... -
Page 53: Changing The Hydraulic System Filter And Oil--50 Inch Only
Maintenance Check expansion reservoir and if necessary add Exmark Premium Hydro Oil to the FULL COLD line. Figure 55 1. Jacking points 3. Locate the filter and filter guards on each transaxle drive system. Remove three screws securing the filter guard and guard. -
Page 54: Bleeding The Hydraulic System
Maintenance 6. Locate and remove the vent plug on each plug holes. Stop and install that vent plug. Torque transmission the plug to 180 in-lb (20.3 N-m). 7. Unscrew the filter to remove and allow oil to 6. Continue to add oil through the expansion drain from drive system. -
Page 55: Mower Maintenance
Checking for Bent Blades the blades as necessary. If a blade is damaged or Note: The machine must be on a level surface for worn, replace it immediately with a genuine Exmark the following procedure. replacement blade. For convenient sharpening and replacement, you may want to keep extra blades on 1. -
Page 56: Removing The Blades
3. Opposing side of blade being moved into measurement to exceed 1/8 inch (3mm), the blade spindle position could be bent. Contact an Authorized Exmark Dealer for service. 5. Measure from the tip of the blade to the flat B. If the variance is within constraints, move to surface here. -
Page 57: Leveling The Mower Deck
Maintenance Installing the Blades Hold the blade end using a rag or thickly-padded glove. Remove the blade bolt, curved washer, and 1. Install the blade onto the spindle shaft (Figure 63). blade from the spindle shaft (Figure 63). Important: The curved part of the blade must be pointing upward toward the inside of the mower to ensure proper cutting. - Page 58 Maintenance 9. Raise or lower the left side of the mower deck by rotating the rear nut. (Figure 68). Note: Rotate the rear nut clockwise to raise the mower deck; rotate the rear nut counter-clockwise G009682 to lower the mower deck. Figure 66 Mower Deck with 2 Blades 1.
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Page 59: Removing The Mower
Maintenance G009658 Figure 69 Mower Deck with 2 Blades 1. Blades front to rear 2. Measure from the tip of the blade to the flat surface here G014634 Figure 71 1. Adjusting rod 3. Lock nut 2. Adjusting block 7. To raise the front of the mower, tighten the adjustment nut. -
Page 60: Mower Belt Maintenance
Maintenance G005077 Figure 74 1. Mower deck 3. Rear lift rod 2. Hanger bracket G014635 Figure 72 7. Slide the mower deck rearward to remove the 1. Front support rod 3. Deck bracket mower belt from the engine pulley. 2. Locking nut 8. -
Page 61: Installing The Mower
Maintenance 4. Using a spring removal tool, (P/N. 92-5771), remove the idler spring from the deck hook to remove tension on the idler pulley and roll the belt off of the pulleys (Figure 75 and Figure 76). WARNING The spring is under tension when installed and can cause personal injury. -
Page 62: Replacing The Discharge Deflector
Maintenance Replacing the Discharge Deflector 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 63: Cleaning
Maintenance Cleaning Clean Grass Build-Up Under Deck Service Interval: Before each use or daily 1. Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake. 2. Raise deck to the transport (4 1/2 inch (114 mm) cutting height) position. -
Page 64: Clean Debris From Machine
Maintenance 2. Clean all debris from rotating engine air intake screen, around engine shrouding, and exhaust system area. 3. Wipe up any excessive grease or oil around the engine and exhaust system area. Clean Debris From Machine Service Interval: Before each use or daily 1. -
Page 65: Storage
Storage Storage Stop the engine, allow it to cool, and drain the fuel tank; refer to Draining the Fuel Tank in the Fuel System Maintenance section. Cleaning and Storage Restart the engine and run it until it stops. 1. Disengage the blade control switch, release the Choke the engine (if applicable). -
Page 66: Troubleshooting
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 67 Troubleshooting Problem Possible Cause Corrective Action Engine loses power 1. Engine load is excessive. 1. Reduce the ground speed. 2. Air cleaner is dirty. 2. Clean or replace the air cleaner element. 3. Oil level in the crankcase is low. 3.
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Page 68: Schematics
Schematics Schematics Electrical Diagram... - Page 69 Schematics Electrical Logic Schematic...
- Page 70 To locate a dealer convenient to you, access our website at discretion) to be defective in factory materials or workmanship for a www.exmark.com. U.S. or Canada customers may also call period of three years for residential usage of Exmark Quest turf 402-223-6375. equipment.
- Page 71 Notes:...
- Page 72 Notes:...
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Page 73: Service Record
Service Record Date: Description of Work Done: Service Done By:... - Page 75 G011841 Figure 79 This page may be copied for personal use. 1. The maximum slope you can safely operate the machine on is 15 degrees. Use the slope indicator to determine the degree of slope of hills before operating. Do Not operate this machine on a slope greater than 15 degrees. Fold along the appropriate line to match the recommended slope.
- Page 76 Pack) or Fill in Below Engine Model No. and Spec. No. Model No. Engine Serial No. (E/No) Serial No. ©2015 Exmark Mfg. Co., Inc. Part No. 4502-392 Rev. B Industrial Park Box 808 (402) 223-6290 Beatrice, NE 68310 Fax (402) 223-5489...
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