Simplicity Cobalt Series Operator's Manual
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Simplicity Cobalt Series Operator's Manual

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Tony Frisch
April 25, 2025

How to adjust striping roller

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April 25, 2025

How to adjust stripper height

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Summary of Contents for Simplicity Cobalt Series

  • Page 2: Table Of Contents

    Table of Contents: Purging the Air from the Hydraulic System....28 Checking Tire Pressures..........29 General Information.............. 3 Lubrication..............29 Identifying Your Unit............3 Lubricate the Front Casters..........30 Product Identification Tag Decal........3 Servicing the Mower Blades...........30 Operator Safety..............3 Seat Adjustment.............

  • Page 3: General Information

    Engine Code/Serial Number:  displayed. LEFT and RIGHT are as seen from the operator's Date of Purchase:  position.  Purchase Location:  SIMPLICITY is a trademark of Briggs & Stratton Power When contacting your authorized dealer for replacement Products Group, LLC  parts, service, or information you MUST have these numbers. ...
  • Page 4 Operating Safety Children Congratulations on purchasing a superior-quality piece of Tragic accidents can occur with children. Do not allow them lawn and garden equipment. Our products are designed and anywhere near the area of operation. Children are often manufactured to meet or exceed all industry standards for attracted to the unit and mowing activity.
  • Page 5 Thrown Objects Keep the roll bar in the raised position and fasten the seat belt. There is no roll over protection when the roll bar is down! Do not jump off if the mower tips (it is safer to be secured by the seat belt with the roll bar raised.) Lower the roll bar only when necessary (such as to temporarily clear a low overhanging obstacle) and NEVER...

  • Page 6: Slope Identification Guide

    Gasoline and its vapors are extremely flammable. Do not smoke while operating or refueling. Do not add fuel while WARNING engine is hot or running. Allow engine to cool for at least 3 Do not operate on slopes greater than 15 degrees.  minutes prior to adding fuel. ...
  • Page 7 • Wear appropriate clothing including safety shoes, safety • Stop equipment and inspect blades after striking objects glasses and ear protection. Long hair, loose clothing or or abnormal vibration occurs. Make necessary repairs jewelry may get tangled in moving parts. before resuming operations. ...
  • Page 8 may suddenly appear in the mowing area for another ride of the angle at which machine lift-off occurred in static tests. Actual dynamic stability may vary depending on operating conditions.  and be run over or backed over by the machine.  Do: ...
  • Page 9 • Never store the machine or fuel container inside where there is an open flame, such as in a water heater. Allow WARNING unit to cool before storing.  Units with hydraulic pumps, hoses, or motors: Hydraulic • Shut off fuel while storing or transporting. Do not store fluid escaping under pressure may have sufficient force to fuel near flames or drain indoors. ...

  • Page 10: Safety Decals

    Inspection and Maintenance of the Roll Bar Inspection of the Roll Bar Protective Structure Seat Belt WARNING WARNING Failure to properly inspect and maintain the ROLL BAR Failure to properly inspect and maintain the seat belt can protective structure can cause serious injury or death. cause serious injury or death. ...
  • Page 11     E   Part No.: 51004082 - Decal, G   Part No.: 5100405 - Decal, Warning, FLDG RL BR  Warning, ROPS         * Located on the front of the Roll Bar pockets on the frame of the unit.  ** Located near the transmission fans.  A ...

  • Page 12: Safety Icons

    Safety Icons NOTICE indicates a situation that could result in damage to the product. Safety Interlock System This unit is equipped with safety interlock switches. These safety systems are present for your safety, do not attempt to bypass safety switches, and never tamper with safety devices.

  • Page 13: Zero-Turn Rider Controls

    Zero-Turn Rider Controls Cutting Height Adjustment Pin Deck Lift Lock Lever Parking Brake: Pull the parking brake lever up and back to engage the parking brake. Move the lever fully forward and down to disengage the parking brake. Callout  Control Name  Note: To start the unit the parking brake must be engaged.
  • Page 14 Callout Icon Description   Callout  Control Name  FORWARD A  Seat Adjustment Lever (Forwards / Backwards)  NEUTRAL B  Seat Adjustment Knob (Suspension/ Ride Comfort)  REVERSE C  Lumbar Adjustment Lever (Located underneath right hand arm rest)  NEUTRAL LOCKOUT D  Back Angle Adjustment Knob  POSITION E ...

  • Page 15: Instrument Control Panel

    The seat belt should always be worn when the Roll Bar is in The seat latch is spring loaded. When the seat plate is the raised position. The seat belt should never be worn when lowered back into place the seat latch will lock the seat plate the Roll Bar is in the down position.

  • Page 16: Operation

    The hour meter has a self contained power source so that the recorded hours are always visible even when the engine is PTO (Power Take Off) Switch: The PTO switch OFF. engages and disengages the mower blades. Pull UP on the switch to engage, and push DOWN to disengage.

  • Page 17: Checks Before Starting

    immediately, and consult engine operator's manual. Warm up the engine by running it for at least a minute WARNING before engaging the PTO switch or driving the rider. Do NOT load this zero-turn rider on a trailer or truck using 4.
  • Page 18 Reverse Travel Practice LOOK DOWN & BEHIND, then gradually move both ground speed control levers evenly BACK from neutral. Slow down and repeat. NOTE: Practice backing up for several minutes before attempting to do so near objects. The rider turns sharply in FIRST place your hands onto the levers as shown. reverse as well as forward, and backing up straight takes practice.

  • Page 19: Mowing

    As you become more familiar and experienced with operating the Zero Turn rider, you will learn more maneuvers that will make your mowing time easier and more enjoyable. Remember, the more you practice, the better your control of the Zero Turn will be! Mowing 1.
  • Page 20 • Avoid mowing after rain or even heavy dew, and never mulch when the grass is wet (moist grass does not mulch well, and clumps beneath the mower deck).  Mowing Patterns Always start mowing on a smooth, level area.  The size and type of area to be mowed will determine the best mowing pattern to use.

  • Page 21: Pushing The Rider By Hand

    The remainder of the mowing should be done in the opposite The best mulching action typically results from cutting only direction so that the clippings are dispersed OUT onto the the top ½ inch to 3/4 inch of grass blade. This provides area of lawn previously cut. ...

  • Page 22: Raise And Lower The Roll Bar

    1. Pull the hair pin clips (A, Figure 22) out of the retainer pins (B). 2. Push or pull the top of the roll bar (C) forward against the 4. Disengage the parking brake. The zero-turn rider can now spring clips (D) and remove the retainer pins (B). be pushed by hand.

  • Page 23: Storage

    unauthorized use, remove the spark plug(s) and put in a safe place. Be sure the spark plug opening is protected from foreign objects with a suitable cover. • If the unit can’t be stored on a reasonable level surface, chock the wheels. •...

  • Page 24: Maintenance Procedures

    UNIT MAINTENANCE Every 400 Hours or Yearly Change Hydraulic Oil & Filter ENGINE MAINTENANCE Before Each Use Check Engine Oil Level Every 25 Hours Check/Clean Cooling Fins & Intake* Every 50 Hours Check/Clean Spark Arrester** Refer to Engine Owner's Manual Service Air Filter Change Oil &...

  • Page 25: Check Engine Oil Level

    7. Reconnect the negative battery cable when finished.  Check Engine Oil Level Interval: Before Each Use Refer to the engine owners manual for dipstick and oil fill locations and specific engine oil check and fill procedures. Briggs & Stratton Vanguard Engines with Remote Oil Tank (Select Models) Some models in this series of mower feature a remote oil tank (A, Figure 25) that supplies oil to the engine.

  • Page 26: Changing The Engine Oil And Filter (All Other Models)

    7. Remove the cap from the drain spout of the oil drain valve. 12. Remove the engine oil dipstick and check the oil level. 8. To operate the oil drain valve, turn counter-clockwise to Maximum oil level is the "FULL" line (G, Figure 26) on the open and drain the engine oil into a suitable container.

  • Page 27: Disposing Of Used Engine Oil

    CAUTION Do not disconnect or reconnect ECU wiring harness connector or any individual components with the ignition switch in the "ON" position. This can send a damaging voltage spike through the ECU. Unplug harness from ECU before performing any welding on equipment.

  • Page 28: Transmission Oil Filter Change

    3. Before removing the tank cap (C), make sure that the area around the tank cap and fill neck of the tank is free 3. After the oil has drained from the transaxle, remove the of dust, dirt, and other debris. Remove the tank caps. oil filter (C) from the transaxle housing.

  • Page 29: Checking Tire Pressures

    2. Open the transaxle’s bypass valves (see Pushing the • seat plate pivots  Rider by Hand for the location and function of the bypass • deck lift pivots  valves), start the engine, release the parking brake, and • discharge chute hinge  slowly move the zero-turn rider’s ground speed control Generally, all moving metal parts should be oiled where levers in both forward and reverse directions (5 to 6...

  • Page 30: Lubricate The Front Casters

    Lubricate the Front Casters  Interval: Annually  1. Remove the 1/4-28 bolt (A, Figure 35) screwed into the caster and install a 1/4-28 grease fitting.  2. Using a wrench, remove the bolt securing the blade to the spindle.  Inspecting the Mower Blades DANGER  Thrown objects hazard ...
  • Page 31 Balancing the Mower Blades CAUTION  Thrown objects hazard  An unbalanced mower blade can create excessive vibration and damage the unit, or cause mower blade failure resulting in thrown debris.  Be sure blade is balanced before installing.  1. Clean the mower blade to remove any dried grass or other debris. ...

  • Page 32: Seat Adjustment

    Seat Adjustment Lever (Forwards / Backwards): The seat can be adjusted forward and back. Move the forwards / backwards seat adjustment lever (A, Figure 43), position the seat as desired, and release the lever to lock the seat in position. Seat Adjustment Knob  (Suspension/Ride Comfort): The seat adjustment knob (B) adjusts the suspension of the seat 2.

  • Page 33: Speed Balancing Adjustment

    WARNING  DO NOT adjust the tractor for a faster overall speed forward or reverse than it was designed for.  Cutting Height Adjustment The cutting height adjustment pin (A, Figure 46) controls the mower's cutting height. The cutting height is adjustable between 1-1/2"...

  • Page 34: Foot Pedal Adjustment

    To set the cutting height at 5" (12,7 cm): 1. While sitting in the operator’s seat, press the deck lift foot pedal forward until it locks into the 5" (12,7 cm) position. 2. Place the cutting height adjustment pin in any open cutting height hole.

  • Page 35: Return-To-Neutral Adjustment

    1. Disengage the PTO, engage the parking brake and turn • if the ground speed control lever aligns with the notch off the engine.  in the neutral lock plate, adjustment is complete;  2. There are two nuts (B) on the linkage rod. Loosen the •...

  • Page 36: Parking Brake Adjustment

    6. Position the neutral lockout bolts to the center of the 9. Position the set collars 1/8" (.32 cm) away from the notches of the neutral lockout plates. parking brake spring brackets and tighten. 7. Re-tighten the jam nuts. If this does not correct the braking problem, see your dealer.

  • Page 37: Deck Leveling Adjustment

    5. To adjust the outer lift rod (E): Loosen the jam nut (F) on the front ball joint (G) then remove the 1/2” hardware (H) fastening the ball joint to the lift pivot arm. Turn the ball joint clockwise to shorten the distance between the rod pivots or counter-clockwise to lengthen the distance between the rod pivots.

  • Page 38: Deck Lift Assist Springs

    If the measurements do not equal the measurements as listed above, adjust the deck leveling.  Deck Leveling Adjustment 1. Place the deck height adjustment pin in the 4" (10,2 cm) position. 2. Place 2 X 4 blocks under each corner of the mower deck with the 3-1/2"...

  • Page 39: Short Right Hand Deck Belt Replacement (61" Mower Deck)

    11. Re-install the mower deck guards and the floor pan. 12. Run the mower under no-load condition for about five (5) 4. Remove the long left hand belt (D) from the adjustable minutes to break in the new belts. idler pulley (E) and it’s belt guide (F). 5.

  • Page 40: Transmission Drive Belt Replacement

    Transmission Drive Belt Replacement The illustration depicts the transmission drive belt setup as seen from the top side of the unit and the arrow (A, Figure 62) indicates the front of the unit. 5. Remove the spring anchor hardware (D) that anchors the idler arm spring (E) to the mower deck.

  • Page 41: Suspension Adjustment

    7. Re-install the spring anchor eye bolt into the spring • Before adjusting the upper shock mount to a higher anchor tab and loosely fasten the adjustment nut. numbered position, you should attempt to achieve the ride height through the spring pre-load adjustment.  8.

  • Page 42: Battery Maintenance

    Troubleshooting Battery Maintenance This unit is equipped with a maintenance-free BCIU1 battery. While normal care and regular maintenance will extend the life of your equipment, prolonged or constant use may eventually require that service be performed to allow it to WARNING continue to operating properly.

  • Page 43: Troubleshooting Common Cutting Problems

    Problem: Engine starts hard or runs poorly. Problem: Unit steers or handles poorly. Cause Remedy Steering linkage is loose. Check and tighten any loose connections. Fuel mixture too rich. 1.) Clean air filter. 2.) Carburated Models: Check choke adjustment. Improper tire inflation See Checking Tire Pressures.

  • Page 44: Specifications

    Problem: Streaking Problem: Uneven Cutting Blades are not sharp. Sharpen your blades. Deck is not leveled correctly. Level the deck correctly. Blades are worn down too far. Replace your blades. Blades are dull or worn. Sharpen or replace the blades. Engine speed is too slow.

  • Page 45: Warranty

    Authorized Service Dealer in our dealer locator inconvenienced. Warranty service is available only through map at simplicitymfg.com .The purchaser must contact Simplicity Authorized Service Dealers. Most warranty the Authorized Service Dealer, and then make the product repairs are handled routinely, but sometimes requests for available to the Authorized Service Dealer for inspection and warranty service may not be appropriate.
  • Page 46 caused by lack of maintenance or use of non-original parts is not covered by warranty. Normal Wear - Like all mechanical devices, your unit is subject to wear even when properly maintained. This warranty does not cover repairs when normal use has exhausted the life of a part or the equipment.
  • Page 47 Notes...

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