Exmark 4500-352 Shifter Detent Adjustment, PTO Safety Switch Adjustment, Handle Height Adjustment

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Shifter Detent Adjustment

Maintenance

Figure 24

1. Shifter Lever

3. Adjustment slot

2.Equal distance

•To adjust the shifter lever:

1.Remove the 3/8 inch nyloc nut and spring disc washer from the stud on top of the transmission (See Figure 25).

Figure 25

1. Shifter Lever

3. Transmission

2.Square Holed Washer

2.Remove the shifter lever and bend it slightly. Do Not bend the lever while it is attached to the transmission.

3.Re-install lever and torque the 3/8 inch nyloc nut to 35 ft-lb (47 N-m).

•To adjust shifter plate:

Note: The square-hole washer must be between the lever and the transmission.

Place shifter lever in the neutral position. Loosen the two bolts securing the shifter plate to the shifter lever legs. Adjust shifter plate and retighten bolts.

Shifter Detent Adjustment

Transmission shifter detent can be adjusted by adjusting the setscrew on the back side of transmission located just behind the neutral start switch. Turn setscrew in (clockwise) to hold the transmission shifter more positively in each gear and to increase the force on the lever required to shift gears.

Turn setscrew out (counterclockwise) to decrease force on lever required to shift gears. Factory setting is to turn setscrew all the way in then back out 1 1/2 turns.

Important: Screwing setscrew in too far will prevent the transmission from shifting.

PTO Safety Switch

Adjustment

1.Stop engine and wait for all moving parts to stop. Engage parking brake. Remove key or spark plug wire(s).

2.With the blades disengaged and the bellcrank touching the engine deck, adjust the blade safety switch (if needed) until the bellcrank depresses the plunger by 1/4 inch (.64 cm).

3.Be sure the bellcrank does not contact the switch body to prevent damage to the switch.

4.Retighten switch mounting hardware.

Handle Height Adjustment

The handle can be pivoted to allow positioning in one of the three holes allowing various adjustments for operator comfort (see Figure 26).

To adjust the handle height:

1.Remove the bottom mounting hardware on each side of the handle.

2.Pivot the handle to one of the three positions.

3.Re-install hardware and tighten.

Important: If the handle height position is changed, it will be necessary to readjust the drive and brake linkage (see Check Brake and Wheel Drive Linkage Adjustment section in Operation.)

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Contents METRO For Serial Nos 790,000 & HigherCALIFORNIA Proposition 65 Warning Introduction Model No Serial NoContents Safety Safety Alert SymbolSafety ALERT! YOUR SAFETY IS INVOLVEDDANGER Avoid prolonged breathing of vaporsKeep face away from nozzle and gas tank/container opening Keep away from eyes and skin Never siphon by mouthOperation Slope OperationAllow engine parts, especially the muffler, to cool before touching Remove accumulated debris from muffler and engine areaMaintenance and Storage Do Not mow slopes when grass is wetMow across slopes, never up and down Do Not mow near drop-offs or near waterSafety and Instructional Decals ECS Units Only 48 inch Units Only Pistol Grip Units OnlySpecifications SpecificationsSafety Interlock System Model NumbersDimensions Curb WeightTorque Requirements Cutting DeckProduct Overview OperationControls Operation“Off-Run” Switch Drive LeversNeutral Lock/Park Brake Latches Choke ControlPre-Start Operating InstructionsOpen the Fuel Shut-Off Valve Starting the EngineDriving the Machine Drive Lever/Neutral Lock/Park Brake Latch OperationFor Pistol Grip Handles For ECS HandlesIf necessary, use assistance when loading TransportingChanging Gears Transporting a UnitMaintenance MaintenanceRecommended Maintenance Schedules Periodic Maintenance Service Interval Before each use or dailyService Interval As required Check Engine Oil LevelCheck Safety Interlock System Service Pre-Cleaner Element and Air CleanerSERVICE DEALER Service Interval After the first 5 hoursService Interval Every 40 hours Note See chart for service intervalsCheck Tire Pressures Check Condition Of BeltsService Interval Every 160 hours Check Spark PlugsChange Fuel Filter Yearly-Replace gearbox greaseAdjustments Adjusting the Cutting HeightThread Locking Adhesives Mobil HTS Grease Or Food-Grade Anti-seizeCutting AxleNumber Of Spacers HeightAdjusting the Axle Position Adjusting the Number of Spacers below Caster Support Hub Adjusting the Cutting Height with Blade SpacersTransmission Belt Adjustment 3. Place the drive levers in the “park brake” position48 inch Deck Shown for Reference Only Wheel Drive Belt Pulley ScrapersEngine to Mower Deck Belt Blade Brake Adjustment Belt Guide AdjustmentBrake and Wheel Drive Linkage Adjustment Shifter Lever Adjustment Right Side of Unit ShownHandle Height Adjustment Shifter Detent AdjustmentPTO Safety Switch Adjustment Wheel Drive Spring Tension Adjustment Upper HandleUpper Hole More traction applied asCleaning Clean Engine and Exhaust System AreaClean Debris From Machine Remove Engine Shrouds and Clean Cooling FinsTroubleshooting TroubleshootingCutting blades is/are bent or unbalanced Schematics SchematicsExmark Commercial Turf Equipment 2 Year Limited WarrantyInstructions for Obtaining Warranty Service Owner’s ResponsibilitiesPage SEE EXMARK’S COMPLETE LINE OF ACCESSORIES AND OPTIONS MID-MOUNT RIDING ACCESSORIES AND OPTIONSOUT-FRONT RIDING ACCESSORIES AND OPTIONS WALK-BEHIND ACCESSORIES AND OPTIONS