Exmark 00 & Higher, 850 manual Shifter Detent Adjustment, PTO Safety Switch Adjustment

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Maintenance

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.)

Figure 26

1.

Upper Handle

3.

Adjustment Holes

2.

Upper Hole

4.

Fuel Tank Support

Note: Adjustment Holes are actually in the side of the fuel tank support.

Wheel Drive Spring Tension Adjustment

It may be necessary to increase wheel drive belt tension under certain operating conditions such as, wet grass, hilly terrain, or while pulling a sulky.

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

2.Disengage neutral lock/park brake latches and release drive levers to lower spring force.

3.Remove the 5/16-18 inch whizlock nut securing the adjustment bolt to the drive wheel shield. Locate bolt assembly in the desired position as follows:

Position A-Normal Conditions

Position B-More Severe

Position C-Most Severe

Note: Lever force is lowest with bolt assembly in Position A and will increase in Positions B and C (see Figure 27).

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Contents Metro California Introduction Contents Safety Alert Symbol SafetySafe Operating Practices TrainingSafety Slope Operation OperationMaintenance and Storage Safety and Instructional Decals 403143 98-5954 103-1623 117-2718 103-5626 Specifications Model NumbersSystems Torque Requirements DimensionsOperation Product OverviewControls Operator Presence Control OPC LeversChoke Control Off-Run SwitchThrottle Control Drive LeversOperating Instructions Pre-StartFor ECS Handles Driving the MachineTransporting Changing GearsTransporting a Unit Recommended Maintenance Schedules MaintenanceCheck Engine Oil Level Check Mower BladesReplacing the Discharge Deflector Check Safety Interlock System Service Air CleanerCheck for Loose Hardware Check Tire Pressures Change Engine OilCheck Condition Of Belts Lubricate Grease FittingsChange Fuel Filter Check Spark PlugsMobil HTS Grease Or Food-Grade Anti-seize Thread Locking AdhesivesCopper-Based Anti-seize Dielectric GreaseAdjusting the Cutting Height AdjustmentsAdjusting the Axle Position Adjusting the Cutting Height with Blade Spacers Adjusting the Number of Spacers below Caster Support HubWheel Drive Belt Pulley Scrapers AdjustmentEngine to Mower Deck Belt Transmission BeltInch Deck Shown for Reference Only Blade Brake Adjustment Brake and Wheel Drive Linkage Adjustment Belt Guide AdjustmentLeft Side Shown Right Side of Unit Shown Shifter Lever AdjustmentPTO Safety Switch Adjustment Shifter Detent AdjustmentHandle Height Adjustment Wheel Drive Spring Tension AdjustmentRemove Engine Shrouds and Clean Cooling Fins Clean Engine and Exhaust System AreaClean Grass Build-Up Under Deck Clean Debris From MachineWaste Disposal Motor Oil DisposalProblem Possible Cause Corrective Action TroubleshootingTroubleshooting Schematics Exmark Commercial Turf Equipment Page Page Date Description of Work Done Service Done By Service RecordThis page may be copied for personal use See EXMARK’S Complete Line of Accessories and Options
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