Exmark TT23KAEP Adjustments, Mobil HTS Grease Or Food-Grade Anti-seize, Copper-Based Anti-seize

Maintenance

•Shoulder bolts in ends of speed control crank.

•OPC lever setscrews.

•Electric clutch retaining bolt.

•Pump drive idler pivot bolt.

•Thumb latch screw threads on handles.

•Caster wheel spacer nuts.

•Fuel tank bulkhead fitting nuts.

Adhesives such as “Loctite RC/609 or RC/680” or “Fel-Pro Pro-Lock Retaining I or Retaining II” are used on the following:

•OPC lever hubs and cross-shaft

Note: Care must be used not to bond the bearing, next to each OPC hub, to the cross-shaft which could cause binding of the OPC levers and erratic operation.

•Fuel tank studs, where studs are inserted into tank.

Mobil HTS Grease (Or Food-Grade Anti-seize)

Mobil HTS grease (or food-grade anti-seize) is used in the following locations:

•Between the cutter housing spindle and bearings.

•Between the cutter housing spindle and sheave.

•Under top cutter housing bearing guard.

Copper-Based Anti-seize

Copper-based anti-seize is used in the following locations:

On threads of Blade Bolts Serial Nos. 540,000 and Higher. See Check Mower Blades section for instructions.

Dielectric Grease

Dielectric grease is used on all blade type electrical connections to prevent corrosion and loss of contact.

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.

Deck Leveling

See Adjusting the Cutting Height section in Operation.

Pump Drive Belt Tension

Self-tensioning - No adjustment necessary.

Deck Belt Tension

Self-tensioning - No adjustment necessary.

Blade Drive Belt Tension

Self-tensioning - No adjustment necessary.

Brake Adjustment

1.Shut off engine and wait for all moving parts to stop.

2.Disengage the park brake.

3.Remove the hairpin in the park brake linkage. Turn the linkage in the yoke until there is 3/16 inch (4.8 mm) to 1/4 inch (6.4 mm) clearance between the park brake tire bars and the tires with the park brake disengaged. Re-install the hairpin.

Speed Control Linkage

and Neutral Safety Switch

Adjustment

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Move speed control lever (located on console) to the full forward position and check orientation of tabs on the ends of the speed control crank, see Figure 13. These tabs should be pointing straight down at the 6 o’clock position or slightly forward. Adjust threaded yoke at the bottom of speed

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