Exmark 850 Thread Locking Adhesives, Mobil HTS Grease Or Food-Grade Anti-seize, Dielectric Grease

Maintenance

9.Reinstall upper case half and fasten in place with six bolts previously removed.

10.Reinstall all parts removed in steps 3 and 4. Install drive belt and adjust tension as stated in the Transmission Belt Adjustment section.

Thread Locking Adhesives

Thread locking adhesives such as “Loctite 242” or “Fel-Pro, Pro-Lock Nut Type” are used on the following fasteners:

•All belt drive pulley setscrews.

•OPC lever setscrews.

•Pulley retaining bolt in end of engine crankshaft.

•Fuel tank bulkhead fitting threads

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.

Copper-Based Anti-seize

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

•Between the blade drive and transmission drive pulleys and engine crankshaft.

•Between the transmission drive pulley and transmission drive shaft.

•Between the bearings and sheaves and transmission output shafts.

Dielectric Grease

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

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