Maintenance
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
•Between the cutter housing spindle and bearings.
•Between the cutter housing spindle and sheave.
•Under top cutter housing bearing guard.
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
Copper-Based Anti-seize
•On threads of Blade Bolts. See Check Mower Blades section.
•Between engine crankshaft and pump and blade drive sheaves.
•On clutch arm assembly between bearings and shaft and between lower sheave and shaft.
•Between pump shafts and sheaves.
Dielectric Grease
Dielectric grease is used on all blade type electrical connections to prevent corrosion and loss of contact.
PTO Clutching Belt Tension
See Inspect PTO Clutching Belt Tension section.
Deck Belt Tension
Park 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.
Hydro Drive Linkage
Adjustment
•Adjust Speed Control Linkage and Neutral Safety Switch:
1.Stop engine and wait for all moving parts to stop. Engage parking brake. Remove key or spark plug wire(s).
2.Move the speed control lever (located on the console) to the full forward position and check the orientation of the tabs on the ends of the speed control crank (see Figure 16). These tabs should be pointing straight down at the 6 o’clock position or slightly forward. Adjust the threaded yoke at the bottom of the
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