Thread Locking Adhesives; Mobil Hts Grease (Or Food-Grade Anti-Seize); Copper-Based Anti-Seize; Dielectric Grease - Exmark Laser Z XS Operator's Manual

WARNING
Engine compartment contains open belt
drives, fans, and other rotating components
that can cause injury. Fingers, hands, loose
clothing, or jewelry can get caught by the
rotating fan and drive shaft.
• Do Not operate machine without the
covers in place.
• Keep fingers, hands, and clothing clear of
rotating components.
• Shut off engine, wait for moving parts to
stop, engage parking brake and remove
key, before performing maintenance.
6. With the cap off the radiator, tilt hood closed and
put the seat down. Start the engine as stated in
the Operating Instructions Section. Return the
seat up and hood forward to the open position.
7. Operate engine until the engine thermostat opens
and coolant is circulating through the radiator
core. As air is purged from the engine block and
the coolant level drops, add additional coolant to
the radiator.
8. When the radiator is completely full and no
additional coolant can be added, continue running
and install the radiator cap. Make sure that the
cap is completely seated by pressing down firmly
while turning until the cap stops. Once the cap is
installed, the engine may be stopped.
Fuel Tank — Mounting
Hardware Specifications
Service Interval: As required
When installing the nuts on the fuel tank studs, fully
tighten the nyloc nut and back off 1/2 turn. This
allows for normal fuel tank expansion and contraction
with changes in temperature and fuel levels.

Thread Locking Adhesives

Thread locking adhesives such as "Loctite 242"
or "Fel-Pro, Pro-Lock Nut Type" are used on the
following fasteners:
• Pump drive sheave set screws.
• Square head setscrews on Hydro pump control
arms.
• Sheave retaining bolt in the end of engine
crankshaft.
• Caster wheel spacer nuts.
• Fuel tank bulkhead fitting nuts.
• Bolts retaining stub shaft to engine flywheel.
Adhesives such as "Loctite RC/609 or RC/680" or
"Fel-Pro Pro-Lock Retaining I or Retaining II" are
used on the following:
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.
• Between the jackshaft and bearings and the
jackshaft and sheaves.

Copper-Based Anti-seize

Copper-based anti-seize is used in the following
locations:
On threads of Blade Bolts See Check Mower Blades
section.

Dielectric Grease

Dielectric grease is used on all blade type electrical
connections to prevent corrosion and loss of contact.
37
Maintenance