Adjustments - Exmark Lawn Tractor Operator's Manual

d) Torque the slotted nut to 125 ft. lbs (169 N-M).
e) Then tighten nut until the next set of slots line up with the cross hole in shaft.
f) Replace cotter pin.
NOTE: Do not use antisieze on wheel hub.
5.1.26 Fuel Tank – mounting hardware specification.
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.
5.1.27 Thread locking adhesives such as "Loctite 242" or "Fel-Pro, Pro-Lock Nut Type"
are used on the following fasteners:
a) Pump drive sheave set screws.
b) Square head setscrews on Hydro pump control arms.
c) Sheave retaining bolt in the end of engine crankshaft.
d) Caster wheel spacer nuts
e) Fuel tank bulkhead fitting nuts.
f) Cutter housing spindle nut.
Adhesives such as "Loctite RC/609 or RC/680" or "Fel-Pro Pro-Lock Retaining I
or Retaining II" are used on the following:
a) Fuel tank studs, where studs are inserted into tank.
5.1.28 Mobil HTS grease (or food-grade antisieze) is used in the following locations:
a) Between the cutter housing spindle and bearings.
b) Between the cutter housing spindle and sheave.
c) Under top cutter housing bearing guard.
d) Between jackshaft and bearings and jackshaft and sheaves.
5.1.29 Dielectric grease is used on all blade type electrical connections to prevent
corrosion and loss of contact.

5.2 ADJUSTMENTS

IMPORTANT: Disengage PTO, shut off engine, wait for all moving parts to stop,
and remove key before servicing, cleaning, or making any adjustments to the unit.
5.2.1 Cutting Height Adjustment.
a) Stop machine and move drive levers out to neutral lock position.
b) Disengage PTO.
c) Raise the deck lever to the transport position (also the 4.5" (11.4 cm)
cutting height position). See Figure 9.
The deck can be raised by pulling the deck lever up.
NOTE: When changing cutting height positions, always come to a
complete stop and disengage the PTO.
FIGURE 9
CUTTING HEIGHT POSITION
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