Exmark Lazer Z XP manual Adjustments

a)Torque the slotted nut to 125 ft-lbs. (169 N-m).

b)Check distance from bottom of slot in nut to inside edge of hole. Two threads (0.1” (.25 cm)) or less should be showing.

c)If more than two threads (0.1” (2.5 mm)) are showing remove nut and install washer (PN 1-523157) between hub and nut.

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.

5.1.26Fuel 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.

5.1.27Thread 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)Engine mount retaining bolts.

e)Stub shaft-to-flywheel retaining bolts.

f)Front engine crankshaft hub retaining bolts.

g)Fuel tank bulkhead fitting threads.

h)Caster wheel spacer nuts.

i)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.

5.1.28Mobil HTS grease (or a food-grade antisieze) is used in the following locations:

a)Between the jackshaft and bearings

b)Between the jackshaft and sheaves.

c)Between the cutter housing spindle and bearings.

d)Between the cutter housing spindle and sheaves.

e)Under top cutter housing bearing guard.

f)On the fan pump shafts and motor shafts next to the seal.

5.1.29Dielectric 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 and remove key before servicing, cleaning or making any adjustments to the unit.

5.2.1Cutting 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 5” (12.7 cm) cutting height position). See Figure 11.

The deck can be raised by pulling the deck lever up and/or by pushing on the deck lift assist lever.

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