Adjustments - Exmark Frontrunner Operating Manual

4.1.27 Wheel Hub – lock nut torque specification
Service Interval: After First 100 hrs
When tightening the lock nut on the wheel motor tapered shaft:
a) Torque the lock nut to 125 ft-lbs (169 N-m).
NOTE: Do not use antisieze on wheel hub.
4.1.28 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.
4.1.29 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) Line shaft sheave setscrews.
c) Square head setscrews on Hydro pump control arms.
d) Sheave retaining bolt in the end of engine crankshaft.
e) Caster wheel spacer nuts.
f) Fuel tank bulkhead fitting nuts.
g) Motion control tab retaining bolt.
4.1.30 Dielectric grease is used on blade type electrical connections to prevent corrosion
and loss of contact.

4.2 ADJUSTMENTS

IMPORTANT: Disengage PTO, shut off engine, wait for all moving parts to stop,
remove key, and engage parking brake before servicing, cleaning, or making any
adjustments to the unit.
4.2.1 Pump Drive Belt Tension:
Spring Tensioned - No adjustment necessary.
4.2.2 Pump Drive Belt Replacement:
a) Stop engine, wait for all moving parts to stop, and remove key. Engage
parking brake.
b) Remove pump drive belt.
c) Route new belt onto sheaves as shown in the decal located on the top of
the radiator. See Figure 8.
4.2.3 Alternator belt tension:
a) Stop engine, wait for all moving parts to stop, and remove key. Engage
parking brake.
b) Tilt seat forward and raise hood.
Then every 500 hrs thereafter
FIGURE 8
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