Adjustments - Exmark Frontrunner FR25KD Operator's Manual

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4.1.28

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
4.2.2
4.2.3
4.2.4
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.
Dielectric grease is used on blade type electrical connections to prevent corrosion
and loss of contact.
Pump Drive Belt Tension:
Spring Tensioned - No adjustment necessary.
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.
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.
c) To tighten alternator belt, loosen both upper and lower alternator mounting
bolts. Rotate alternator out, away from engine and re-tighten hardware to
secure in place.
d) When properly tensioned, the alternator belt will deflect 1/4"-3/8" (7-9 mm)
while applying 22 pounds of force to the belt midway between alternator
and crankshaft pulley.
Park Brake Adjustment:
Check to make sure each brake is adjusted properly.
a) Stop engine, wait for all moving parts to stop, and remove key. Engage
parking brake.
b) Tilt seat forward and raise hood.
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FIGURE 8
32