Exmark 4500-497 Lawn Mower User Manual


 
Maintenance
Figure 14
1. Loosen jam nut
2. Pump control rod linkage
3. Use wrench to turn double nuts
9. Move the motion control levers to the reverse
position. Return the motion control levers to
neutral. The wheels must stop turning (or slightly
creep in reverse).
10. Stop engine and wait for all moving parts to stop.
Remove jumper wire from wire harness connector
and plug connector into seat switch.
11. Lower from jackstands.
Weight Transfer Spring
Adjustment
Weight transfer springs are assembled from the
factory to apply the maximum amount of weight onto
the drive wheels. This setting provides the greatest
amount of traction. Some conditions may require
the rear wheel lift to be reduced. This can be done
by reducing the amount to weight transfer, which
will increase the amount of weight on the front and
rear casters.
1. Rotate the left motion control arm up and into
the operation position.
2. Locate and loosen the knob under the rear of the
left fender (see Figure 15).
Figure 15
1. Motion control lever 3. Fender knob
2. Left fender
3. Slide the fender forward and twist upward and
outward to remove.
4. To adjust the weight transfer springs, fold
the mower deck and front frame and lock in
service position. See Deck Manual for complete
instructions.
WARNING
Weight transfer springs may have stored
energy. Removing the weight transfer
springs without releasing the stored energy
can cause serious injury.
Fold mower deck and front frame and lock in
service position to remove spring tension and
release stored energy before performing any
maintenance or adjustments on the weight
transfer springs. (See Deck Manual for Deck
Raising instructions).
5. Remove the retaining ring and washer at either
end of the weight transfer spring that retains it to
the transfer bellcrank pins and/or weight transfer
spring anchor pins (see Figure 16).
6. Pull the spring off of front or rear pin and
re-install in the outer hole, to reduce the spring
force. Re-install the washer and retaining ring.
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