Wright Manufacturing 28551 用户手册

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页码 20
 
 
 
 
9
speed.  Release the parking brake.  The higher 
engine speed will make the controls much more 
responsive and the mower much quicker; Use 
caution if it is your first time.  Now try moving the 
hand control levers, one at a time, very slightly, 
forward and backward.  Gradually increase your 
speed until you are well acquainted with the 
operation of the hand controls and the mower’s 
behavior.  After gaining a good feel for how the 
mower handles, gradually attempt higher engine 
speeds until familiar with operation at full throttle 
engine speed. 
 
How to Stop and Park the Mower 
Come to a complete stop.  If the blades are on, 
turn them off using the switch on the instrument 
panel.  Make sure the control levers are in the 
exact neutral position.
  Set the parking brake, 
reduce the engine speed to idle, shut off the 
ignition switch to stop the engine and then 
remove the key from the ignition switch.  The 
mower is now parked.  Do not leave mower 
unattended on a sloped surface. 
 
Driving the Mower Over a Curb 
To climb a curb, first see the 
section of this manual, especially the parts on: 
 • 
 
Next, raise the mower deck into the highest 
position for. Then drive the mower in reverse at 
a 45 degree angle to the curb (with the left side 
of the mower closest to the curb) until you are 
within an inch or two of the left-rear tire hitting 
the curb.  Stop and then gradually bump into the 
curb with that tire until it is just on top of the 
curb.  If the tire slips even while lurching the 
mower into the curb, then the curb is too high 
and you should use ramps or find another way.  
The mower should still be at a 45 degree angle 
to the curb.  Now, while maintaining the same 
angle to the curb, continue to back up until the 
right-rear tire is close to the curb.  Using the 
same technique lurch the right tire onto the curb.  
After both wheels are on top of the curb, turn the 
mower counterclockwise and back up so the left 
caster wheel comes over and last should be he 
right caster wheel as the mower is twisting to the 
left (counterclockwise).  The technique works 
the best if you try not to drive backwards at a 
near 90 degree angle to the curb but get all of 
the wheels to go over while the mower is moving 
at least a 45 degree angle to the curb.  To drive 
off a curb, first try driving up onto it to make sure 
the curb is not too high.  If the curb is not too 
high, drive the right-front caster off first while 
driving toward the curb at a 45 degree angle (the 
curb should be to your right).  Then, maintain 
that 45 degree angle so the left caster goes 
over, then the right-rear wheel, then the left rear 
wheel.  Do NOT step off the mower during ANY 
maneuver. 
 
    
WARNING
 
 
 
Never drive straight onto or off a curb. 
Never drive straight onto or off a curb.  If you do 
the whole procedure at a very sharp angle it will 
tend to minimize the contact of the mower deck 
with the curb and you will be able to more safely 
control the mower. 
 
Mowing on Varying Terrain 
 section of this 
manual, especially the parts on: 
 • 
 
How to Adjust Neutral 
Neutral refers to the mower movement when the 
engine is set to full throttle, parking brake is off, 
and the control levers are in the neutral position.  
The mower should not move forward or 
backward during this time.  If the mower is 
moving forward or rearward, the neutral setting 
must be adjusted.  The hydraulic pump has a 
Return-to-Neutral (RTN) device built into the 
linkage of the pump.  Before adjusting neutral, it 
is necessary to lift the rear drive wheels off the 
ground using a jack and stands. To make the 
adjustment, loosen the ¼” Allen bolt and rotate 
the RTN device on the pump corresponding to 
the wheel that needs adjustment.  If the right 
wheel turns in the neutral position, then the right 
pump RTN needs to be adjusted.  The RTN 
mechanism should be rotated until the neutral 
position is found and then retighten the ¼” allen 
bolt.  Use care not to over tighten the allen bolt.  
Repeat the procedure on the other pump if 
necessary.