GB - 17
.
4. Replace the mower blades.
IMPORTANT: Ensure that all mower blades
are mounted with the same number of
spacers.
Moving the Unit Manually
IMPORTANT: Transmission damage may
occur if the unit is moved or towed incorrectly.
• Move unit by hand only.
• Do not use another vehicle to move
unit.
• Do not tow unit.
1. Park unit safely. See Using the Parking
Brake on page 13.
2. Turn bypass valves (A) one full turn
counterclockwise (open position).
3. Release parking brake.
4. Push unit to desired location.
NOTE: Due to internal hydraulic system
resistance, the unit will move slowly.
5. Turn bypass valves one full turn
clockwise (closed position). Tighten
valve to 100 lbf-in (11 N•m).
6. Engage parking brake.
Transporting Unit
ALWAYS shut off engine and remove key
when transporting unit on a truck or trailer.
Use extra care when loading or unloading
unit.
Servicing
IMPORTANT: Operating in extreme
conditions may require more frequent service
intervals:
• Engine components may become dirty
or plugged when operating in extreme
dust or other severe conditions.
• Engine oil and spark plugs may lose
efficiency if vehicle is operated
constantly at slow or low engine
speeds or with frequent short trips.
Refer to the following timetables to perform
routine maintenance on your unit.
Break-In (After First 8 Hours of
Operation)
• Change engine oil and filter.
• Check drive belt tension.
• Check transmission neutral
adjustment.
• Check wheel nut torque.
• Check and adjust (as needed) parking
brake.
• Remove debris from the underside of
the mower deck.
Every 25 Hours or Weekly (Whichever
Comes First)
• Apply grease to front caster wheels.
• Apply grease to front caster wheel
spindles.
• Remove debris from the underside of
the mower deck.
Every 50 Hours or Weekly (Whichever
Comes First)
• Change engine oil and filter. (See
engine manual).
Desired Cut
Height –
In. (mm)
Number of
Spacers on
Spindle
Blade Bolt
4.5 (114) 2 Standard
4.75 (121) 1 Short
5.0 (127) 0 Short
CAUTION: With the bypass valves
open, the unit will have unrestricted
motion if the parking brake is not
set.
• The unit may free-wheel out
of control if the bypass valve
is opened with the unit on an
incline.
• Park the unit on a level
surface and set the parking
brake before opening the
bypass valve.
CAUTION: Avoid injury! Use extra
care when loading or unloading the
unit into a trailer or truck.
MAINTENANCE
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