Groundsmaster 3500--D Hydraulic System (Rev. D)Page 4 -- 59
Replace Traction Belt
1. Park machine on a level surface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch. Raise hood.
2. Insert nut driver or small piece of pipe onto the end
of the torsion spring of the idler pulley.
CAUTION
Be careful when removing or applying tension
from or to the torsion spring of the idler pulley.
The spring is under heavy load and may cause
personal injury.
3. Push down and forward on the spring end to unhook
the spring from the pump mounting plate.
4. Remove V--belt from the engine flywheel and hy-
drostat pulleys.
5. Install new V--belt onto the engine flywheel and hy-
drostat pulleys.
6. Insert nut driver or small piece of pipe onto the end
of the torsion spring of the idler pulley.
7. Push down and back on the spring end to get the
spring under the pump mounting plate notch. Then re-
lease the spring slowly to lock it into place.
Figure 40
1. Torsion spring
2. Idler pulley
3. Pump mounting plate
4. V--belt
5. Flywheel pulley
6. Hydrostat pulley
1
4
3
2
6
5
Check Hydraulic Lines and Hoses
WARNING
Keep body and hands away from pin hole leaks
or nozzles that eject hydraulic fluid under high
pressure. Use paper or cardboard, not hands, to
search for leaks. Hydraulic fluid escaping under
pressure can have sufficient force to penetrate
the skin and cause serious injury. If fluid is in-
jected into the skin, it must be surgically re-
moved within a few hours by a doctor familiar
with this type of injury. Gangrene may result from
such an injury.
Check hydraulic lines and hoses daily for leaks, kinked
lines, loose mounting supports, wear, loose fittings,
weather deterioration and chemical deterioration. Make
any necessary repairs before operating equipment.
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