Rev. F
Groundsmaster 3500--DHydraulic System (Rev. D) Page 4 -- 58
Replace Hydraulic Oil Filter
The hydraulic system oil filter must be changed initially,
after the first 10 hours of operation, and thereafter every
200 hours of operation or yearly, whichever comes first.
Use a genuine Toro oil filter (Part No. 54--0110) for re-
placement.
IMPORTANT: Use of any other filter may void the
warranty on some components.
1. Position machine on a level surface, lower the cut-
ting units, stop the engine, engage the parking brake
and remove key from ignition switch.
2. Clamp hose leading to the oil filter head from the hy-
draulic tank to prevent draining the hydraulic tank.
3. Clean area around filter mounting surface. Place
drain pan under filter and remove filter. Properly dispose
of filter.
4. Fill the new filter with hydraulic fluid and lubricate fil-
ter gasket.
5. Assure filter mounting surface is clean. Screw filter
on until filter gasket contacts mounting plate. Then tight-
en filter an additional 3/4 turn.
6. Fill hydraulic tank with approximately 6 gallons (22.6
liters) of hydraulic fluid. Refer to C hange Hydraulic
Fluid. Remove clamp from hydraulic hose.
7. Start engine and let run for about two minutes to
purge air from the hydraulic system. Stop the engine,
check for leaks, and re--check hydraulic fluid level.
1. Hydraulic oil filter 2. Rear wheel
Figure 39
2
1
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