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8. Routine Maintenance
8.1 Maintenance Intervals
Item
Check hoses and fittings for leaks.
Check cutting teeth for wear. Rotate or replace
cutting teeth as necessary.
Lubricate pivot point grease fittings.
Check rotor bearings for side-to-side and up/
down movement. Replace bearing if movement
is found.
Change engine oil filter.
Change engine air filter.
Change engine oil and filter.
Change hydraulic oil filter.
Change hydraulic oil and filter.
^
WARNING
Moving parts can crush and cut.
Keep clear of moving components.
Lockout operating engine controls before
performing inspections or maintenance.
^
WARNING
Prevent serious injury or death.
Wear proper protective equipment
appropriate for the job.
8.2 Inspections
Check hydraulic hoses and fittings daily for leaks. Replace
worn or damaged parts.
Inspect the unit for any damage. Repair or replace parts as
needed.
Daily
Every
Every
Before
4
30
Use
Hours
Hours
●
●
●
8.3 Rotate Cutting Teeth
Check cutting teeth every 4 hours of use. Keep cutting teeth in
good condition. Unit will cut faster and remaining teeth will last
longer if broken or worn teeth are replaced.
Each tooth can be rotated up to two times from its original
position before replacement is necessary.
1. Park stump grinder on a level surface.
2. Lower rotor to the ground.
3. Shut off engine and lockout engine controls.
4. Inspect teeth for wear on top edge. Once top edge is
worn, rotate tooth so a new edge is on top (cutting) edge.
Every
Every
Weekly
100
200
Hours
Hours
●
●
●
●
HOLT HGW30 Stump Grinder
Operator's Manual
Every
Every
500
2000
Hours
Hours
●
●
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