Owner Service; Blocking Method - Oregon 480RT Original Instruction Manual

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OWNER SERVICE

Owner Service
The information in this section is written for operators who
possess basic mechanical skills. If you need help, your
dealer has trained service technicians available. For your
protection, read and follow the safety information in this
manual.
WARNING
• Keep all persons away from operator control
area while performing adjustments, service, or
maintenance.
• Make sure shields and guards are properly installed
and in good condition. Replace if damaged.
• Make sure all safety decals are installed. Replace if
damaged. (See Safety Decals section for location.)
• Never go underneath equipment (lowered to the
ground or raised) unless it is properly blocked and
secured. Never place any part of the body underneath
equipment or between moveable parts even when the
engine has been turned off. Hydraulic system leak
down, hydraulic system failures, mechanical failures,
or movement of control levers can cause equipment to
drop or rotate unexpectedly and cause severe injury
or death. Follow Operator's Manual instructions for
working underneath and blocking requirements or
have work done by a qualified dealer.
• Before performing any service or maintenance,
disconnect driveline from tractor PTO.
• Before dismounting power unit or performing any
service or maintenance, follow these steps: disengage
power to equipment, lower the 3-point hitch and all
raised components to the ground, operate valve levers
to release any hydraulic pressure, set parking brake,
stop engine, remove key, and unfasten seat belt.
• Do not allow bystanders in the area when operating,
attaching, removing, assembling, or servicing
equipment.
• Never perform service or maintenance with engine
running.
• Do not modify or alter or permit anyone else to modify
or alter the equipment or any of its components in any
way.
18
CAUTION
• If you do not understand any part of this manual and
need assistance, see your dealer.
• Always wear relatively tight and belted clothing to
avoid getting caught in moving parts. Wear sturdy,
rough-soled work shoes and protective equipment for
eyes, hair, hands, hearing, and head; and respirator or
filter mask where appropriate.

Blocking Method

To minimize the potential hazards of working underneath
the tiller, follow these procedures.
1. Jack stands with a load rating of 500 lbs or more are
the only approved blocking device for this tiller. Install a
minimum of two jack stands under the tiller, while tiller
is still attached to tractor 3-point hitch, before working
underneath it.
2. Consider the overall stability of the blocked unit. Just
placing jack stands underneath will not ensure your
safety.
The working surface must be level and solid to support
the weight on the jack stands. Make sure the jack stands
are stable, both top and bottom. Make sure the tiller is
approximately level.
3. With the full weight of the tiller on the jack stands, test
blocking stability before working underneath.
4. Set the brakes and remove key before working
underneath.
5. Securely block rear tractor wheels, in front and behind.
Tighten tractor lower 3-point arm anti-sway devices to
prevent side-to-side movement.
Regular preventive maintenance and immediate repair of
broken or worn parts will ensure maximum efficiency and
long life.
Because of the nature of the jobs the rotary tiller does,
the tiller is constantly vibrating and shaking. Parts may
become loose during use. One of the most important
functions an operator can perform is observing and
inspecting the equipment for loose or worn parts to
prevent further damage or excessive downtime.

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600rt720rtOr60rt-1Or48rt-1

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