PDF Operation Manual Hyundai Rolex R22 7 Mini Excavator - 527 KB
Learn to operate your Hyundai Rolex R22-7 Mini Excavator safely and effectively with this complete operation manual.
It provides detailed information about the controls, instruments, and recommended maintenance schedules.
Following the manufacturer's guidelines will help you maximize performance and prevent premature wear.
This manual is a vital resource for both novice and seasoned operators.
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OPERATION MANUAL
SER. NO. HY2270001~
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SAFETY PRECAUTIONARY NOTES BEFORE START
!DANGER
Signal before start.
Before starting the engine, travelling or swivelling,
always signal to other workers, using the horn etc.
!WARNING
Pay attention to the ventilation.
For indoor work or work in tunnel, ventilate suffi-
ciently to prevent carbon monoxide poisoning from
the exhaust.
CAUTION
!
Warm-up
Before starting, always warm up the machine.
!WARNING
Prestart inspections
Do prestart inspections If you find any wrong point,
you should repair the machine immediately. Using
the machine having a trouble cause an accident.
Refer to "Inspections" on page 48.
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SAFETY PRECAUTIONS DURING INSPECTION AND MAINTENANCE
!WARNING
Take care about high-pressure grease
• The grease cylinder adjusting the track tension is
prepacked with grease with the result that the
grease may be of high pressure.
In this status, if the plug is loosened carelessly,
the plug and grease may spring out, inviting
danger.
• When reducing the pressure by turning the car-
tridge valve (lubrication valve), do not turn the
valve more than one turn.
Do not face the worker's body to the front side of
the cartridge valve or bring the face close to it.
• Do not disassemble the recoil spring, otherwise
it may lead to a serious accident resulting in
injury or death.
!WARNING
Prevention against the danger of fire or
explosion
• Take care when handling combustible materials
such as fuel, oil, and antifreeze etc.
If fuel leaks onto electric system parts, this may
result in ignition.
• Perform fuel supply and oil supply outdoors and
keep fire and a light away.- If fuel, oil, or any other
combustible solution spills out onto a machine,
remove it at once.
• Do not heat a fuel tank and a hydraulic device or
bring fire near them, otherwise ignition may be
caused.
• Put each of fuel and oil in a proper container and
store it in a safe place that does not allow any
person other than persons concerned to touch it.
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EXPLANATION OF EACH DEVICE
Manual boom lowering lever
Incorporated in the boom circuit is a manual lowering
valve, this valve allows the boom to be lowered
should the engine or hydraulics fail.
1. Lower the boom
2. Normal position.
1
2
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OPERATIONAL PRECAUTIONS
OPERATING THE RUBBER CRAWLER
Do not Travel or Turn on a Sharp Edge or Stepped Grade.
If you travel or turn on a projecting edge or a stepped grade, the machine will put an
extra load on the rubber crawler causing it to split or cut the treads of the rubber crawler
and the inner steel cord.
Prevent Foreign Matter from Entering the Rubber Crawler
Foreign matter will strain the crawler and cut it.
Make sharp Turns
Do not turn sharply on road with a high-friction factor such as a concrete road.
Keep Oil Products Away from the Rubber Crawler
If you spill fuel or hydraulic fluid on the rubber crawler, clean it.
Protection from Salt
Do not operate on a beach. (Core metal will rust due to salt corrosion.)
Attention to indoor Storage
If the machine is not used for a long time, keep it indoors to prevent exposure to direct
sunlight and rain.
! CAUTION
• Be careful to operate the machine with rubber shoes.
• Rubber shoe isn't more stable than steel because of its flexibility.
! WARNING
Even a rubber shoe is easy to slip on frozen or snow surface. Be careful to
travel and work under its condition.
! CAUTION
• Driving and slewing on a projecting edge or so cause slacking a rubber
shoe to be apt to remove it or cut the inner steel code.
• Driving and slewing with trackroller banked against the rubber shoe is
apt to remove the rubber shoe.
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INSPECTIONS
Do the following inspections. Neglecting any of the inspections may result in trouble
with the machine including the hydraulic equipment.
Prestart Inspections
Check the following items before operation everyday.
! CAUTION
• For inspection, always park the machine on level ground.
• Keep other persons away from the machine while inspecting it.
• Before inspection and maintenance, be sure to stop the engine.
1. Checking the amount of oil in the engine oil pan.
Pull out the dipstick Wipe the oil off the dipstick
using a cloth and insert it again.
If the oil amount is insufficient, add engine oil
through the oil port.
IMPORTANT
Use high-quality engine oil. It is recommended to Dipstick
use the following engine oils.
Engine oil port
Engine oil SAE10W-30
Capacity MAX. 3.5
! WARNING
• Do not inspect engine oil level after stopping the engine immediately.
Engine oil is so hot that it is dangerous and it takes 30 minutes that the
engine oil thoroughly flows down the crankcase. Inspect it before
working or after 30 minutes after the engine has stopped.
• Take care not to add too much engine oil.
• Check that the engine oil level 30 minutes after replenishment.
IMPORTANT
Also check the sample oil on the dipstick for fouling and degrees of
viscosity.
! CAUTION
In adding oil, take care not to spill it. If you spill oil, wipe it properly, or this
could lead to fire and the risk of personal injury and equipment damage.
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MAINTENANCE EVERY 500 SERVICE HOURS
1. Replacing the fuel filter element
You can take out the element by closing the cock
and removing the retainer ring.
Replace it with new one.
! CAUTION
O ring must be replaced with new one in this time.
After replacing the element, bleed air. Fuel filter
For details refer to page 64.
2. Replacing cooling water in radiator
Remove the drain plug on radiator to replace the
cooling water.
5.6 Drain plug
3. Cleaning the suction filter
Remove the suction filter from the hydraulic oil
tank. Clean the filter with diesel fuel or kerosene Suction filter
to remove the dirt. If the strainer is broken,
replace it with new one.
IMPORTANT
To reinstall the lid, set the O-ring securely into the
flange groove in order to prevent a leak of hydrau-
lic oil.
! CAUTION
Do not perform this operation while the hydraulic
oil is still hot to avoid being burned.
4. Replacing the line filter element
Remove the filter with a filter wrench and replace
it with new one. Line filter
IMPORTANT
Before replacing the filter, be sure to open the
hydraulic oil tank to bleed the filter.
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PERIODICAL INSPECTIONS AND MAINTENANCE LIST
○Inspect, Add, Adjust, Grease △Clean ◎Replace
Period Check First First Every Every Every Every Every Every
before 50 100 50 100 250 500 1000 2000 Remarks Refer to
Item start-up hours hours hours hours hours hours hours hours
Inspecting
the bolt and
nut for
tightness
Inspecting
and greasing
the attach-
ment pins
Check for
loose parts
and dama-
ged parts
Greasing the
Attachment
slew bearing
gear
Inspecting
the crawler
tension
(grease
cylinder)
Inspecting
and greasing
the lower
roller
Replacing
the lubricant
for the craw- First 500
ler drive unit hours
reduction
gears
Inspecting
the joint for
looseness
and oil leaks
Hydraulic system
Supplying or ＊Drain wa-
replacing the * ter and
hydraulic oil sediment
Replacing
the line filter
element
Cleaning or
replacing the
suction filter
Check wiring
for non-
connection
short circuit,
Elecric system
loose con-
nections
Inspecting
the electrical
parts
Inspecting
the battery
fluid level
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