4
MAINTENANCE
OIL LEVEL CHECK
The cutters are hydraulically operated, the oil level must be checked at frequent intervals, preferably every
day. Failure to maintain the oil at the proper level results in a drop in pressure and loss of cutting power.
Caution:
Hydraulic oil is highly flammable. Keep away from sparks nd naked flame. Do not smoke.
Caution:
Hydraulic oil may cause inflammation of the eyes and skin . If ingested, it will cause diarrhea and
vomiting.
In case
of eye contact, rinse in clean water for at least 15 minutes and consult a physician. In case of skin
contact, wash thoroughly with soap and water.
In ca
se of ingestion, consult a physician immediately. Do not deliberately induce vomiting.
Adjust stopper and make three or four cuts, noting exactly at what point the rebar is actually breaking.
Pinch a short piece of rebar, stopping just before it breaks off. Unplug unit from power source. With partially
severed rebar in place, tum unit over so that oil-plug; uppermost. (If unit is hot, allow to cool down.) Remove
oil-plug and seal-washer (packing)
CAUTION:
Never remove oil-plug when unit is hot or oil will spurt out. Check that oil is level with bottom of
plug hole (i.e. That pump case is full to the brim). If oil level is too low, top up with 20-weight hydraulic il with
anti-foam and anti-abrasion properties. (ISO viscosity grade ‘G46. E.g. Shell oil tellus 46, mobil oil DTE-25
OR Esso uni power Q46.) After topping up, extract air from system. Gently tilt cutter lengthwise and return it
to a level position. Top up again and tilt in the opposite direction . Repeat this process until all air has been
extracted.
Care:
Cutter can’t function properly if oil contains air bubbles.
Re
place seal washer (packing) and plug. Connect cutter to power source and completely serve rebar. The
hydraulic oil should be changed at least once a year. Sooner if it appears dirty. Unplug unit from power
source. Remove oil plug and packing. Turn cutter over and drain oil into a suitable receptacle. When oil
ceases to drain out, tilt unit to rear so that oil trapped in the piston housing can run out. When housing is
empty, tilt unit in the opposite direction to empty the residue in the pump case.
OIL CHANGE
1.
With drain-hole uppermost, slowly fill the unit with fresh oil. Replace plug and lightly tighten. Connect unit
to power source and advance piston two or three times. Unplug unit and remove oil-plug . Top up oil level
and replace plug.
2.
Finall
y follow procedure for oil level check.
Note:
Dispose of hydraulic oil in accordance with local regulations. Do not pour into the sea, river, lake or
drains.
BOLT TIGHTNESS
Once a week or after every 500 cuts, check the tightness of all bolts, especially those securing the housing
to the cylinder. Loose bolts will result in a loss of power.
CARBON BRUSHES
Inspect the two carbon brushes at least once every two months
Care:
Worn brushes will result in power loss, cause the motor to run hot and irreparably damage the armature’s
commutator.
Disconnect the unit and unscrew both brush caps and pull out the carbon brushed. Replace the brushes if
less than 2.3 inches in length.
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