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TM

4 . P R O D U C T

D E S C R I P T I O N

4-1. Dimensions and Component Parts

Refer to attatched drawing

4-2. Construction and Principle of Operation

The oil filter is composed basically of a body① , a loewr case② , an element③ ,

etc.
As shown in the attached drawing, lower case② is screwed into the body①
and "O"ring⑤ seal makes leak-proof configuration. Filter element③ is plugged
in to the inlet of body. "O"ring④ is also attached to the filter element.
The filter is so designed that the hydraulic oil entering from oil inlet is
fills the inside of the lower case② , filtered as it passes through the filter
element from out side toward the center. The filtered oil is allowed to flow out
from oil outlet.

・ Relief valve (optional)

In response to excessive clogging of the filter element with resultant pressure
loss beyond the preset limit, this valve is opened to let the oil bypass
the filter element and flow out directly from oil outlet, there by protecting
the filter element against damage. The valve has been set to be activated on
a differencial pressure rise of 0.35MPa{3.5kgf/cm }.

Note that the oil filter equipped with a high pressure element (3CH,8CH,25CH)have
the relief valve passage blind plugged so that it has no relief valve.

・ Differential pressure type indicator (optional)

Two types of optional indicators are available. One is a visual type indicator
(I type) whose indication turns red from green when it detects a pressure
difference in filter element that exceeds preset limit between primary pressure
(fluid inlet side) and secondary pressure (fluid outlet side). The other is an
electric contact type visual indicator which is applicable to visual type, too.
(E type) that internal switch is activated.
For high pressure elements, IF-7 or EF-7 indicator (full red indication for
0.7MPa{7kgf/cm }) is used.

The IF-3D/7D OR EF-3D/7D indicators are applicable to micro capacity
(under 100mA), using electric contact type.

※ Ref.attatched [indicator instruction manual].

5 . T R A N S P O R T A T I O N

Caution

* When lifting the oil filter, housing sling with wire rope.
* Wire roping and lifting must be done by qualified persons.
* Be careful not to turn over the oil filter or let it fall from a height.

Avoid danger.

(1) Cover the oil filter to protect against rain in transit.
(2) Do not turn the oil filter over or fall. Do not impart shocks.

Summary of Contents for TM

Page 1: ...ke sure that the user has a copy of this manual at hand for use as an operating guide Taisei Kogyo Co Ltd 6F Imaimitsubishi Bldg 3 53 11 Minamiotsuka Toshima ku Tokyo Japan Phone 81 3 6912 9922 F a x 81 3 6912 5921 No MF015 00 3 APR 28 2012 TM ...

Page 2: ...utions to be taken in case erroneous handling of the product may give rise to a dangerous situation and possibly result in a medium or minor injury or material damage are headed with Caution for particular attention These instructions must be strictly followed to prevent a serious accident that might otherwise occur C O N T E N T S 1 Product Identification 2 2 Model Code Description 2 3 Principal ...

Page 3: ... to Micro capacity application Micro capacity type is not applicable to Standard capacity application You must use the right indicator which is corresponded to the electric capacity 3 PRINCIPAL SPECIFICATIONS Permissible maximum pressure 21 0MPa Applicable fluid Mineral oils Note For phosphate and water glycol based hydraulic oils filters are different in material Service temperature range 0 90 0 ...

Page 4: ...5MPa 3 5kgf cm 2 Note that the oil filter equipped with a high pressure element 3CH 8CH 25CH have the relief valve passage blind plugged so that it has no relief valve Differential pressure type indicator optional Two types of optional indicators are available One is a visual type indicator I type whose indication turns red from green when it detects a pressure difference in filter element that ex...

Page 5: ... are no flammable Ambient temperature 0 80 2 Before connecting pipes make sure of the locations of oil inlet and outlet Be sure that the drain plug of the housing faces down The flow direction of oil is arrow marked on the cover Ascertain that the direction is correct 3 Connect pipes to the filter using care so that the housing is not excessively stressed 4 When setting up pipe joints screw a part...

Page 6: ...ntinued use of a clogged filter element causes the relief valve to open to let contaminants flow out of the oil filter resulting in a malfunctioning system 3 For filter paper elements semiyearly replacement is recommended to maintain their performance regardless of condition 9 2 Replacement Caution Stop the hydraulic unit and ascertain that the filter pressure is zero before replacing the oil filt...

Page 7: ...e In the case of wire gauze filter elements below 25 microns remove surface accumulations mostly by the above method and clean completely by ultrasonic cleaning without fail In the cleaning tank place the top and bottom of the filter element on the vibrator side alternately and clean While it depends on the capacity of the ultrasonic cleaning equipment and the amount of sludge on the element the c...

Page 8: ......

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