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NOTE: When disconnecting a coupler located in a narrow
space that is difficult for your hand to enter, use a screwdriver
following the procedures as described below.
Using Screwdriver
A screwdriver with a tip thickness of less than 1 mm and a
tip width of approx. 5 mm is appropriate to this work.
(1) Slightly push the hose toward the coupler approx. 2
mm.
(2) While pushing the hose toward the coupler, insert a
screwdriver in the position as illustrated to the right.
Twist the screwdriver about 90º. After making the gap
between the adapter and the dust prevention cover
more than 2 mm, pull the hose to disconnect the
coupler.
3. Precautions for Re-using Coupler
(1) Before connecting the coupler, be sure to check the
coupler surface for any adhered foreign matter. Clean
to remove the foreign matter if any. Adhered foreign
matter may cause oil leaks and/or disconnection of
the coupler.
(2) When a hose clamping is required, put a clamp 200
mm away from the joint edge. If the hose is clamped
as illustrated to the right, the coupler joint may slide
as oil pressure changes, causing oil leaks due to the
premature inner parts wear.
(3) Do not use the coupler as a foot step and do not
handle the coupler roughly. If the dust prevention
cover is broken, the coupler may become difficult to
disconnect.
(4) Do not paint on the joint surface. The body will be
seized with the dust prevention cover so that the
coupler cannot be disconnected.
MAINTENANCE
Screwdriver
7-53
Adapter
Dust Prevention Cover
200 mm
M1LA-07-021
M1LA-07-022
M1LA-07-019
M1LA-07-020
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