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Return Filter
from Sumitomo SH250-5 SH250-5LR Hydraulic Excavator Service Repair Manual WLSM2105-00W - PDF DOWNLOAD
Caution ・ Be careful to keep dirt, water, sand, and all other foreign matter out of the tank. ・ When replacing the hydraulic oil, always replace with new oil.
Items to prepare •Wrench (17 mm) •Rag •Cleaning fluid
[1] Press the air breather button (1) on top of the hydraulic oil tank to release the pressure inside the tank.
[2] Use a wrench (17 mm) to remove the 4 bolts (2), and then remove the cover (3). •There is a spring inside the cover, so restrain the spring by hand and remove the cover.
1 Air breather button 2 Bolt 3 Cover
[3] Remove the O-ring (4).
Take the spring (5) and valve (6) out from the tank.
[4] Take the return filter (7) out from the tank and replace it. •If the O-ring on the rear of the cover is worn or damaged, replace it. •To install, perform the reverse of the removal procedure.
4 O-ring 5 Spring 6 Valve 7 Return filter