Maeda MC-174CRM, Руководство по эксплуатации, Страница: 204 / 276

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7. Remove the 4 mounting bolts (8) and remove the hydraulic oil
return filter (6) on top of the hydraulic oil tank.
8. Put the new hydraulic oil return filter (6) in place with liquid
packing applied to the packing (7). Secure the hydraulic oil
return filter (6) with the 4 mounting bolts (8).
NOTES
Wipe off the oil completely if spilled.
9. Check the oil level gauge (G) and ensure that oil is sufficient to
reach the level point (red point).
10. After refilling with oil, Set the filler cap (F) and rubber packing to
the filler opening position and tighten the 4 mounting bolts (1)
securely.
11. Use the following procedure for air bleed ing .
(1) Start the engine with piping and hydraulic equipment filled with oil.
Make sure the engine runs at low idle for 10 minutes.
(2) Move the cylinders and winch motor slowly with a crane control lever at low idle speed.
Always stop the boom derricking cylinder and telescoping cylinder approx. 100mm back from the
stroke end when operating the cylinders.
Repeat this task 4 to 5 times.
(3) Allow all the outriggers to be extended, referring to “Operation 2.13 Outrigger Set Up Operation”.
Extend and retract the outrigger cylinder, keeping the machine down on the ground.
Always stop the outrigger cylinder approx. 100mm back from the stroke end when operating the
cylinder.
Repeat this task 4 to 5 times.