Komatsu PC450-8, Руководство по эксплуатации и техническому обслуживанию

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TRANSPORTATION (high reach demolition equipment fitted)
HIGH REACH DEMOLITION EQUIP-
7-50
19. Open the valves on the pin retract circuit (left and right side of
the demolition first boom) to allow hydraulic pressure to be
applied to the retractable pins.
(C - closed - no power to pin;
D - open - retractable pin will operate)
20. Make sure that personnel are clear from the boom release
pins and start the engine.
21. Operate the "Attachment Rotate" function. Left Hand (LH)
button makes the pins retract, Right Hand (RH) button makes
the pins extend.
CAUTION
Check that the pins are fully retracted before moving the
machine.
22. Carefully lower the first boom section to settle stand B onto
the trailer. Then simultaneously lower the first boom and
reverse the machine away from the demolition equipment, to
disengage the upper pin.
23. Ensure that all exposed bores, pins, hoses and tubes are
thoroughly protected from corrosion and foreign matter.
WARNING
When reversing the machine from the demolition work equip-
ment, make sure that all operators are standing well clear of
the machine and equipment.
Removing the High Reach Demolition Equipment from the trailer
is achieved by following steps above in the reverse order (start
with step 23 and finish with step 1.
CAUTION
Whenever installing work equipment, always complete the installation by purging the hydraulic circuits of
air. Follow the steps in PURGING AIR PROCEDURES (7-41)
c
21
11
12
22b) SLOWLY!
22a) lower boom
B
A