Maeda MK0003, Руководство по обслуживанию, Страница: 213 / 348

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20.2 REMOVING HYDRAULIC HOSES
1. Disconnect the hydraulic hose between the JIB
RAISING (24) and JIB LOWERING (25) from the
solenoid valve (1).
2. Disconnect the hydraulic hose between MAIN
EXTENSION (22) and MAIN CONTRACTION
(23) and another between JIB EXTENSION (26)
and JIB CONTRACTION (27) from the solenoid
valve (1).
3. Disconnect the hydraulic hose between the JIB
RAISING (30) and JIB LOWERING (31) from the
Jib derricking cylinder.
4. Disconnect the hydraulic hose between the JIB
EXTENSION (32) and JIB CONTRACTION (33)
from the Jib telescoping cylinder.
5. Disconnect the hydraulic hose from clip (38).
Caution
Apply a blanking plug to the disconnected hose
coupling so that no dust will intrude and no
leakage will occur.
6. Remove the set of hose guide (hydraulic hose
with wire harness) from the main boom.
32
33
ホースガイド
Hose guide
Pass the hose
through before
installation.
Pass the hose through the
guide ring of the boom.
Install toward outside. Install toward inside.
Sub raising 2
Sub lowering 2
Contraction
Extension
TB (contraction)
TA (extension)
)
DA (raising)
DB (lowering)
Raising
Lowering
Sub raising 1
Sub raising 1
Install toward
outside.
Main
lowering Main
raising