Hitachi ZAXIS 30U-5N User Manual

MAINTENANCE
7-37
Change Hydraulic Oil
--- every 1000 hours or 2000 hours
(when using the filter-paper element)
--- every 1500 hours or 3000 hours
(when using the high performance element)
Suction Filter Cleaning
--- when hydraulic oil is changed
d
CAUTION: Hydraulic oil may be hot just after
operation. Wait for oil to cool before starting work.
IMPORTANT:
Hydraulic oil changing intervals differ according
to kind of hydraulic oils, filter elements and
attachments used and breaker operating availability.
(Refer to 7-33, 7-34 pages)
Do not use hydraulic oils other than listed in the
“Brand Names of Recommended Hydraulic Oil“.
1. Parkthemachinefollowingthesameproceduresas
describedonpage7-6forpreparationforinspectionand
maintenance.
2. Openthetankcover.Cleanthetopofthehydraulicoil
tanktokeepdirtoutofthehydraulicsystem.
3. Loosencap(1)toreleasepressurefromthehydraulicoil
tank.
4. Removecover(2).
5. Removeoilusingasuctionpump.Thehydraulicoiltank
capacityuptospecifiedoillevelisapproximatelyA.
Model A
ZX30U-5N,35U-5N 43L(11.4USgal)
ZX50U-5N 66L(17.4USgal)
ZX60USB-5N 107.5L(28.4USgal)
M1M7-05-024
ZX30U-5N,35U-5N
ZX50U-5N,60USB-5N
MADB-00-017
MADB-00-018
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Hitachi ZAXIS 30U-5N Specifications

General

Brand	Hitachi
Model	ZAXIS 30U-5N
Category	Excavators
Language	English