Hitachi ZAXIS 30U-5N User Manual

MAINTENANCE
7-36
Drain Hydraulic Oil Tank Sump
--- every 250 hours
d
CAUTION: Hydraulic oil may be hot just after
operation. Wait for oil to cool before starting work.
1. Parkthemachinefollowingthesameproceduresas
describedonpage7-6forpreparationforinspectionand
maintenance.
2. Leave the machine without operating the machine until
hydraulic oil becomes cool. Then, bleed air pressure from
thehydraulicoiltank.
ZX30U-5N,35U-5N,50U-5N
3. Slowlyloosendrainplug(1)onthebottomofthe
hydraulicoiltanktodrainwaterandsediment.
ZX60USB-5N
3. Loosenbolts(2)ofdrainvalvecover(3).Rotatedrain
valvecover(3)toopenthecheckingport.Slowlyloosen
drainplug(1)onthebottomofthehydraulicoiltankto
drain water and sediment.
M1M7-05-024
1
MADB-07-012
3
MADC-07-009
MADC-07-010
2
1
1
ZX30U-5N,35U-5N,50U-5N
ZX60USB-5N
ZX60USB-5N

Hitachi ZAXIS 30U-5N Specifications

General

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