Hitachi ZAXIS 30U-5N User Manual

MAINTENANCE
7-28
C. Transmission
Travel Reduction Gear
Check Oil Level --- every 500 hours
1. Parkthemachineonalevelsurface.
2. Rotatethetravelmotoruntiltheplugsarepositionedas
illustrated on the right.
3. Parkthemachinefollowingthesameproceduresas
describedonpage7-6forpreparationforinspectionand
maintenance.
d
WARNING: Keep body and face away from the air
release plug. Gear oil may be hot just after operation.
Wait for gear oil to cool and then gradually loosen the
air release plug to release pressure.
4. After gear oil has cooled, slowly loosen air release plug
(1) to release pressure.
5. Removeairreleaseplug(1)andoillevelcheckplug(2).
Oilmustbeuptothebottomofhole.
6. Ifnecessary,addoiluntiloilflowsoutofoillevelcheck
plug(2)hole.(Seegearoilchart)
7. Cleanandinstallairreleaseplug(1)andoillevelcheck
plug (2).
Model Tightening Torque
ZX30U-5N,
35U-5N
Plug(1)
46to51N·m(4.6to5.1kgf·m,
33to36lbf·ft)
Plug(2)
12to18N·m(1.2to1.8kgf·m,
9to13lbf·ft)
ZX50U-5N,
60USB-5N
Plug(1)
22to24N·m(2.2to2.4kgf·m,
16to17lbf·ft)
Plug(2)
8. Checkthegearoillevelintheothertravelreduction
gear.
1
2
3
1
2
3
M503-07-015
M585-07-080

Hitachi ZAXIS 30U-5N Specifications

General

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