Hitachi ZAXIS 30U-5N User Manual

MAINTENANCE
7-84
Check Track Sag (Steel Crawler) (Optional)
--- every 50 hours
Swingtheupperstructure90°andlowerthebuckettoraise
thetrackoffthegroundasshown.Measuredistance(A)atthe
middleofthetrackframefromthebottomofthetrackframe
tothebackfaceofthetrackshoe.
Eachtime,besuretoplaceblocksunderthemachineframeto
support the machine.
d
CAUTION: To prevent accidents, care should be taken
to ensure that hands, feet, and any body parts do not
become entangled when working around the tracks.
Model Appropriate sag A (mm)
ZX30U-5N,35U-5N 120to140mm(4.7to5.5in)
ZX50U-5N,60USB-5N 140to160mm(5.5to6.3in)
f
NOTE: Check track sag after thoroughly removing soil stuck
on the track area by washing.
Adjust Track Sag
1. Iftracksagisnotwithinspecifications,loosenortighten
thetrackfollowingtheproceduresshownonthenext
page.
2. Whenadjustingtracksag,lowerthebuckettothe
groundtoraiseonetrackofftheground.Repeatthis
proceduretoraisetheothertrack.Eachtime,besureto
placeblocksunderthemachineframetosupportthe
machine.Topreventaccidents,careshouldbetaken
to ensure that hands, feet, and any body parts do not
becomeentangledwhenworkingaroundthetracks.
3. Afteradjustingbothsidetracksags,rotatethetracks
backwardandforwardtoequalizebothsidetracksags.
4. Recheckthetracksagoncemore.Readjustasnecessary.
M1M7-04-006
A
M588-07-062

Hitachi ZAXIS 30U-5N Specifications

General

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