OPERATING THE MACHINE
5-21
7. Do not allow the breaker chisel to come in contact
with the boom when rolling in the arm and the
breaker.
8. Change hydraulic oil and replace the full flow filter
element at regular intervals. Hydraulic breaker opera-
tion subjects hydraulic oil to become contaminated
and/or deteriorated more quickly than bucket opera-
tion. Failure to perform proper maintenance of hy-
draulic oil may cause the base machine and/or the
breaker to malfunction. Be sure to change hydraulic
oil and replace the full flow filter element at the inter-
vals shown in the table below, especially to extend
the service life of the hydraulic pump. (Refer to the
Hdraulic System group in the Maintenance Section.)
Hydraulic Oil change and Full Flow Filter Element
Replacement Intervals (Hours)
M1M7-05-027
9. Greasing Front Attachment
When using a hydraulic breaker, grease all lubrication
points on the front attachment every 50 hours of op-
eration.
M1M7-05-023
100%
Hours to Replace
Element
Avera
ge Br
eaker
O
peratin
g Av
ai
la
bi
lit
y
Hours to Replace
Hydraulic Oil
Excavator Operating Hours
80%
60%
40%
20%
0%
0 1500
2000
1000
500
Watch Out!
Take care not to hit the
boom with the breaker
Summary of Contents for ZX27U-2
Page 1: ......
Page 8: ...CONTENTS MEMO ...
Page 10: ...MACHINE NUMBERS MEMO ...
Page 44: ...SAFETY SIGNS S 34 SS 259 SS 2684 SS 2652 SS 024 SS 2639 SS3090482 M1M7 07 021 CANOPY CAB ...
Page 50: ...SAFETY SIGNS S 40 MEMO ...
Page 65: ...OPERATOR S STATION 1 15 RADIO Cab Equipped Machines 1 Radio Clock M1M7 01 004 1 ...
Page 74: ...BREAK IN 2 2 MEMO ...
Page 120: ...TRANSPORTING 6 6 MEMO ...
Page 133: ...MAINTENANCE 7 13 6 Swing cylinder 7 Swing post M1M7 07 023 M1M7 07 024 ...
Page 196: ...MAINTENANCE 7 76 MEMO ...
Page 200: ...MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS 9 2 MEMO ...
Page 224: ...SPECIFICATIONS 12 20 MEMO ...
Page 226: ...REFERENCE 13 2 MEMO ...
Page 230: ...INDEX 14 4 MEMO ...