MAINTENANCE
7-69
Air Bleeding Procedures
IMPORTANT: Air in the fuel system may make the engine
hard to start or make it run irregularly.
After draining water and sediment from
the fuel filter, replacing the fuel filter or
running the fuel tank dry, be sure to bleed
the air from the fuel system.
d
WARNING: Fuel leaks may lead to fires.
1. Check fuel cock (5) under the fuel pre-filter is opened.
2. Loosen air bleed plug (2) on fuel main filter (3).
3. Supply fuel by reciprocating priming pump (6). After no
air bubbles are spouted through air bleed plug (2), lock
priming pump (6).
4. Supply fuel by reciprocating priming pump (1) of main
filter (3), bleed the remained air.
5. Tighten air bleed plug (2) of main filter (3)
d
CAUTION: Bleed air from main filter (3) one by one.
IMPORTANT: Over tightening air bleed plug (2) causes
damage.
6. Tighten reciprocating priming pump (1) of main filter (3).
7. Supply fuel by reciprocating priming pump (6) of fuel
feed pump.
8. Wipe off any spilled fuel.
9. Start the engine. Check that no fuel leaks are present. If
the engine does not start, repeat the above procedures
from step 1.
Wrench size: 10 mm
Air Bleeding by Cranking
Bleed air from the fuel system after changing the common
rail.
Bleeding Procedures
1. Bleed air until the engine supply pump entrance enough
according to the above-mentioned procedures.
2. Operate starter motor for long cranking within 20
seconds. If engine falls to start, return key switch to OFF.
Wait more than about 60 seconds, then try again.
M1J1-07-054
6
M1J1-07-062
M1J1-07-063
1
2
3
1
3
1
3
5
ZX450LC
-3
, 850LC
-3
ZX650LC
-3
M1J7-07-052
5
Содержание ZAXIS 450LC-3
Страница 1: ...Serial No 020001 and up Hydraulic Excavator PART NO EM1J3 NA1 2 450LC 3 650LC 3 850LC 3 ...
Страница 2: ... ...
Страница 4: ......
Страница 45: ...SAFETY SIGNS S 33 SS 862 SS 863 SS 859 1 2 3 ...
Страница 46: ...SAFETY SIGNS S 34 SS3106039 SS3092349 SS 408 4 5 6 ...
Страница 48: ...SAFETY SIGNS S 36 SS 024 SS 710 SS3089713 10 11 12 ...
Страница 136: ...OPERATOR S STATION 1 88 MEMO ...
Страница 138: ...BREAK IN 2 MEMO ...
Страница 150: ...OPERATING THE ENGINE 3 12 MEMO ...
Страница 270: ...TRANSPORTING 6 78 MEMO ...
Страница 406: ...MAINTENANCE 7 136 M1J1 07 083 33 Retighten air compressor mounting bolts ...
Страница 408: ...MAINTENANCE 7 138 MEMO ...
Страница 410: ...MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS 9 MEMO ...
Страница 438: ...SPECIFICATIONS 12 14 MEMO ...
Страница 470: ...OPTIONAL ATTACHMENTS AND DEVICES 13 32 MEMO ...
Страница 474: ...INDEX 14 MEMO ...
Страница 476: ...URL http www hitachi c m com This book is printed on recycled paper PRINTED IN JAPAN E 2011 12 ...