OPTIONAL ATTACHMENTS AND DEVICES
13-7
COUNTERWEIGHT INSTALLATION
IMPORTANT: This machine is equipped with 2 shutoff
valves for the counterweight removal/
install system. Refer to the shutoff valve
orientation table for proper shutoff valve
settings.
Shutoff Valve Orientation Table
NORMAL
WORKING
COUNTERWEIGHT
OPERATION
COUNTERWEIGHT
REMOVED
VALVE 1
( To Hyd Cyl Head)
OPEN
OPEN
CLOSE
VALVE 2 (To Tank)
OPEN
CLOSE
OPEN
f
NOTE: Counterweight installation procedure must be
performed with machine located on a level surface.
1. Park the machine on a level surface.
2. Rotate upperstructure 90° with front attachment on the
ground.
3. Turn the auto-idle switch off.
IMPORTANT: The turbocharger may be damaged if the
engine is not properly shut down.
4. Run the engine at slow idle speed without load for five
minutes.
d
CAUTION: Avoid personal injury from unexpected
counterweight movement. DO NOT go directly
under machine counterweight to remove or install
counterweight covers or hardware. Enter the work
area only from either SIDE of counterweight.
IMPORTANT: Do not attempt to remove or install
counterweight with the side flame
(track gauge) in the narrow (transport)
position. Before removing or installing the
counterweight, the side flame (track gauge)
must be widened to the work position. To
change the side flame (track gauge), see
procedure in this section.
5. Stop the engine.
6. Pull the pilot control shut-off lever to the LOCK position.
7. Open the engine hood.
8. Remove bolts (1) to remove counterweight top cover
plate (2). Remove both machine mainframe bottom
access covers.
9. Remove lift cylinder guard (6).
10. Loosen jam nuts and turn handle of shutoff valve 2 (4) to
close line to tank and turn handle of shutoff valve 1 (3) to
open line to hydraulic cylinder head.
11. Start the engine. Run machine with the engine control
dial set to the fully counterclockwise position (slow idle).
12. Lower lift cylinder (5).
3- Shutoff Valve 1 (To Hydraulic Cylinder Head)
4- Shutoff Valve 2 (To Tank)
5- Lift Cylinder
M116-06-029
M1J3-NACW1-001
ZX450LC
-3
M1J3-NACW1-002
ZX650LC
-3
, 850LC
-3
1
2
1
2
6
M1J3-13-003
ZX450LC
-3
M1J3-13-005
3
4
ZX650LC
-3
M1J3-13-006
3
4
ZX850LC
-3
M1J3-13-007
4
3
5
5
5
Summary of Contents for ZAXIS 450LC-3
Page 1: ...Serial No 020001 and up Hydraulic Excavator PART NO EM1J3 NA1 2 450LC 3 650LC 3 850LC 3 ...
Page 2: ... ...
Page 4: ......
Page 45: ...SAFETY SIGNS S 33 SS 862 SS 863 SS 859 1 2 3 ...
Page 46: ...SAFETY SIGNS S 34 SS3106039 SS3092349 SS 408 4 5 6 ...
Page 48: ...SAFETY SIGNS S 36 SS 024 SS 710 SS3089713 10 11 12 ...
Page 136: ...OPERATOR S STATION 1 88 MEMO ...
Page 138: ...BREAK IN 2 MEMO ...
Page 150: ...OPERATING THE ENGINE 3 12 MEMO ...
Page 270: ...TRANSPORTING 6 78 MEMO ...
Page 406: ...MAINTENANCE 7 136 M1J1 07 083 33 Retighten air compressor mounting bolts ...
Page 408: ...MAINTENANCE 7 138 MEMO ...
Page 410: ...MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS 9 MEMO ...
Page 438: ...SPECIFICATIONS 12 14 MEMO ...
Page 470: ...OPTIONAL ATTACHMENTS AND DEVICES 13 32 MEMO ...
Page 474: ...INDEX 14 MEMO ...