MAINTENANCE
7-105
M104-07-067
M107-07-068
Check Track Sag --- every 50 hours
Swing the upperstructure 90° and lower the bucket to raise the
track off the ground as shown.
Keep the angle between the boom and arm 90 to 110° and
position the bucket’s round side on the ground. Place blocks
under the machine frame to support the machine.
Rotate the raised track in reverse two full rotations and then
forward two full rotations.
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.
Track Sag Specifications
Model
A
ZX450LC
-3
390 to 440 mm (15.3 to 17.3 in)
ZX650LC
-3
450 to 500 mm (17.7 to 19.7 in)
ZX850LC
-3
470 to 530 mm (18.5 to 20.9 in)
f
NOTE: Check track sag after thoroughly removing soil stuck
on the track area by washing.
Adjust Track Sag
Precautions for Adjusting 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.
3. After adjusting track sag of both tracks, move the
machine back and forth several times.
4. Check track sag again. If track sag is not within
specifications, repeat adjustment until correct sag is
obtained.
7
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 ...