
Note:
For direct tightening, use the fitting body to
follow procedures 1 to 5 when using a
temporary tightening tool, and set the zero
point. Further tighten for 1 and 1/4 turn from
the zero point.
w7s31b-010
Bite type tube fitting_010
Reuse of piping
Bite type fitting can be reused if an inspection
finds no flaw or other damage on the sleeve
surface. Done properly, disassembly and
retightening can be carried out up to five
times or so.
Fitting with parallel pipe threads (O-ring sealing
system)
6j9lyk-001
Fitting with parallel pipe threads (O-ring sealing system)_001
Check to see if the O-ring is properly fitted
to the groove of the main body.
Check to see that the thread part, seat
surface of O-ring port and O-ring are free
from flaws or foreign matter.
Before fitting, apply hydraulic oil or grease
to the O-ring.
For fitting, screw in by hand till the main
body touches the other side lightly, then
tighten securely with a tool such as a
spanner.
1.
2.
3.
4.
Adjustable Elbow
jf65lf-001
Adjustable Elbow_001
Make sure that the positions of the nut,
washer, and O-ring are correct.
If they are in the correct positions, the
washer is pressed into the upper end of
the groove of the main body.
1
2
3
4
jf65lf-002
Adjustable Elbow_002
1
Main body
2
Lock nut
3
Washer
4
O-ring
■
1.
LM331
Hydraulic system
Page 4-12
General instructions
Summary of Contents for LM331
Page 1: ...3 Unit Surround Trim Mower Service Manual Serial No LM331 10001 Ver 1 0...
Page 4: ...LM331 Contents...
Page 10: ...LM331 Safety Page 1 6 Safety Signs and Instruction Signs...
Page 26: ...LM331 Maintenance standards and maintenance Page 3 14 Mower Unit Layout...
Page 74: ...LM331 Hydraulic system Page 4 48 Adjustment...
Page 108: ...LM331 Electrical system Page 5 34 Adjustment...
Page 136: ...LM331 Main body Page 6 28 Inspection and repair of each section...
Page 159: ...Reference LM331 Reference Page 8 15 Electrical Circuit...