BOOM
7
5
BOOM
5G0AX001
Spontaneous drop of the boom cylinder is too large.
1. Is the spontaneous drop of the boom cylinder within
specs?
“2. Service data, Performance criteria”
2. Check for leak inside the boom cylinder.
“Boom cylinder operation is slow or lacks force,
5. Check the boom cylinder”
3. Test by replacing the port relief valve.
“The boom cylinder does not move, 4. Test by
replacing the port relief valve”
1
Is the spontaneous drop
of the boom cylinder with-
in specs?
Within specs
Normal
Out-of-specs
2
Check for leak inside the
boom cylinder.
Faulty
Repair or replace the boom
cylinder.
Normal
3
Test by replacing the port
relief valve.
Problem solved
The port relief valve is
faulty.
Repair or replace the port re-
lief valve.
No change
Oil leak inside the control
valve.
Faulty
Replace the housing block.
Summary of Contents for TB215R
Page 1: ...CC8E005 WETB215R_A XI Seral No 215000003...
Page 3: ...SAFETY 1...
Page 13: ...SERVICE DATA 2...
Page 16: ...SERVICE DATA DIMENSIONAL DRAWING 3 2 DIMENSIONAL DRAWING 2A0AX001 Operating range 2A0AX02...
Page 53: ...SERVICE DATA WIRE HARNESS DIAGRAM 2 2 WIRE HARNESS DIAGRAM 2H0AX00 Body harness 03342 68000...
Page 54: ...SERVICE DATA WIRE HARNESS DIAGRAM 3 2 WIRE HARNESS DIAGRAM 2H0AX00...
Page 55: ...SERVICE DATA WIRE HARNESS DIAGRAM 4 2 WIRE HARNESS DIAGRAM 2H0AX00...
Page 56: ...SERVICE DATA WIRE HARNESS DIAGRAM 5 2 WIRE HARNESS DIAGRAM 2H0AX00...
Page 57: ...SERVICE DATA WIRE HARNESS DIAGRAM 6 2 WIRE HARNESS DIAGRAM 2H0AX00...
Page 58: ...FUNCTION 3...
Page 88: ...DISASSEMBLY AND ASSEMBLY 4...
Page 125: ...DISASSEMBLY AND ASSEMBLY OPERATING DEVICE 6 4 OPERATING DEVICE 4F0AX00 Hydraulic piping...
Page 230: ......
Page 232: ...TROUBLESHOOTING 5...
Page 287: ...Other 6...