27
GENERAL
This section contains Troubleshooting information
in table form which should be used when problems
occur with machine. The table lists problems
encountered, possible causes, and solutions for
problems along with reference to section of manual
where detailed instructions may be found to correct
problems.
OPERATIONAL TROUBLESHOOTING
For suggestions on correcting problems with bore
conditions or with honing operation; consult
Table 5-1
.
WARNING
An arc flash hazard exists. follow safe work practices
and wear appropriate personal protective equipment.
Follow proper lockout / tagout procedures.
Failure to
comply can result in death or injury.
SECTION 5
TROUBLESHOOTING
PROBLEM
PROBABLE CAUSE
SOLUTIONS
SEC.
Stone not cutting
1. Stone Glazing
A. Dress stone
(Honing Dial
B. Increase cutting pressure
Needle moves
C. Increase stroking speed
too slowly
D. Use softer stone
E. Check coolant*
4
2. Stone Loading
A. Dress stone
B. Increase stroking speed
C. Use softer stone
D. Use coarser stone
E. Check coolant*
4
Slow stock
1. Improper spindle speed
A. Increase spindle speed
removal (Honing
2. Inadequate stone feed up
A. Increase cutting pressure
Dial Needle
3. Improper stone
A. Use softer stone
moves too slowly)
B. Use coarser stone
4. Improper or diluted coolant*
A. Check coolant*
4
Poor stone life
1. Excessive stone feed up
A. Decrease cutting pressure
2
(Honing Dial
2. Inadequate spindle speed
A. Increase spindle speed
2
Needle moves)
3. Improper stone
A. Use harder stone
too fast)
B. Use coarser stone
4. Improper or dilute coolant*
A. Check coolant*
4
Bellmouth (Bore
1. Mandrel not trued
A. True stone & shoes
longer than 2/3
2. Short or unbalanced part
A. Shorten stroke length
2
stone length)
3. Improper stone
A. Use softer stone
4. Improper stone length
A. Shorten stone only slightly on
each end
Bellmouth (Bore
1. Mandrel not trued
A. True stone & shoes
shorter than 2/3
2. Short or unbalanced part
A. Shorten stroke length
2
stone length)
3. Improper stone
A. Use softer stone
4. Improper stone length
A. Shorten stone & shoes equally to
1-1/2 times bore length
*NOTE: Many honing problems, such as poor stone life, and rough finish, are caused by wrong coolant; insufficient
coolant, dirty coolant, or contaminated coolant. Use ONLY clean, Sunnen Industrial Honing Oils or Water-Based Coolant.
Make sure that coolant is neither diluted nor "cut" with other coolants. Keep solvents and cleaning fluids away from
Machine.
TABLE 5-1, Operational Troubleshooting Index
Summary of Contents for LBB-1660
Page 8: ...NOTES viii...
Page 34: ...NOTES 26...
Page 38: ...NOTES 30...
Page 40: ...NOTES 32...
Page 44: ...NOTES 36...
Page 45: ...37 APPENDIX E DECLARATION OF CONFORMITY CE PAGE 1 OF 2 SAMPLE CE DOCUMENT...
Page 46: ...38 APPENDIX E DECLARATION OF CONFORMITY CE PAGE 2 OF 2 SAMPLE CE DOCUMENT...
