TM 9-3405-205-14 & P
TROUBLE SHOOTING AND SAWING HINTS (continued)
TROUBLE
PROBABLE CAUSE
REMEDY
Premature Saw Band Breakage
1.
Saw band speed too low
1. Increase speed.
(usually caused by teeth stripping.)
2.
Feeding force too high
2. Decrease feed force.
3.
Pitch of saw band too coarse
3. Change band to finer pitch:
4.
Saw guide inserts and back-up
4. Check for worn inserts and
and back-up ring and replace if
required.
5. Band tension too high
5. Reduce band tension.
6. Defective weld instructions.
6. See Welder Manual for
Premature Dulling of Saw Band
1. Not breaking in saw band on
1. Reduce feed pressure and
Teeth
first few cuts
speed on first cuts.
2. Band speed too high, causing abrasion.
2. Reduce speed.
3. Saw band pitch too coarse
3. Change to finer pitch blade.
4. Feed pressure too light
4. Increase pressure.
5. Cutting rate too high
5. Reduce feed pressure.
6. Faulty material analysis
6. Determine material and correct
speed feed or blade as required.
7. Faulty material such as heavy
7. Replace material.
scale, inclusions, hard spots, etc.
8. Saw band vibration.
8. Check for unbalance due to
worn belt or parts.
9. Chipped tooth lodged in cut tooth.
9. Stop cut and remove lodged
10. Chip welding.
10. Reduce speed.
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