ERICO LENTON Mid-Range Bar Threader - Manual (Page 23)

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1. If the LENTON bar threader will not start,
check the following:
a. Check that the machine is plugged in and the
power is on.
b. Machine hood must be in the forward position.
c. The correct electrical power must be used.
See “Electrical” section.
2. If the cutting oil is not flowing to the
cutting head, check the following:
a. Oil level – see “Add Oil” section.
b. Please make sure your chip drawer and reservoir
is empty of chips.
c. If you are having electrical problems please call
LENTON Service Group.
3. If the motor is stalling during threading,
check the following:
a. Improper machining step – see “Threading
Operation” section.
b. Proper voltage – see “Electrical” section.
c. Proper cutting speed.
d. Bar loose in the vise.
e. Chaser wear.
f. Bent bar ends.
Troubleshooting
4. If the chasers are wearing prematurely,
check the following:
a. Improper oil flow.
b. Harder than normal rebar.
5. If the bar threader will not engage the rebar,
check the following:
a. Is the bar stop moved out of the way.
b. Proper rotation of the cutting head –
see “Electrical” section.
c. Improper first pass machining step –
see “Threading Operation” section.
6. If the bar ends have stripped threads,
check the following:
a. Are the chaser holders in the correct position –
see “Change Chasers and Holders” section.
b. Are the woodruff keys tight in the slot –
see “Change Chasers and Holders” section.
c. Chaser wear.
7. If the chaser holders will not shift in the
cutting head, check the following:
a. Chips, dirt or other contaminants in the
cutting head.
b. Bent control rod.
c. Damaged control key.
d. Damaged control block.
e. Chaser holder(s) protruding beyond face
of cutting square.
Bar Size Number 4 5 6 7 8 9 10 11 14 18
Bar Size Metric 12 mm 16 mm 20 mm 22 mm 25 mm 28 mm 32 mm 36 mm 43 mm 57 mm
Chaser Holder Set 101D 101D 111D 111D 111D 111D 111D 111D 121D 131D
Bar End Gauge ELBEG12A ELBEG16A ELBEG20A ELBEG22A ELBEG25A* ELBEG28A* ELBEG32A* ELBEG36A* ELBEG43A* ELBEG57A*
Control Key ELK12 ELK16 ELK20 ELK22 ELK25 ELK28 ELK32 ELK36 ELK43 ELK57
Control Block E2 E2 E2 E2 E2 E2 E2 E2 A2 A2
Guide Rings Standard 12D 16B 20A 22A 25A 28A 32A 36A 43A 57A
Guide Rings Large 12E 16C 20B 25A 25B 28B 32B 36B 43B 57B
Guide Rings Extra Large N/A N/A N/A N/A N/A N/A N/A N/A 43C 57C
No. of Threading Steps 1 1 2 2 2 2 2 3 4 4
Operating Speed High High High High High High High High Low Low
Spring Size Blue Blue Blue Blue Blue Blue Blue Blue Red Red
Operator Reference Chart
* Note: Bar end gauges with suffix “HT” may be substituted.