* Lead circuit went down after Nov. 10 furnace failure
* Company warned of impact to lead shipments
* Spokesman says shipments to return very quickly
TORONTO, Nov 30 (Reuters) - Teck Resources TCKb.TO expects to restart the lead production line at its Trail, British Columbia, refinery on Wednesday, following repairs to a furnace that was idled three weeks ago, a company spokesman said on Monday.
Teck idled the operation and warned customers of an "impact" to lead shipments after some bricks in a furnace fell out of place, prompting the lead circuit to be shut down on Nov. 10.
The company said at the time that 2009 lead production would fall by about 6,000 tonnes to 79,000 tonnes, assuming repairs went as planned.
That estimate will likely stand, spokesman Richard Greene said, although he said it was hard to pinpoint exactly when lead shipments would return to normal.
"I can't give a definitive answer as to when those shipments will be returning to normal levels, but we're going to be restarting on (Dec.) 2nd and we'll be getting back to those levels very quickly," he said.
Zinc production at Trail has not been affected by the shutdown.
Shares of the Vancouver-based mining company were up 10 Canadian cents at C$36.40 on the Toronto Stock Exchange.
$1=$1.06 Canadian Reporting by Cameron French; editing by Rob Wilson firstname.lastname@example.org; 416-941-8199: Reuters Messaging: email@example.com