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is marketed exclusively by:
ISM, Inc. • 1028 – 4
th
Street, Suite B • Auburn, WA 98001 • Phone: (253) 333-1200 • Fax: (253) 333-1212
www.tanaka-usa.com * custsvc@tanaka-ism.com
Model & Serial: THT-2100/THT-2120/THT-2510/THT-2520/THT-2540/HTD-2522PF/HTD-2526PF/HTD-
2530PF/HTS-2530PF.
All units produced after serial number W100101.
Reason: When these units are fitted with the aluminum safety shield, some experience
loosening of the blade jam nuts. A flat washer has been added between the nut
and the aluminum shield to help prevent the nut from becoming loose.
Models THT-2100, 2120, 2510 and HTD-2526PF, 2522PF require 3 washers.
Models THT-2520, 2540 and HTS-2530PF and HTD-2530PF require 2 washers
Part Number Changes:
Old Part # New Part # Description Remarks
992-01060-011 Washer
TECHNICAL SERVICE BULLETIN NUMBER PI 3118
Date: June 2001