New Pre-Heater Exhaust Tube Rework Is Now Used on Certain 521B and 522B Track Feller Bunchers {1296, 1383, 5096, 7304}
- Track Feller Buncher
- 521B (S/N: F7B250-251,253-254,258-259,262-265,267-270,272-273,275-276,280-283,285-285,287-289,291-291,294-298,302-303,305-308,310-310,316-318,320-322,327-331,333-334,337-339,341-341,343-345,347-350,352-352,354-354,358-360,362-365,368-368,375-375)
- 522B (S/N: F7C215-215,217-218,223-223,232-232,235-241,255-255,257-258,260-260,264-264,266-270,272-273,276-277,279-281,284-284,293-293,295-296,303-304,306-307,310-310,315-317,321-323,329-329)
Reference: Special Instruction, M0076994, Reworking and Rerouting the Pre-Heater Exhaust Tube and Insulation Sleeve on Certain 521B and 522B Track Feller Bunchers
Description Of Change: A new pre-heater exhaust tube and insulation sleeve rework is now used. The reworked components help prevent debris from damaging the pipe insulation and also prevents debris from contacting the hot exhaust.
Adaptable To: Refer to M0076994 for more information about the rework procedure.
The Special Instruction is available through the normal literature distribution system. The publication can also be found on the Caterpillar Service Information System (SIS).
Caterpillar Information System:
Reworking and Rerouting the Pre-Heater Exhaust Tube and Insulation Sleeve on Certain 521B and 522B Track Feller Bunchers {1296, 1383, 5096, 7304} Reworking and Rerouting the Pre-Heater Exhaust Tube and Insulation Sleeve on Certain 521B and 522B Track Feller Bunchers {1296, 1383, 5096, 7304}
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