M 68 Heater

Does anyone know if there is a TM For my gas heater? It is a M68 model # VBM-250A. Cannot seem to find any info. Your help would be appreciated. Thankyou. The tm # is TM5-2805-208.

Google can be your friend if you let it. Here's what I can see on it:
first a message:
Try this: http://www.military-info.com/Index.htm
TM 5-2805-203-14 Operator, Organizational, Intermediate, and Depot Level Maintenance Manual. Engine, Gasoline, 6 HP,Military Standard Models (DOD Model: 4A032-1, NSN: 2805-00-776-0483; DOD Model: 4A032-2, NSN: 2805-00-776-0483) (January 1977)(Includes Change 1-7); 192 pages, 95 illus. Price 20.00 {Item No.5004} [Generator engine]
TM 5-2805-203-24 P Organizational, Intermediate and Depot Maintenance Repair Parts and Special Tools List. Engine,Gasoline, 6 HP, Military Standard Models: DOD Model: 4A032-1, NSN: 2805-00-776-0483; DOD Model: 4A032-2, NSN: 2805-00-776-0483 (April 1977) (Includes Changes 1 & 2); 56 pages, 26+ illus. Price 6.00 {Item No.5007} [Generator engine]
Hope this helps,
Walt

Then:
http://www.combatindex.com/store/tech_man/Sample/Compressors/TM_5-4310-270-15.pdf
http://www.tpub.com/content/heaters/TM-5-4520-208-15/TM-5-4520-208-150131.htm
http://www.tpub.com/content/compressors/TM-5-4310-256-15/TM-5-4310-256-150090.htm
http://www.boyceequipment.com/1533_2milmanuals.html
http://www.archive.org/stream/armytechnicalman003547mbp/armytechnicalman003547mbp_djvu.txt
HTH,
Mike

Thank you, Mike!