Operator's Manuals5121WC-PT625H-OPS-PUB-05-15.pdf5120WC-PT419H-OPS-PUB-05-15-Book.pdf5063-C-PT405-405H-OPS-PUB-03-12.pdf4906C-PT207-OPS-PUB-02-12.pdfParts Books5121P-PT625H-01-2016.pdf5021WP-PT419H-Pub-06-15.pdf5063P-PT405-PT405H-Rev-08-15.pdf4906WP-PT207-Rev-01-16.pdf