DRIVING & CHASSIS - MAINTENANCE HS120V G5:9HM:=FGH 8F=J=B;7 756=B 9B;=B9 9@97HF=7GMGH9A =B89L LF1W341A LF1W344A LF1W342A 13. Pull out the drive chains (1) and sprockets (2) from the main frame. LF1W345A 12. Unscrew the HST motor mounting bolts (1)(8EA) to remove the HST motor (2) from the inside of the main frame. LF1W343A 3 -38 GMW-0035