The manual was very accurate for the part that I was changing, I was able to order the correct part and had no issues with the replacement procedure. However, I was expecting to have more detailed repairs for the lower drive unit.
Text excerpt from page 4 (click to view)
SERVICE INSTRUCTION FOR PRINT-ASSY HR 2831/33 HR 2833 � turn the poti-gear to the MAX. left position. � mount the print-plate in the housing. � turn the speed-knob to the most right position for one time; the poti-gear is now right position. HR 2831 � turn the poti-gear to the MAX. left position. � remove the poti-gear. � mount the print-plate in the housing. � turn the speed-knob to pos. 2 put a screw driver to trim the speed to 1250 rpm.
MAX
poti-gear
SERVICE INSTRUCTION FOR REMOVING THE PULSE KNOB 1. put the speed knob to the most left position. 2. take a small screw driver and press it between speed knob and pulse knob.
3. turn the screw driver to pull the knob a little bit out of the power unit (a), set the screw driver deeper into the created hole (b) and lift it (c).
