RW-337D Service Manual I Page 22 of 61
Remove the three screws (ST2.9x6) shown in the figure
with cross screwdriver and take off the left side board.
Remove the three screws (ST2.9x6) shown in the figure
with cross screwdriver and take off the right side
board.
Remove the two screws (ST2.9x6) shown in the figure
with cross screwdriver and take off the gear dustproof
cover.
Remove the two screws (ST2.9x6) shown in the figure
with cross screwdriver, and then take off the tight plate
and timing belt.