Mercury Rollback 23 Instructions Manual Download Page 5

7.

Place the Rollback Cap on the top of the shell.  You are going to press it down over the top, 
but as you do so you need to hold the Advance Knob on top and turn it slightly as you press 
down until the winder blade on the inside locks into the top of the takeup reel. Once you feel 
it lock into place, you can press down all the way.  You'll know the cap is in its proper place 
when the hole in its center back lines up with the threaded nut in the shell.

8.

Once the cap is in place, turn the
Advancing Knob a small amount while
watching the film side of the back to
ensure that it is still advancing
smoothly.  Note: the Advancing Knob
will sometimes have slack.  This is not
a problem: just turn it until it becomes
firm; then it should advance normally.
It takes a fair amount of pressure to
advance; this is normal.  However, if
the film appears to be jammed and not
moving, do not force it, or you will
break your winder.

9.

To hold the Cap in place and ensure that it doesn't accidentally pop off during use, screw the 
included Thumbscrew into the threaded hole in the back.  Do not overtighten this screw.  It's 
purpose is to prevent the Cap from lifting; it can cause damage if screwed too tight.

Summary of Contents for Rollback 23

Page 1: ...he back of every reputable roll of 120 film Yes they are really there take a look It should be noted that this back is neither simple nor cheap to manufacture and in most cases you re probably better...

Page 2: ...hing to the takeup spool you should always keep pressure on the fresh film roll as it tends to unravel when pressure is released 2 Keeping the film orientation as above insert the two spools into thei...

Page 3: ...ce in the forward section pushing the film into position It can sometimes happen that the bottom of the pressure plate which can t be reached with your fingers doesn t snap as easily in place as the t...

Page 4: ...Crank into the top of the takeup spool Slowly and evenly wind the film by turning in a counterclockwise direction The backing paper should advance evenly It takes some pressure to advance but it shou...

Page 5: ...vancing Knob a small amount while watching the film side of the back to ensure that it is still advancing smoothly Note the Advancing Knob will sometimes have slack This is not a problem just turn it...

Page 6: ...1 Turn the Advance knob always in the direction indicated counterclockwise while watching the film s backing paper through the red window You will need sufficient light to see it clearly You can use a...

Page 7: ...lock any stray light You can remove this cap at any time to check your frame number or to advance to the next frame but it is a good idea to keep it in place when you don t need to see through the win...

Page 8: ...hing the backing paper through the red window When the next frame number appears stop advancing Your next frame is queued up UNLOADING Once you have exposed your final frame 8 in the 6x9 back 10 in th...

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