N o t e – ETC Source Four Revolution with Wybron User Manual

Page 37

Routine Maintenance

N o t e :

If the spring clip does not allow enough movement, move the spring to the next notch in

the clip.

Step 7:

When the pawl operates fairly quietly, tighten the spring tension clip screw.

Step 8:

Adjust the other pawl if needed.

Step 9:

Test the IMF operation by turning the IMF motor counter-clockwise by hand to

move the IMF forward. The IMF should close and as you continue turning the

motor, the doors should open.

Adjusting the IMF door tabs:

Step 1:

Make sure the pawls are adjusted properly. If not, see

Step 2:

Close the IMF doors and move them so that the door tabs are in line with the

pawls.

Step 3:

Loosen the left door adjustment tab screw and move the tab so that it just nearly

contacts the pawl roller. You should be able to slip a piece of paper easily

between the pawl and roller.

Step 4:

Adjust the right tab so that it has slightly more clearance (approximately 1.6 mm

(1/16")).

Step 5:

Check the operation of the IMF operation by turning the IMF motor by hand

counter-clockwise to move the IMF forward. The IMF should close and as you

continue turning the motor, the doors should open.

IMF Door Tab

Tab Screw

Pawl Roller

Left IMF door shown