Merrow Class 70 - Merrow Class 70 Lower Shaft and Cam Removal; Class 70 Lower Shaft Cam Meshing

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
THE MERROW MACHINE COMPANY ________________ _
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h. To remove the Lower Shaft and Lower Cam, proceed as follows:
1. Loosen the Socket Screw 32-1/ 4 in the Lower Cam .
2.
Grasp the Hand Wheel and remove (he Lower Shaft and Lower Cam.
i. The Lower Shaft Oil Meter and L.S. 0. M. Holder 6-9 / 32 removed by first taking out
Plug Screw A-288-3 from bottom of machine. L. S.0. M. Holder 6-9 / 32 may now be
removed with a screw driver from its location between the Shafts.
j. Before re-assembling, clean all parts including the oil holes and slots in the Frame.
k. In re-assembling, the gears on the two Main Cams are meshed correctly by:
1. Remove the Cam Timing Screw 3- #8 located in the Frame in back of the D.ist
Shield.
2.
Place Screw in the Lower Cam and match the Screw with the hole in the Upper
Cam.
3. Remove
Screw 3- 11 8 from Cam and replace in storage hole in Frame. The
machine will not make a full revolution when this Screw is in the Cam and the
Frame Cap is assembled into machine.