17
ALIGNING MAINSHAFT TO CRANKSHAFT
As viewed looking down from rear of machine, spot screw (A, Fig. 16) in the couplings must align with
the spots in the looper drive crank (B) and set screws (C) must align with the flats on crankshaft (D) and
mainshaft (E). Mainshaft must be positioned laterally with .045 inch (1.14nun) clearance between the
right side of its head and the bed casting as shown (Fig. 17).
NOTE:
Recheck to make sure that the take-up cam is centered in the cast-off plate without rubbing
either side.
Looper drive crank (B, Fig. 16) must be positioned laterally so that strap (G, Fig. 16) is vertical and 1/32
inch clearance is maintained between end of crank and end of mainshaft (E) as shown. Once these
settings are made, it is very important that the couplings are tightened in the following sequence for
best performance.
Snug spot screws (A) temporarily, to the looper drive crank. Snug set screws (C) temporarily, to the
crankshaft and mainshaft. Torque screws (F) to 19-21 in. lbs. (22-24cm/kg). Loosen spot screws (A) and
set screws (C). Re-torque screws (F) to 19-21 in. lbs. (22-24cm/kg), then, torque screws (A and C) to 19-
21 in. lbs. (22-24cm/kg).
The oil drip plate (A, Fig. 18) located in the oil
reservoir should be positioned with its tip in the
recessed cut out in the bed casting, as far to the
left as possible without touching. It has elongated
mounting holes and can be adjusted by loosen-
ing (2) screws (B)in top of the oil reservoir back
cover to position as required, retighten screws.
Summary of Contents for 56500R
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