Duff-Norton SK6905-200 User Manual

Page 9

(41) into housing (22) against bearing (39). Torque
in place at 40

10 foot pounds.

28. Spot drill outer tube (41) through set screw hole

(use drill slightly smaller than ID of thread). Remove
chips and install set screw (35) and lock in place
aginst outer tube (41).

29. Assembly of Motor:

Assemble brake cam (26) on pinion (32).

II.

Install brake spring (27) into motor adaptor (29)
(see figure 4-2).

III. Taking care that the motor (23) end bells do not

separate from motor (23) shell, align drive cou-
pling (24) pins as shown in figure 4-2 and as-
semble motor (23) to motor adaptor (29) hold-
ing in place with screws.

If unit has potentiometer assembly which does
not have to be replaced, or unit has no potenti-
ometer, proceed to step 31.

30. Potentiometer Assembly

A. Assemble washer (7b) and nut (7a) on potenti-

ometer (7) (nut should not be tightened).

B. Assemble gear (5) on potentiometer (7) shaft.

NOTE

Gear should be assembled on potentiometer
shaft with a very light press fit. See sketch
for required dimensions of gear on potenti-
ometer. Take care not to damage
potentiometer.

31. Adjust limit switches per Paragraph 2-2 and cali-

brate and install potentiometer (if applicable) per
Paragraph 2-3.

32. Assemble gasket (3) and cover (1) on housing (22)

and hold in place with screws (1).

Assembly is now complete.