c. Allow drum to unwind and lift the banded spring out of its housing.
d. Slacken the screw retaining the stepped arbor, lift it off, turn it over and refit. Tighten the screw, ensuring
that it locates in the indentation in the shaft.
e. Turn the spring over and refit, passing outer eye over the anchor post and locating the inner end of the
spring in the arbor recess. (Check that ratchet now works in required direction).
f. Remove the special band, if this was not originally fitted, and replace cover and screws.
If it was found necessary to reverse the spring rotation, it will also be necessary to change the rotation of the Gear Box
output shaft to which the Rotary Flexible Drive is attached. It is essential that, when looking on the end of the slotted
output shaft on the Control Box, the shaft must rotate counter-clockwise when tension is being applied to the spring. This
direction of rotation should be checked before installation continues. The reversing of the output shaft direction is as
follows:
1. The output shaft is retained in the gear box by the bronze bearing which is screwed into the box. Unscrew
this bearing to remove it, with the shaft.
2. Unscrew the bronze hexagon nut which forms a thrust cap for this shaft.
3. Screw this hexagon cap into the gear box hole from which the output shaft was removed.
a. Screw the bronze bearing and output shaft assembly into the gear box hole from which the cap was
removed.
NOTE:-
The gear box is mounted in a clamp bolted to the Drum Bracket and is held by a pinch bolt in the clamp.
Slackening this pinch bolt allows the gear box to be rotated so that the output direction is as required.
IMPORTANT:-
After slackening this pinch bolt, ensure that the gear box is pushed hard against its shoulder in the
clamp before re-tightening the pinch bolt. Ensure that the bronze bearings and thrust cans are fully
tightened in the gear box housing and also the pinch bolt is fully tightened.
2-1-19
