AMF DECO 2000, Руководство по эксплуатации и ремонту, Страница: 53 / 74

Released 06/2010
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DECO 2000
1-41
9. T I M I N G T H E F O L L O W E R F O O T
1) Adjust the follower foot separation
1.1. This adjustment requires a long arm key or an extension to a standard key. Bend the key as
required for access to the gear screw.
1.2. Remove the belt guard. Unhook the cam lever spring for the upper looper.
1.3. Rotate the handwheel to bring the set on the presser foot gear into view. Loosen the set screw.
1.4. Rotate the handwheel to bring the feed dog to the end of stroke where it starts to descend.
The follower foot should move upward at this time.
Determine whether to advance the follower foot to move upward sooner or retard the follower foot
to move later.
1.5. Rotate the handwheel to where the low section of the left upper looper cam uncovers the presser
foot gear.
1.6. Hold the right cam looper gear in place. Pull the presser foot gear to disengage from the gearing.
Rotate the presser foot gear clockwise to retard the follower foot or counterclockwise to advance.
Push the gear in to engage the gearing. Rotate the handwheel to check the timing of the follower foot
to the feed dog.
1.7. Repeat steps 5 and 6 until the follower foot separates from the feed dog at the end of its stroke.
1.8. Rotate to bring the set screw on the presser foot gear into view and tighten the screw.
Replace the upper looper cam lever spring. Replace the belt guard.
Check the right looper timing.
E - STANDARD MACHINE ADJUSTMENT