Kipp&Zonen 2AP Sun Tracker - Manual (Page 101)

SOLVING PROBLEMS
100
Once the lubrication is complete, check to ensure that the worm spring locking nuts are secure, see
figure 7.2. The locking nuts (outer nuts, closest to the ends of the screws) should be tightened
securely against the inner nuts to prevent both nuts from rotating and reducing the preset
compression on the worm springs. The locking nuts are provided with a seal.
If one of the pair of locking nuts has moved (the seal is broken), it is recommended that the Gear
Drive 2AP be returned to Kipp & Zonen for service.
Figure 7.2: Worm Spring Locking Nuts.
Important: Worm / Spur Gear Drive contamination
Proper worm/spur gear mesh is a critical factor in the operation of the 2AP. To ensure that the mesh
is in no way affected, it is recommended that the 2AP NOT be operated for extended periods of
time with the main cover removed. This is especially important in any dusty, windy or high moisture
environments. Any debris adhering to the worm and/or spur gear can adversely affect the
operational accuracy of the 2AP and cause premature wear.
If it is determined that the operational accuracy has been affected by debris in the worm housing, it
may be possible to locate and remove the debris. Remove power from the unit and manually
operate the worm and spur gears by spinning the large spur gear (see figure 1.2) until a “rough” or
“tight” spot is encountered. At this point try to locate and remove the unwanted debris from the
worm or spur gear.
If this is unsuccessful, it is recommended that the Gear Drive 2AP be returned to Kipp & Zonen for
service.