SkyTracker STX-1-2000, Instruction Manual

Page: 31 / 52

27
Gear belt pulley has slipped. Loosen hub and re-time
bent shafts.
Turnbuckles are not evenly adjusted. Loosen #1 and #3 mounts
and re-adjust turnbuckles.
PROBLEM PROBABLE CAUSE WHAT TO CHECK
LAMPHEADS Timing belt has slipped (continued).
COLLIDE
(continued)
REPLACEMENT OF STX-4 TIMING BELT
(Part No. 3105001; see Parts List Fig. 3, Item 27)
Loosen lower bearing housings #1 and #3 (see Parts List Fig. 3, Item 43). Slide housings
upward to relieve belt tension. Remove and discard old timing belt.
Raise all four lampheads to their full upright positions. Insert the 3198124 Transport Cush-
ion between the lampheads and install the 3200001 Transport Strap around the lampheads
to secure them in this position.
Install the replacement timing belt as illustrated on Figure 7 (Page 14). Make certain the
belt is riding in the center of each timing pulley and
not
up on any flanges.
Slide lower bearing housings #1 and #3 down to apply belt tension. Check for timing belt
teeth fully engaging timing belt pulleys and retighten bearing housings.
Remove Transport Cushion and Transport Strap. Energize drive assembly and test rota-
tion. Adjust tensioning turnbuckles as required (see above).