Rough Country PERF644 - Manual (Page 7)

1. Check the transfer case shifter to see if it will move to 4L. If
not, the linkage will need adjusting. Place the shifter in 4L,
loosen adjustment bolt and push the linkage forward until it
stops. Now re-tighten adjustment bolt. See Photo 1. Check to
be sure 4WD works properly.
2. Rotate driveshaft and check for interference at differential
yoke and cardan joint. If necessary, lightly dress casting(s)
and/or U-joint tabs in order to eliminate binding
3. Have a qualified alignment center realign front end to factory
specifications.
4. Install Warning to Driver decal on sun visor.
5. Adjust headlights to proper settings.
MAINTENANCE INFORMATION
It is the ultimately the buyers responsibility to have all bolts/nuts checked for tightness after the first 500 miles and
then every 1000 miles or 3 months. Wheel alignment steering system, suspension and driveline systems must be
inspected by a qualified professional mechanic at least every 3000 miles.
POST INSTALLATION INSTRUCTIONS
PHOTO 1