GMC 1976 ZEO 6083 Maintenance Manual page 570

9- 38 STEERING
Figure 58-Turning Adjuster Plug
8 . Using an in . lb. torque wrench, turn the stub
shaft to the right stop and then back 1/4 turn . Meas-
ure the torque . Reading should be taken with beam
of torque wrench near vertical while turning CCW at
an even rate (figure 63). If reading is less than 4, or
more than 10 in . lbs., use other adjustment procedure
listed .
Figure 59-Housing Marks
Figure 60-Marking Rotation Distance
PITMAN SHAFT "OVER-CENTER"
SECTOR ADJUSTMENT
1 . Using an in . lb. torque wrench, turn the stub
shaft to the right stop, then back 1/4 turn . Measure
the torque . Reading should be taken with beam of
torque wrench near verticle while turning counter-
clockwise at an even rate (figure 63).
2. Turn the stub shaft from stop to stop, counting
the total number of turns. Divide this number by
two . Starting at either stop, turn the stub shaft 1/2
Figure 61-Adjuster Rotation