Instruction Manual
Mounting Instructions – PL Gearhead 960-0127 Rev A Page 3
Pinion Gear Positioning and Clamp Screw Torques for Standard Nema Gearheads
UNIT SIZE
WRENCH SIZE
SCREW TORQUE (NOM)
DISTANCE
SIZE 17
#4-40
10 LB. IN.
.047
SIZE 23
#8-32
28 LB. IN.
.047
SIZE 34
#10-32
45 LB. IN.
.094
SIZE 42
1/4-28
110 LB. IN.
.094
SIZE 56
1/4-28
110 LB. IN.
.094
SIZE 75
1/4-28
110 LB. IN.
.094
Additional Clamp Screw Torques
SCREW SIZE
SCREW TORQUE (NOM.)
#6-32
15 LB. IN.
3/8-24
436 LB. I
Customers will need a torque wrench with the proper Allen tip