Greenlee 1904Pg Instruction Manual page 9

Maintenance (cont'd)
Assembly of Spindle Hub Unit (photos 11-17)
11, 12. Place ball nut with arbor to
end of spindle as shown.
15. Reassemble hub (7) to ball nut.
(Note how unit is held in vise.)
Assembly of Ball Nut Unit into Sleeve (photos 18, 19)
18, 19. Refer to these photos and reassemble in the reverse order. Inspect
and re-install thrust bearings. Install spindle hub unit, wave washer
(4), and retaining ring (3). Be sure to seat the retaining ring
completely in the groove.
Greenlee Textron / Subsidiary of Textron Inc.
High Capacity Ratchet Knockout Drivers
13. Carefully rotate ball
nut down the arbor
and onto the spindle.
Note: Spindle has left-
hand lead.
16. Torque hub to ball nut to 90 ft-lb
to 100 ft-lb. (Use 1/2" drive
torque wrench of appropriate
torque capacity.)
14. Replace top washer (9) and
17. Replace three set screws (6)
Thrust Bearings
If thrust bearing set (14, 15 & 16)
show any significant damage,
replace as a complete set. Lubricate
with Molycote-G.
Balls
If any balls need replacement, a
complete set should be ordered to
ensure proper consistency of size.
9
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815/397-7070
replace flat head cap screw (8).
With a torque wrench and Allen
socket, torque screw to 35 ft-lb
to 45 ft-lb.
and torque to 70 ft-lb to 80 ft-lb.
(Use Allen socket and torque
wrench of appropriate capacity.)
Note: All tightening torques
must be met to ensure
satisfactory operation.