Upright X Series Service And Maintenance Manual

43 “Translation of the original instruction”
6. Remove the dust cover from the hub. Remove the
slotted nuts.
7. Tighten the groove nut with a torque of 203 Nm to
install the bearing.
8. Loosen the groove nut completely and re-tighten
with 48 Nm of torque.
9. Try the horizontal and then move the wheel
vertically to check the wheel bearing wear.
 Result: No lateral or longitudinal displacement.
Proceed to step 11.
 Results: hor
izontal or vertical displacement.
Continue with step 11 and replace the new
wheel bearing.
Note: When replacing wheel bearings, both internal
and external bearings must be replaced, including
press-fit bearing rings.
10. Remove the dust cover from the hub. Remove the
slotted nuts.
11. Remove the groove nut.
12.Pull the hub out of the spindle. Spindle washers,
thrust washers and external bearings should be
released from the hub.
13. Place the hub on a flat surface and gently pry out
the bearing seal from the hub. Remove the rear
bearing.
14. Fill the two bearings with clean new grease.
15. Place a larger internal bearing into the rear of the
hub.
16. Install the new bearing grease seal into the hub
and press evenly until it flush.
17. Slide the hub onto the operating fork spindle.
Risk of damage to parts: Do not use excessive force
as this may cause damage to the edge of the seal.
18. Place the external bearings in the hub.
19. Install the spindle washer, thrust washer and
groove nut.
20.Tighten the groove nut with a torque of 203 Nm
to mount the bearing.
21. Loosen the groove nut completely and
re-tighten with 48 Nm of torque.
22. Install a new cotter pin. Bend the cotter pin to
lock it in place.
NOTE: Always use a new cotter pin when installing
the groove nut.
23. Install the dust cover.

Upright X Series Specifications

General

Brand	Upright
Model	X Series
Category	Lifting Systems
Language	English