Hardi COMMANDER Classic DELTA Instruction Book page 71

10. Remove the clevis pin between the air diaphragm cylinder and
brake cam lever.
11. Remove the cotterpin (G) and nut (F), the brake shoe anchor bolt
(H) and slide the brake shoes over the cam. Twist the pair of brake
shoes to remove the shoe return springs (I). Replace brake shoes if
the linings are worn.
12. Apply a small qty. of copper paste on moving parts and assem-
ble the brake shoes and shoe return springs again.
13. Fit the shoe assembly with the anchor bolt first. Then pull the
shoes away from each other and slide them over the cam after-
wards. Tighten the anchor bolt castellated nut again and fit a new
cotter pin.
14. Check roller bearings for discoloration and wear - renew if worn
or damaged.
15. Assemble the hub and bearings using a new sealing ring.
16. Fill the hub and bearings with fresh grease before fitting it to the
shaft.
17. Fit the castellated nut. Rotate the hub and tighten the castellated
nut until a slight rotation resistance is felt.
18. Loosen the castellated nut again until the first notch is aligned
with the cotter pin hole in the shaft.
19. Fit a new cotter pin and bend it.
20. Fill the hub cap with fresh grease and carefully press it on to the
hub. Slightly tighten the 6 Allen bolts.
21. Adjust the brakes as described in "250 hours service".
22. Fit the wheel again and tighten the wheel nuts. See section "50
hours service" regarding torque wrench setting. Tighten all bolts to
half the specified torque first, then to the full specified torque.
23. Tighten again after 10 hours of work. Check the torque every day
until it is stabilised.
DANGER! Brake dust can cause severe health injuries! Avoid inhalation of brake dust! Use respirator when servicing
the brakes. Do not clean brakes with compressed air! Use vacuum cleaner or rinse with water to avoid brake dust
being blown around.
WARNING! The specified min. thickness is the absolute minimum which must never be exceeded. Renew the parts
if they would reach the above dimensions before next service inspection.
WARNING! Renewal of brake linings or brake drums must be done both sides at the same time.
ATTENTION! If the brake drum must be removed from the hub, a hydraulic press is required to press the wheel
studs out.
WARNING! Do not get oil, grease or copper paste in contact with the brake linings and drums.
ATTENTION! The shaft has a vertical and an horizontal cotter pin hole. Use the one first aligned with the notch
when loosening the castellated nut.
WARNING! If you do not feel totally confident changing wheel bearings or brake shoes contact your HARDI dealers
workshop.
6 - Maintenance
6.11