
Great Plains
| 566-170M | 04/26/2019
56
TCN5107-5313
Maintenance and Lubrication
27. Remove five
1
2
-13 nuts
and lock washers
behind
dust shield.
28. Pull backing plate assembly
far enough out on spindle,
away from dust cover
, to allow access to nuts
on the
two shoe hold down bolts
.
If you prefer to perform a bench repair on the brakes,
and wish to avoid opening the hydraulic system,
remove the bolts holding the wheel cylinder. This
allows complete removal of the backing plate.
29. Remove hold down cotter pins
and castellated nuts
.
30. Remove spring washers
.
Note the orientation of these washers. They must be re-
installed in the same relationship to each other, and to the
nut/washer, in order to provide correct spring force.
31. Remove large flat washer
.
32. Remove hold down bolts
and brake shoes
.
33. Inspect brake shoes. Check that web is flat and at a right
angle to table. Check welds for cracks. Check operating
holes for wear and peening. If any defect or damage is
noted, replace shoes regardless of lining status.
34. Replace any shoes contaminated with oil.
35. If replacing one shoe set due to normal wear, Great Plains
recommends replacing all shoes on the machine.
Braking Malfunction Hazard:
Always replace brake shoes in pairs - both shoes on the same
drum. Replacing only one shoe of each set can lead to reduced
braking performance, or loss of braking, with the risk of an
accident resulting in death, serious injury or property damage.
Cannot Re-Line:
Original and replacement brake shoes supplied or
recommended by Great Plains have bonded linings.
They cannot be re-lined. Replace entire shoes, in
pairs.
Figure 52
Brake Shoe Removal
29642
1
2
4
3
5
6
7
8
9
s