Warner Electric 1305-2 Brake, Complete Pair 16-1_2 x 5 Shoe Brake - Manual (Page 3)

3 Warner Electric • 800-825-9050 P-1384 • 819-0116
Section A – Replacement of Shoe and
Lining Assembly/Kit #1305-100-024 -
Item 6
NOTE: Two different types of friction material (brake
lining) are used in each half of the shoe and lining
assembly of this size brake. It is important to install
the assembly with the arrow on the trailing shoe and
lining pointing in the direction of forward drum
rotation.
1. Remove drum (31).
2. Remove magnet (7-0).
3. Remove shoe return springs (6-2).
4. Loosen and remove centralizer place nuts (12-1).
5. Lift off old shoe and lining assembly (6-1).
6. Remove bracket (14-1) from adjuster assembly
(14) and remove adjuster spring (6-3), adjusting
nut and screw assembly (14) from shoe
assembly.
7. Clean all brake parts.
8. Reinstall adjuster spring (6-3), adjuster assembly
(14), and attaching parts to new shoes and
linings (6-1) with new cotter pins and washers.
9. Place adjuster bracket (14-1) over adjuster (14).
10. Install complete assembly back on brake by
installing centralizer plate (14-3). Do not tighten
centralizer nuts completely yet…allow centralizer
to float.
11. Reinstall magnet (7-0).
12. Reinstall shoe return springs (6-2).
13. Reinstall brake and drum on axle per running
gear manufacturer’s specifications.
14. Remove adjusting cover (12-3) and turn either
adjusting nut (14-2) until brake shoes (6-1) are
expanded tight against drum (31).
15. Tighten centralizer plate nuts (12-1) against
lockwashers (12-2). Torque to 18 to 20 ft. lbs.
16. Back off adjuster (14-2) until drum turns freely
(approximately 5 or 6 notches).
17. Replace adjusting opening cover (12-3). Torque
nuts 68 to 76 in. lbs.
Section B – Replacement of Magnet/
Magnet Kit #1305-100-010 (12V) - Item 7
1. Remove drum (31).
2. Remove centralizer plate bolt assembly (14-3).
3. Remove shoe return springs (6-2). See Section
C.
4. Loosen magnet return springs (7-2) from Magnet
Only.
5. Remove magnet lead wires (7-1) from terminal
blocks (13).
6. Loosen and remove magnet hold down brackets
(8) and lift magnet (7-0) off the assembly.
7. Remove magnet lead wires (7-1) from magnet by
opening lead wire hold down clips carefully to
free wires.
8. Clean inside of magnet mounting surfaces.
9. Install new magnet (7-0) on pilot ring and replace
hold down brackets (8). Torque nuts to 10 to 12
ft. lbs.
10. Reconnect magnet leads (7-1) to magnet and
terminal blocks (13). Torque nuts (8) to 59 to 65
in. lbs. Torque screws (13) to 15 to 17 in. lbs.
11. Connect magnet return springs (7-2) to new
magnet.
12. Reconnect shoe return springs (6-2) per
instructions in Section C.
13. Reinstall centralizer plate (14-3) and adjust per
instructions in Section A.
14. Replace drum (31) and reassemble running gear
per manufacturer’s specifications.
Replacement of Magnet Lead Wires only:
Kit #1305-100-012 - Item 7-1
1. Remove magnet (7-0) from brake.
2. Spread lead wire hold down clips on magnets
carefully to free wires.
3. Loosen terminal screws (13) and remove lead
wires (7-1) from terminal.
4. Install new lead wires (7-1) on terminal. Torque
screws (13) to 15 to 17 in. lbs.
5. Close magnet lead wire hold down clips securely
over the new leads (7-1).
6. Replace magnet (7-0) on brake.