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

5 Warner Electric • 800-825-9050 P-1384 • 819-0116
Replacement of Cams/Kit #1305-100-020
- Item 10
1. Remove drum (31).
2. Remove shoe return springs (6-2) and spread
shoes (6-1) by hand.
3. Remove retaining rings (10-1) from cam pins
(10-2) on spider (9).
4. Push out pins (10-2) and remove cams (10-3).
5. Install new pins (10-2) and cams (10-3) in order
shown on exploded view. Lock assembly with
retaining rings (10-1).
6. Reposition shoes (6-1) and shoe return springs
(6-2).
7. Replace drum (31) and reinstall running gear per
manufacturer’s specifications.
Section E – Replacement of Armature/
Armature Kits #1305-100-015 R.H.;
#1305-100-016 L.H. - Item 5
NOTE: Warner Electric armatures for this size brake
are designed for use on either the right-hand side
or left-hand side of the trailer when looking toward
the towing vehicle. The armatures are not
interchangeable and must be installed on the
correct side of the trailer. The armatures have a
designating “R” or “L” on the mounting ring.
1. Remove hub, wheel, and drum (31) from trailer.
2. Remove twelve armature mounting screws (5-1)
from grease guard/adapter (2).
3. Lift out old armature (5) and any shims (4) that
may be installed. Clean armature mounting
surface on grease guard (2).
4. Remove and clean grease guard/adapter (2) by
loosening nine screws (3) holding guard on drum.
5. Reinstall grease guard/adapter (2) in drum.
Torque screws to 69-75 in. lbs. Install new
armature (5) on grease guard using twelve
armature mounting screws. Torque screws to
69 to 75 in. lbs.
6. Check armature depression by following these
steps:
A. Place a 1/4” ball of modeling clay between
each armature tab, and the mounting plate.
B. Being careful not to compress the clay, bolt
the armature into the drum.
C. Install the drum on the axle, so there is no
free play.
D. Remove the drum from the axle.
E. Remove the armature from the drum.
F. Measure the thickness of the clay. It should
be about 1/8”. If it is greater than 1/8”, add
shims between the armature and the drum,
and repeat steps A through E.
…this should be between 1/8" and 3/16".
Correct, if necessary, using shims (4) or
hardened spacer rings between armature
and grease guard.
7. Inspect magnet (7-0) to determine if it should be
refaced or replaced.
8. Reassemble running gear per manufacturer’s
specifications.
Important Notice to Purchaser: Since
neither the manufacturer nor the seller of this
product can control the manner in which it is
installed or used, or the suitability of components
used in conjunction with it, the installer and
ultimate user assume all risks and liabilities
appurtenant to installation and conjunctive use.
Therefore, appropriate steps should be taken in
advance by every purchaser and user to insure that
the product is assembled properly with suitable
component elements, and is used in compliance
with generally accepted industry practice, in
accordance with the instruction manual and as
supplemented by other information contained
herein.