215204 Rev. 1 27
ERVICE
S
5.2-2 Drum Arm Contact Pad –
Surface Replacement
The following procedures can be performed with the
Clamp mounted on the truck.
Single Drum Arms.
1 Drill out the rivets using a 3/16-in (5 mm) drill bit. Drill
from the back side of the arm. Align the new contact
surface to the arm. Drill through using the 3/16 (5 mm)
drill bit. Rivet the contact surface to the arm.
Multiple Drum Arms
2 Remove the snap ring, pivot pin, thrust washers and
contact pads to provide access to the rivets. Replace
the contact surfaces as in Step 1. Reinstall the contact
pads.
CL0370.ill
1
2
Contact Surface
Rivet (6)
Pivoting
Contact
Pad