GLASS AS-DOOR 3803889 - Caterpillar

Illustration 1 g00409019
The brake pads should be replaced when the thickness of the lining on front brake pad (1) is less than 10 mm (.38 inch).
Remove cap (2) from the hole in the center of the lever assembly.
Insert a 1/4 inch allen wrench through the hole into the rod. Turn the allen wrench in the clockwise direction until the rod is all the way backed out.
Remove cotter pins (3). Slide retaining pins (4) in order to remove the used brake pads.
Insert the new brake pads. The thinner part of the brake pad goes to the rear of the machine.
Replace the pins and the cotter pins.
Use a 1/4 inch allen wrench in order to turn the rod in the clockwise direction until the gap is .38 mm (0.015 inch).
Replace the cap on the hole in the lever assembly.
Make the final adjustment from the cab. Repeatedly, apply the parking brake and release the parking brake. This should be done until the travel of the lever decreases and the travel becomes constant.