AR42.10-W-0170B | Replacing and installing brake pads | 11.1.12 |
MODEL 934.2, 944.2
with disk brake SN 5000
MODEL 970, 972, 974, 975, 976
with SB 5000, SN 5000 disk brakes
W42.10-1163-06
Shown on SN 5000 disk brake
1 Cap
2 Adjuster
3 Retaining clip
4 Pin
5 Washer
6 Spring cotter
7 Brake caliper
8 Brake pad (outer)
9 Brake pad (inner)
Modification notes
4.11.11 | Remove/install retaining bracket (3), added. | Operation step 4, 15 | |
Screw threaded pipes by altering adjuster all the way into the brake caliper (7), added. | Step 5 |
| Removing | ||
1 | Remove wheel | ||
2 | Pressurize air brake system to cutout pressure | ||
3 | Release parking brake | ||
4 | Remove retaining bracket (3) | ||
5 | Screw threaded pipes by altering adjuster (2) all the way into the brake caliper (7). | The adjuster (2) may be altered using a box wrench and a hexagon adapter only. Otherwise the adjuster (2) may be damaged and the brake caliper (7) will need to be replaced. | |
6 | Remove brake pads (8, 9) | ||
| Install | ||
7 | Check thickness and condition of brake disks | ||
8 | Clean brake recess and guide surfaces of brake pads (8, 9) | Do not damage the boots. | |
Contamination and corrosion result in the brake pads (8, 9) jamming and thus impair the function of the brake. | |||
9 | Check boots on thrust piece for signs of damage | ||
10 | Check brake caliper guide | ||
11 | Check brake pads (8, 9) | ||
| Notes on evaluating brake pads | ||
12 | Install brake pads (8, 9) | By sliding the brake caliper install first the inner brake pad (9) and then the outer brake pad (8). | |
13 | Checking adjuster | ||
14 | Adjust play | ||
15 | Install retaining bracket (3) | ||
16 | Mount wheel | ||
17 | Check function and effectiveness of service brake |
Test values for brake pad, brake caliper