Volvo A30D Operating instructions
Volvo A30D Articulated Dump Truck
Service Repair Manual
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Service Information
Document Title: Function Group: Information Type: Date:
Brake calliper removed,
reconditioning
511 Service Information 2014/8/21
Profile:
ART, A30D [GB]
Brake calliper removed, reconditioning
Op nbr 511-081
To remove brake calipers, see .
464 Spindle, replacing one side
WARNING
Brake fluid can cause skin irritation. Use protective gloves.
Dismantling
1. Fit the brake pad retainers. Fit a wooden block 300x75x20 mm (12x3x0.8 in) between the brake pad retainers. Press
out the pistons with compressed air.
Figure 1
2. Remove the brake pistons (4 pcs.).
Figure 2
3. Remove the dust seals (4 pcs.).
Figure 3
4. Remove the O-rings and back-up rings.
Figure 4
1.
2.
O-ring
Back-up ring
5. Clean and inspect the dismantled parts for damage and wear. Change damaged or worn parts.
Assembling
6. Fit new back-up rings and O-rings. Lube the O-rings with vaseline.
NOTE!
The back-up ring should be closest to the brake pads.
Figure 5
1.
2.
O-ring
Back-up ring
7. Fit the pistons.
Figure 6
8. Fit new dust seals.
Figure 7
To install brake calipers, see .
464 Spindle, replacing one side
Service Information
Document Title: Function Group: Information Type: Date:
Brake pads, replacing (one
wheel, front axle)
511 Service Information 2014/8/21
Profile:
ART, A30D [GB]
Brake pads, replacing (one wheel, front axle)
Op nbr 511-005
This operation also includes required tools and times for applicable parts of the following operations:
191 Service positions
771 Wheel, removing and installing
1. For changing brake pads, follow the matching description in section .
512 Brake pads, changing
Service Information
Document Title: Function Group: Information Type: Date:
Brake caliper, replacing one 512 Service Information 2014/8/21
Profile:
ART, A30D [GB]
Brake caliper, replacing one
Op nbr 512-045
11668007 Standard Jack Single
11668007 Standard Jack Single
11668010 Wheel forklift
11668014 Lifting equipment
11668018 Bogie Blocks
This operation also includes required tools and times for applicable parts of the following operations:
191 Service positions
771 Wheel, removing and installing
463 Spindle, replacing one side
1. For changing brake calipers, follow the relevant description in section .
463 Spindle, replacing one side
Service Information
Document Title: Function Group: Information Type: Date:
Brake pads, replacing (one
wheel, first boggie axle)
512 Service Information 2014/8/21
Profile:
ART, A30D [GB]
Brake pads, replacing (one wheel, first boggie axle)
Op nbr 512-005
This operation also includes required tools and times for applicable parts of the following operations:
191 Service positions
771 Wheel, removing and installing
1. Place the machine in service position, see .
191 Service positions
2. Remove the wheel, see .
771 Wheel, removing and installing
3. Remove the guard.
Figure 1
4. Remove the brake pad's stop.
Figure 2
5. Pry back the pistons with a pry bar.
Figure 3
6. Lift up and remove the brake pad.
Figure 4
7. Check brake disc wear, see .
510 Service brake, specifications
8. Install new brake pad.
9. Install the brake pad's stop.
Tightening torque: see .
460 Axles, tightening torques
10. Apply the brake.
11. Check that the pistons can move in the caliper by pressing with a pry bar between the pad and the brake disc. If
there is any oil leak or signs of binding, overhaul the brake caliper, see .
511 Brake caliper, reconditioning
Figure 5
12. Repeat earlier method step to change remaining brake pads.
13. Install the upper guard.
14. Fit the wheel, see .
771 Wheel, removing and installing
15. Restore the machine from service position.
16. Start the machine and check functions.
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