SM46.20-W-0004A | Check power steering for leaks | 4.2.09 |
STEERING 765.82 in MODEL 375, 944, 950, 952, 953, 954
STEERING 765.83 /84 in MODEL 375, 970, 972, 974, 975, 976
Modification notes
W46.20-1010-11
Inspection of the steering based on these work instructions should help to prevent any unjustified replacement of the steering gear.
Shown on steering 765.84
1 Steering gear
1.1 Valve body
1.2 Housing cover
2 Boot
Possible leaky points on steering gear:
A sealing ring on valve body/steering gear housing
B sealing ring on transmission housing of steering shaft
C radial shaft seal of primary shaft
Operation no. of operation texts or standard texts and flat rates
Column | Op. no. | Operation text | Time | Acc. no. | Code |
N | 463255 | SEAL BOTH POWER STEERING COVERS (AFTER TESTING) | 35 WU/2.9 h | --- | --- |
N | 463270 | REPLACE TOP SEALING RING FOR STEERING SHAFT IN STEERING GEAR (AFTER TESTING) | 30 WU/2.5 h | --- | --- |
| Inspecting | ||
Danger! | Risk of injury to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning from swallowing hydraulic fluid. | Render the hydraulic system pressureless before commencing work on system. Wear protective clothing and eye protection. | |
Danger! | Risk of injury from hand being jammed and bruised when tilting cab | Ensure that no one is within the tilting range of the cab during tilting. Always tilt cab to end position and secure with safety prop. | |
1 | Tilt cab | ||
| Notes on tilting cab | Models 673, 674, 675, 676, 677, 678, 679, 950, 952, 953, 954, 970, 971, 972, 973, 974, 975, 976 | |
2 | Check steering lines and power steering pump for oil-moistened parts | Leakage at steering lines: | |
Remove/install/replace parts and | |||
rectify oil level in oil reservoir | |||
Leakage on power steering pump: | |||
Engines 904, 906 | |||
Remove/install/replace power steering pump | |||
Engines 541, 542 | |||
Remove/install/replace power steering unit, fuel pump unit. | |||
3 | Slide up boot (2) | ||
4 | Check steering gear for signs of oil moistening | Leakage on valve body/ steer jacket (arrow A) or on steering shaft's housing cover (arrow B): | |
Remove/install/replace both sealing rings in steering gear. | |||
Leakage on primary shaft of radial shaft seal (arrow C): | |||
Remove/install/replace radial shaft seal. | |||
6 | Install in the reverse order |
Parts ordering notes
Part no. | Designation | Quantity |
A 000 460 02 00 05 | Repair kit (O-rings with bolts) | 1 |
A 000 460 03 00 05 | Repair kit (radial shaft seal of primary shaft) | 1 |