Front axle | 730.0 in model 375, 967, 970, 972, 974, 975, 976 |
Front axle | 730.7 in model 967, 970, 972, 975, 976 |
Front axle | 739.4 in model 930, 932, 933, 934, 942, 943, 950, 952, 953, 954, 958 |
Front axle | 739.5 in model 374, 375, 930, 932, 933, 934, 940, 942, 943, 944, 950, 952, 953, 954 |
Front axle | 739.5 in model 957 |
Left steering movement, shown on 1st front axle on left-hand drive vehicle 8x4/4 |
a | Distance (drag link to tire) |
b | Distance (front axle spring to tire) |
W33.25-1066-10
Right steering movement, shown on 1st front axle on left-hand drive vehicle 8x4/4 |
a | Distance (drag link to tire) |
b | Distance (front axle spring to tire) |
W33.25-1067-10
1 | Stop screw |
2 | Jam nut |
W33.25-1046-01
Danger | Risk of death caused by vehicle slipping or toppling off during lifting | Only lift vehicle at the lift support points specified by the vehicle manufacturer. | |
Warning | Risk of injury from being trapped in the swivel range of steered axles | Ensure that no persons or objects are in the swivel range of all steered axles when turning the steering wheel. Do not stand in the swivel range of the additional steering axle when the engine is running. | |
Topical note | Notes on maintenance and repair work | ||
Topical note | Special instructions for lifting and supporting vehicle | ||
Note on calculation of tightening torque when using insertion or socket tools with various effective lengths | |||
| Check | ||
1 | Move front wheels to straight-ahead position. | ||
2 | Position all steerable wheels centrally on the turntables. | ||
3 | Set scales of turn plates on 1st front axle to 0°. | ||
4 | Release counternuts (2) of stop screws (1) on both steering knuckles of 2nd front axle and screw stop screws (1) all the way in. | Only on model 930.3, 932.3, 933.3, 942.3, 943.3, 950.3, 952.3, 953.3, 957.3 | |
5 | Turn steering to left up to end stop and hold in this position. | ||
6 | Read off angle on scale on turn plate of left wheel of 1st front axle and measure distances (a, b) between front axle spring or drag link and tires on both front wheels of 1st front axle. | Steering angle of inner wheel | |
Distance, drag link to tire | |||
Distance, front spring to tire | |||
If the specified angle is not reached or if one of the distances (a, b) between the front axle spring or drag link and the tire is too small, | |||
| |||
release counternut (2) of stop screw (1) on left steering knuckle of 1st front axle, adjust steering stop by screwing in or unscrewing the stop screw (1) taking distances (a, b) between front axle spring or drag link and tire into consideration, then secure stop screw (1) with counternut (2). | |||
Front axle 730.024/025 in model 375, 970, 972, 974, 975, 976 | |||
Front axle 730.07 in model 967 | |||
7 | Turn steering to right up to end stop and hold in this position. | ||
8 | Read off angle on scale of turn plate of right wheel of 1st front axle and measure distances (a, b) between front axle spring or drag link and tires on both front wheels of 1st front axle. | Steering angle of inner wheel | |
Distance, drag link to tire | |||
Distance, front spring to tire | |||
If the specified angle is not reached or if one of the distances (a, b) between the front axle spring or drag link and the tire is too small, | |||
| |||
release counternut (2) of stop screw (1) on right steering knuckle of 1st front axle, adjust steering stop by screwing in or unscrewing the stop screw (1) taking distances (a, b) between front axle spring or drag link and tire into consideration, then secure stop screw (1) with counternut (2). | |||
Front axle 730.024/025 in model 375, 970, 972, 974, 975, 976 | |||
Front axle 730.07 in model 967 | |||
9 | Turn steering to left up to end stop and hold in this position. | Only on model 930.3, 932.3, 933.3, 942.3, 943.3, 950.3, 952.3, 953.3, 957.3 | |
10 | Unscrew stop screw (1) on left steering knuckle of 2nd front axle up to contact and secure with counternut (2). | Only on model 930.3, 932.3, 933.3, 942.3, 943.3, 950.3, 952.3, 953.3, 957.3 | |
Jam nut to stop screw for steering stop | |||
11 | Turn steering to right up to end stop and hold in this position. | Only on model 930.3, 932.3, 933.3, 942.3, 943.3, 950.3, 952.3, 953.3, 957.3 | |
12 | Unscrew stop screw (1) on right steering knuckle of 2nd front axle up to contact and secure with counternut (2). | Only on model 930.3, 932.3, 933.3, 942.3, 943.3, 950.3, 952.3, 953.3, 957.3 | |
Jam nut to stop screw for steering stop | |||
13 | Move front wheels to straight-ahead position. | ||
14 | Check hydraulic steering limiter, adjust if necessary. | If the steering stop was readjusted. | |
Model 970, 972, 974, 975, 976 with steering gear 765.861; model 950.0/1/2, 952.0/1/2, 953.1, 954.0/1/2, 957 with steering gear 765.889 | |||
Model 374, 375, 930, 932, 933, 934, 940, 942, 943, 944, 950, 952, 953, 954, 957, 958.4 with steering gear 765.82; model 375.1, 970, 972, 974, 975, 976 with steering gear 765.83; model 375.1, 970, 972, 974, 975, 976 with steering gear 765.84; model 957 with steering gear 765.896 | |||
Model 375.3, 930, 932, 933, 934, 940, 942, 943, 944, 950.5/6, 952.5/6, 953.6, 954.5 with steering HEMA HD900, model 375.3/4, 930, 932, 933, 934, 940, 942, 943, 944, 950.5/6, 952.5/6, 953.6, 954.5 with steering RB8098, model 375.3/4, 930, 932, 933, 934, 940, 942, 943, 944, 950.5/6, 952.5/6, 953.6, 954.5 with steering ZF8098 | |||
Model 930.3, 932.3, 933.3, 942.3, 943.3, 950.3, 952.3, 953.3 with steering gear 765.887 or HEMA dual-circuit power steering | |||
Model 970, 972, 974, 975, 976 with steering ZF8097 | |||
Model 967 with code C6A (ZF 8090 steering), code C6B (ZF 8095 steering) or code C6D (ZF 8098 steering) |
Check values for steering stop |
Number | Designation | Front axle 730.0 in model 375, 970, 972, 974, 975, 976 with code ZC6 | Front axle 730.0 in model 375, 970, 972, 974, 975, 976 without code ZC6 | |||
BE33.25-N-1001-04A | Steering angle of inner wheel | 2/3-axle vehicles | Steel suspension | ° | 48 (0,5) | 52 (0,5) |
Air suspension | ° | 48 (0,5) | 52 (0,5) | |||
4-axle vehicles | 1st front axle | ° | - | - | ||
2nd front axle | ° | - | - |
Check values for steering stop |
Number | Designation | Front axle 730.0 in model 967 | Front axle 730.7 in model 967, 970, 972, 975, 976 | |||
BE33.25-N-1001-04A | Steering angle of inner wheel | 2/3-axle vehicles | Steel suspension | ° | 52 (0,5) | 52 (0,5) |
Air suspension | ° | 52 (0,5) | 52 (0,5) | |||
4-axle vehicles | 1st front axle | ° | - | - | ||
2nd front axle | ° | - | - |
Check values for steering stop |
Number | Designation | Front axle 739.4 in model 930, 932, 933, 934, 942, 943, 950, 952, 953, 954, 958 | Front axle 739.5 in model 957 | |||
BE33.25-N-1001-04A | Steering angle of inner wheel | 2/3-axle vehicles | Steel suspension | ° | 48 (0,5) | 48 (0,5) |
Air suspension | ° | 46 (0,5) | 46 (0,5) | |||
4-axle vehicles | 1st front axle | ° | 46 (0,5) | 46 (0,5) | ||
2nd front axle | ° | - | - |
Check values for steering stop |
Number | Designation | Front axle 739.5 in model 374, 375, 930, 932, 933, 934, 940, 942, 943, 944, 950, 952, 953, 954 without code ZC0, ZC2 | Front axle 739.5 in model 374, 375, 930, 932, 933, 934, 940, 942, 943, 944, 950, 952, 953, 954 with code ZC0, ZC2 | |||
BE33.25-N-1001-04A | Steering angle of inner wheel | 2/3-axle vehicles | Steel suspension | ° | 48 (0,5) | 46 (0,5) |
Air suspension | ° | 46 (0,5) | 46 (0,5) | |||
4-axle vehicles | 1st front axle | ° | 46 (0,5) | 46 (0,5) | ||
2nd front axle | ° | - | - |
Check values for steering stop |
Number | Designation | Front axle 739.5 in model 374, 375, 930, 932, 933, 934, 940, 942, 943, 944, 950, 952, 953, 954 without code ZC0, ZC2 | Front axle 739.5 in model 374, 375, 930, 932, 933, 934, 940, 942, 943, 944, 950, 952, 953, 954 with code ZC0, ZC2 | |
BE33.25-N-1002-04A | Distance, drag link to tire | mm | 20 | 20 |
Check values for steering stop |
Number | Designation | Front axle 739.5 in model 374, 375, 930, 932, 933, 934, 940, 942, 943, 944, 950, 952, 953, 954 without code ZC0, ZC2 | Front axle 739.5 in model 374, 375, 930, 932, 933, 934, 940, 942, 943, 944, 950, 952, 953, 954 with code ZC0, ZC2 | |
BE33.25-N-1003-04A | Distance, front spring to tire | mm | 20 | 20 |
Axle housing, steering knuckle |
Number | Designation | Front axle 730.024/025 in model 375, 970, 972, 974, 975, 976 | Front axle 730.026/027/028 in model 375, 970, 972, 974, 975, 976; front axle 730.7 in model 970, 972, 975, 976 | ||
BA33.25-N-1004-01A | Jam nut to stop screw for steering stop | M10 | Nm | 60 | 60 |
M12x1.5 | Nm | 95 | 95 | ||
M14x1.5 | Nm | 115 | 115 | ||
M16x1.5 | Nm | 120 | 120 |
Axle housing, steering knuckle |
Number | Designation | Front axle 739.4 in model 930, 932, 933, 934, 942, 943, 950, 952, 953, 954, 958; front axle 739.5 in model 374, 375, 930, 932, 933, 934, 940, 942, 943, 944, 950, 952, 953, 954, 957 | ||
BA33.25-N-1004-01A | Jam nut to stop screw for steering stop | M10 | Nm | 60 |
M12x1.5 | Nm | 95 | ||
M14x1.5 | Nm | 115 | ||
M16x1.5 | Nm | 120 |