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Tightening instructions for adjustable pivot bolt

Attention:

•  Tighten only within the specified ride height 

range!

•  No paint residues between eccentric/thrust 

washer and hanger!

•  Bolt head always on the eccentric washer side 

and to the outside of the trailer

Pretightening: 400 Nm 
Use Torque wrench

Angle tightening: 120°
Use impact wrench or extend lever to 2.5m

Tightening torques SAF INTRA with steel 
hanger bracket

NOT MAINTENANCE-FREE!

• 

Pivot Bolt and Nut to be used only once

• 

Threads not to be oiled or greased!

• 

Shock absorber nuts to be used only once

• 

Service intervals for aluminum hanger brackets and 

stainless steel hanger brackets: first check after 500km, 

further check after every 6 months.

• 

Service Intervals for Steel Hanger Brackets:   
- First check after 5000kms 
- Further checks every 12 months

• 

Pivot bolt:  

 

Inspection torque 1,200 Nm 

Shock absorber bolt:   Inspection torque 600 Nm

Tightening torques for SAF air suspension systems

M12 (SW19) 

40 Nm

M16 (SW24)

180 Nm for steel plunger piston 

80 Nm for plastic plunger piston

M30 (SW46) 

400Nm+120

o

Tightening torques SAF INTRA with 

aluminum

 

hanger bracket and 

stainless steel

 hanger bracket

M20x1,5 (SW30) 

400 Nm

M30 (SW46) 

400 Nm + 120

o

M20x1,5 (SW30) 

600 Nm

M12 (SW19) 

40 Nm

M16 (SW24)

180 Nm for steel plunger piston 

80 Nm for plastic plunger piston

M20x1,5 (SW30) 

600 Nm

Attention!

•  Check torque settings after the first 5000kms 

for steel hangers

•  For aluminum and stainless steel hangers check 

the torque settings after 500KMS

•  Do not reuse pivot bolt and nut
•  Do not oil or grease threads

Page 6 of 6

Visual inspection

Marking for angle tightening

Summary of Contents for 3 434 3317 00

Page 1: ... relevant operating instructions and the associated repair and maintenance manual observing the indicated safety instructions 1 Place wheel cocks in front of and behind the trailer wheels to prevent the trailer from rolling WARNING Failure to use wheel chocks might allow the vehicle to roll which could result in death or serious injury 2 Bleed all air from the air suspension system 3 Suitably supp...

Page 2: ...ntering ring faces toward the cover plate The centering ring Fig 3 of the receiver tube is used to center the receiver tube on the trailing arm receptacle When the removal tool is used the centering ring must always face toward the trailing arm receptacle Fig 3 Receiver tube with centering ring Centering Ring REMOVAL Fig 1 Identification of removal tool components Preparing the Pivot Bush Replacem...

Page 3: ...ing will reduce vehicle stability which could result in death or serious injury 3 Lubricate the Drive nut 6 and the threads on the threaded rod 4 Use standard grease 4 Insert the threaded rod end 4 of the correctly pre assembled removal tool through the hole in the pivot bushing until the centering ring of the receiver tube 5 fits the bushing receptacle Screw the drive nut 6 onto the threaded rod ...

Page 4: ...he bushing position locator of the replacement bushing must be aligned with the line on the outside of the receiver tube The orientation index marked Top must face upward as illustrated in Fig 10 If need be readjust the pivot bushing 5 Push the pivot bushing and the drive disc 6 completely into the receiver tube as shown in Fig 11 Fig 8 Lubricated receptacle Fig 9 Lubricated pivot bushing Fig 10 C...

Page 5: ... opposite axle side as described earlier and install a replacement pivot bushing as outlined 8 Operate the Hydraulic pump until the drive nut 6 and the pivot bushing are completely drawn into the receptacle 5 and the receiver tube becomes loose and can be removed Fig 13 Fig 14 Checking spring center Fig 15 Checking installation position FINAL STEPS Upon replacement of the pivot bushing perform the...

Page 6: ...onths Service Intervals for Steel Hanger Brackets First check after 5000kms Further checks every 12 months Pivot bolt Inspection torque 1 200 Nm Shock absorber bolt Inspection torque 600 Nm Tightening torques for SAF air suspension systems M12 SW19 40 Nm M16 SW24 180 Nm for steel plunger piston 80 Nm for plastic plunger piston M30 SW46 400Nm 120o Tightening torques SAF INTRA with aluminum hanger b...

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