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Prior to removing the pivot bushing, assemble the removal 

tool correctly.

For this purpose, assemble the components as shown in 
figure 2, Screw the Ram (3), Ram Adapter (8), Ram Extension 
(9) and Threaded Rod (4) together in that order, attach 
the Cover Plate (7) over the Ram Extension, then slide the 
Receiver Tube over (5) the Threaded Rod.

Fig. 2 - Assembled Removal Tool

! IMPORTANT

When assembling the removal tool, always make sure that 
the receiver tube end (5) with out a centering 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 
Replacement Tool

The pivot bushing removal tool (here after 

abbreviated to removal tool) consists of:

(1) 

Enerpac hydraulic actuator

(2) 

Hydraulic connecting hose

(3) 

Hydraulic ram

(4) 

Threaded rod

(5) 

Receiver tube

(6) 

Drive nut

(7) 

Cover plate

(8) 

Ram adapter

(9) 

Ram extension

1

2

3

4

5

6

7

8

9

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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