T-code Valid from serial number
403-414, 669-671, 716-718 713962-
Date Order number
2005-06-01 218920-040
13-  12 Service Manual  REFLEX  RR B/E, RR B/E CC © BT Europe AB
Mechanical drive gear unit – 2550
Repairs
13.5.4 Replacing wheel bolts
The wheel bolts on the transmission are stud bolts. To replace the 
wheel bolts, proceed as follows:
• Pull out the battery's emergency disconnector.
• Remove the bumper by the drive wheel from the chassis.
• Lift the machine using a jack and put it on blocks.
• Dismantle the drive wheel.
• Wheel bolts with damaged threads are removed using the stud bolt tool.
• Broken wheel bolts:
• Method 1: Drill a hole in the centre of the bolt and screw out the bolt 
using a screw extractor for M14 bolts.
• Method 2: If the bolt will not come loose with a screw extractor, the 
bolt must be drilled out.
- Centre punch the centre of the bolt, be precise when centring the 
punch.
- Drill a pilot hole through the bolt using a 5 mm bit. 
Drill out the bolt using an 11.5 mm bit.
- Try to remove the remains of the bolt with pliers or the like. If that 
does not work, remove the remains by clearing the threads with a 
screw tap M14x1.5.
• Apply LOCTITE 270 on the threads of the wheel bolts. 
Mount the new wheel bolt with a stud bolt tool. 
Tightening torque: 80 Nm
• Fit the drive wheel. Tighten the wheel nuts to 130 Nm.
• Remove the blocks and lower the truck.
• Fit the bumper.
• Connect the emergency battery disconnector.
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