SM42.20-L-0003A | Switching front and rear compressor cover | 2.2.99 |
MODEL 668.###, 670.### ## up to 081120 up to 30.11.98
except CODE (B16) Dual-circuit hydraulic/dual-circuit compressed-air brake
except CODE (B19) Boosted dual-circuit hydraulic/dual-circuit compressed-air brake
N42.20-2038-01
Figure 1
A 9 mm hole
N42.20-2039-02
Figure 2
Front of compressor
Figure 3
B Compressor outlet
C Intake pipe
2 washers each
N42.20-2040-02
Operation no. of operation texts or standard texts and flat rates
Division | Op. no. | Operation text |
N | 023715 | PROCESSING AIR COMPRESSOR (ELECTRIC) AS PER INSTRUCTIONS 10 work units/0.8 h |
1 | Unscrew plastic cover at the front and back | If there is corrosion in the crankcase | |
Replace compressor | |||
Place two washers between the contact surface of the housing and the intake tube to prevent deformation (figure 3) | |||
3 | Attach exchanged plastic cover again | Screw on intake tube (C) at the back viewed in direction of travel (figure 3) The intake air is now routed past the 9 mm hole (A) in the electric motor to prevent condensate water formation (figure 1). | |
4 | Replace old intake pipe by shortened pipeline (adapter) | Between the intake pipe on the cross member and compressor inlet | |
A drain hole should not be made in the new version of this compressor |
Parts ordering note
Part no. | Designation | Quantity |
N 000 125 005 328 | Washers | As required |
A 668 528 23 82 | Shortened pipe (adapter) | 1 |