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4.8.9 Recovery pump2 gear replacement 
 
1 Turn off the power supply. 
 
2 Referring to “4.8.6 Recovery pump2 drive unit replacement procedure”  and  remove  the 
drive unit. 
 [Caution] 
 When  the  drive  unit  is  removed,  the  spring  on  the  pump  head  is  freed  causing  the 
internal parts (diaphragms) elongated. 
 To avoid this, put the drive unit back to its place approximately within 60 minutes. 
     
3 Remove the fixing screws (2 positions) and take out the pump cover. 
 
 
 
 
 
 
 
 
 
 
 
 
 
4 Referring to “4.8.8 Recovery pump2 motor replacement procedure”, remove the motor. 
 
5 Hold the D-cut of the drive shaft by spanner and remove the hex head bolt near the gear.