Pump and drive motor
Check commutator for damage and wear; blast dust with air
Access to brushes
Refit the hydraulic unit as described in CHAPTER 2.
Check gear oil level, replenish if necessary
You require approx. 0.7 litres of gear oil (see LUBRICANT TABLE IN CHAPTER 1 to make a selection which is appropriate to your conditions of use).
Installing the drive unit
Check brake lining and contact surfaces for wear, replace parts if necessary
The item numbers in brackets refer to Figure M1441 on the next page.
CAUTION : Do not allow the striking surfaces to come into contact with grease or oil.