Ammann ARR 1575 - Checking Damage; Preventing Oil Shock

320 ARR1575
557D135
557D136
F21
557D137
18 Troubleshooting
18.3.1 Checking damage
Open both bonnets.
Disconnect the grounding cable (–).
Disconnect the battery.
Check the machine for visible defects,
especially for leaked liquids.
If necessary, drain defective tanks.
18.3.2 Preventing oil shock
Before removing parts, thoroughly clean the area of
valve caps, cylinder heads and electrical sheet.
If no visible damages can be detected or if they were already
removed, perform the following:
Removal of parts
Remove the F21 fuse in the engine compartment.
Engine compartment fuses
Remove the air lter element (Chapter 15.4.7).
If it is oily, replace it.
Clean the air lter housing.